/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-01 19:50:38,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-01 19:50:38,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-01 19:50:38,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-01 19:50:38,687 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-06-01 19:50:38,718 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-01 19:50:38,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-01 19:50:38,718 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-01 19:50:38,718 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-01 19:50:38,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-01 19:50:38,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-01 19:50:38,720 INFO L138 SettingsManager]: * Use SBE=true [2021-06-01 19:50:38,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-01 19:50:38,720 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-01 19:50:38,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-01 19:50:38,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-01 19:50:38,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-01 19:50:38,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-01 19:50:38,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-01 19:50:38,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-01 19:50:38,721 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-01 19:50:38,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-01 19:50:38,721 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-01 19:50:38,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-01 19:50:38,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-01 19:50:38,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-01 19:50:38,722 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-01 19:50:38,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-01 19:50:38,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-01 19:50:38,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-01 19:50:38,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-01 19:50:38,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-01 19:50:38,722 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-01 19:50:38,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-01 19:50:38,722 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-01 19:50:38,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-01 19:50:38,723 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-01 19:50:39,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-01 19:50:39,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-01 19:50:39,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-01 19:50:39,069 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-01 19:50:39,070 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-01 19:50:39,071 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl [2021-06-01 19:50:39,083 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl' [2021-06-01 19:50:39,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-01 19:50:39,129 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-01 19:50:39,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-01 19:50:39,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-01 19:50:39,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-01 19:50:39,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.06 07:50:39" (1/1) ... [2021-06-01 19:50:39,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.06 07:50:39" (1/1) ... [2021-06-01 19:50:39,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-01 19:50:39,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-01 19:50:39,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-01 19:50:39,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-01 19:50:39,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.06 07:50:39" (1/1) ... [2021-06-01 19:50:39,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.06 07:50:39" (1/1) ... [2021-06-01 19:50:39,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.06 07:50:39" (1/1) ... [2021-06-01 19:50:39,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.06 07:50:39" (1/1) ... [2021-06-01 19:50:39,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.06 07:50:39" (1/1) ... [2021-06-01 19:50:39,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.06 07:50:39" (1/1) ... [2021-06-01 19:50:39,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.06 07:50:39" (1/1) ... [2021-06-01 19:50:39,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-01 19:50:39,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-01 19:50:39,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-01 19:50:39,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-01 19:50:39,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.06 07:50:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-01 19:50:39,257 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-01 19:50:39,257 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-01 19:50:39,257 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-01 19:50:39,258 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-01 19:50:39,258 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-01 19:50:39,258 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-01 19:50:39,258 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-01 19:50:39,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-01 19:50:39,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-01 19:50:39,259 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-01 19:50:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-01 19:50:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-01 19:50:39,260 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-01 19:50:39,445 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-01 19:50:39,445 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-01 19:50:39,447 INFO L202 PluginConnector]: Adding new model three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 07:50:39 BoogieIcfgContainer [2021-06-01 19:50:39,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-01 19:50:39,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-01 19:50:39,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-01 19:50:39,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-01 19:50:39,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.06 07:50:39" (1/2) ... [2021-06-01 19:50:39,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b080cc9 and model type three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 07:50:39, skipping insertion in model container [2021-06-01 19:50:39,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 07:50:39" (2/2) ... [2021-06-01 19:50:39,453 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-min.wvr.bpl [2021-06-01 19:50:39,458 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-01 19:50:39,458 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-01 19:50:39,458 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-01 19:50:39,459 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-01 19:50:39,519 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-01 19:50:39,539 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-01 19:50:39,555 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-01 19:50:39,555 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-01 19:50:39,555 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-01 19:50:39,555 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-01 19:50:39,555 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-01 19:50:39,555 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-01 19:50:39,555 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-01 19:50:39,555 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-01 19:50:39,591 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 32 transitions, 88 flow [2021-06-01 19:50:39,620 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 136 states, 134 states have (on average 2.970149253731343) internal successors, (398), 135 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:39,624 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 134 states have (on average 2.970149253731343) internal successors, (398), 135 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:39,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-06-01 19:50:39,637 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:50:39,638 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:50:39,638 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:50:39,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:50:39,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1734431870, now seen corresponding path program 1 times [2021-06-01 19:50:39,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:50:39,656 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420399926] [2021-06-01 19:50:39,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:50:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:50:39,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:50:39,890 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:50:39,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420399926] [2021-06-01 19:50:39,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420399926] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 19:50:39,891 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 19:50:39,891 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-01 19:50:39,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354714256] [2021-06-01 19:50:39,894 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-01 19:50:39,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:50:39,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-01 19:50:39,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-01 19:50:39,911 INFO L87 Difference]: Start difference. First operand has 136 states, 134 states have (on average 2.970149253731343) internal successors, (398), 135 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:40,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:50:40,019 INFO L93 Difference]: Finished difference Result 474 states and 1450 transitions. [2021-06-01 19:50:40,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 19:50:40,021 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-06-01 19:50:40,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:50:40,041 INFO L225 Difference]: With dead ends: 474 [2021-06-01 19:50:40,042 INFO L226 Difference]: Without dead ends: 388 [2021-06-01 19:50:40,044 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 65.7ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-06-01 19:50:40,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2021-06-01 19:50:40,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 176. [2021-06-01 19:50:40,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 175 states have (on average 3.0914285714285716) internal successors, (541), 175 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:40,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 541 transitions. [2021-06-01 19:50:40,122 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 541 transitions. Word has length 19 [2021-06-01 19:50:40,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:50:40,123 INFO L482 AbstractCegarLoop]: Abstraction has 176 states and 541 transitions. [2021-06-01 19:50:40,123 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:40,123 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 541 transitions. [2021-06-01 19:50:40,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-06-01 19:50:40,125 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:50:40,125 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:50:40,126 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-01 19:50:40,126 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:50:40,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:50:40,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1465060434, now seen corresponding path program 1 times [2021-06-01 19:50:40,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:50:40,127 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153203370] [2021-06-01 19:50:40,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:50:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:50:40,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:50:40,203 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:50:40,203 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153203370] [2021-06-01 19:50:40,203 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153203370] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 19:50:40,204 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 19:50:40,204 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-01 19:50:40,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199168909] [2021-06-01 19:50:40,206 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-01 19:50:40,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:50:40,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-01 19:50:40,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-01 19:50:40,211 INFO L87 Difference]: Start difference. First operand 176 states and 541 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:40,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:50:40,287 INFO L93 Difference]: Finished difference Result 346 states and 1050 transitions. [2021-06-01 19:50:40,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-01 19:50:40,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-06-01 19:50:40,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:50:40,292 INFO L225 Difference]: With dead ends: 346 [2021-06-01 19:50:40,292 INFO L226 Difference]: Without dead ends: 323 [2021-06-01 19:50:40,293 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-01 19:50:40,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2021-06-01 19:50:40,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 253. [2021-06-01 19:50:40,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 252 states have (on average 3.142857142857143) internal successors, (792), 252 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:40,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 792 transitions. [2021-06-01 19:50:40,320 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 792 transitions. Word has length 22 [2021-06-01 19:50:40,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:50:40,320 INFO L482 AbstractCegarLoop]: Abstraction has 253 states and 792 transitions. [2021-06-01 19:50:40,320 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:40,320 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 792 transitions. [2021-06-01 19:50:40,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-06-01 19:50:40,327 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:50:40,328 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:50:40,328 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-01 19:50:40,328 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:50:40,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:50:40,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1960572944, now seen corresponding path program 2 times [2021-06-01 19:50:40,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:50:40,330 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536657015] [2021-06-01 19:50:40,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:50:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:50:40,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:50:40,385 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:50:40,385 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536657015] [2021-06-01 19:50:40,386 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536657015] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 19:50:40,386 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 19:50:40,387 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-01 19:50:40,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687338536] [2021-06-01 19:50:40,387 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-01 19:50:40,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:50:40,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-01 19:50:40,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-01 19:50:40,391 INFO L87 Difference]: Start difference. First operand 253 states and 792 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:40,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:50:40,461 INFO L93 Difference]: Finished difference Result 495 states and 1542 transitions. [2021-06-01 19:50:40,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-01 19:50:40,462 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-06-01 19:50:40,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:50:40,466 INFO L225 Difference]: With dead ends: 495 [2021-06-01 19:50:40,469 INFO L226 Difference]: Without dead ends: 472 [2021-06-01 19:50:40,470 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-01 19:50:40,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2021-06-01 19:50:40,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 304. [2021-06-01 19:50:40,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 303 states have (on average 3.283828382838284) internal successors, (995), 303 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:40,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 995 transitions. [2021-06-01 19:50:40,493 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 995 transitions. Word has length 22 [2021-06-01 19:50:40,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:50:40,494 INFO L482 AbstractCegarLoop]: Abstraction has 304 states and 995 transitions. [2021-06-01 19:50:40,494 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:40,495 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 995 transitions. [2021-06-01 19:50:40,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-06-01 19:50:40,496 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:50:40,496 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:50:40,496 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-01 19:50:40,496 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:50:40,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:50:40,497 INFO L82 PathProgramCache]: Analyzing trace with hash -515537296, now seen corresponding path program 3 times [2021-06-01 19:50:40,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:50:40,497 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862792883] [2021-06-01 19:50:40,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:50:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:50:40,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:50:40,545 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:50:40,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862792883] [2021-06-01 19:50:40,545 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862792883] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 19:50:40,546 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 19:50:40,546 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-01 19:50:40,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715033819] [2021-06-01 19:50:40,547 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-01 19:50:40,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:50:40,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-01 19:50:40,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-01 19:50:40,548 INFO L87 Difference]: Start difference. First operand 304 states and 995 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:40,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:50:40,601 INFO L93 Difference]: Finished difference Result 348 states and 1103 transitions. [2021-06-01 19:50:40,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-01 19:50:40,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-06-01 19:50:40,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:50:40,604 INFO L225 Difference]: With dead ends: 348 [2021-06-01 19:50:40,604 INFO L226 Difference]: Without dead ends: 348 [2021-06-01 19:50:40,605 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-01 19:50:40,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2021-06-01 19:50:40,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 296. [2021-06-01 19:50:40,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 295 states have (on average 3.169491525423729) internal successors, (935), 295 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:40,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 935 transitions. [2021-06-01 19:50:40,615 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 935 transitions. Word has length 22 [2021-06-01 19:50:40,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:50:40,616 INFO L482 AbstractCegarLoop]: Abstraction has 296 states and 935 transitions. [2021-06-01 19:50:40,616 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:40,616 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 935 transitions. [2021-06-01 19:50:40,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-01 19:50:40,617 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:50:40,618 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:50:40,618 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-01 19:50:40,618 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:50:40,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:50:40,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1889068504, now seen corresponding path program 1 times [2021-06-01 19:50:40,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:50:40,619 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328421875] [2021-06-01 19:50:40,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:50:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:50:40,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-01 19:50:40,681 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:50:40,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328421875] [2021-06-01 19:50:40,681 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328421875] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 19:50:40,681 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 19:50:40,681 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-01 19:50:40,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426242011] [2021-06-01 19:50:40,682 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-01 19:50:40,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:50:40,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-01 19:50:40,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-01 19:50:40,683 INFO L87 Difference]: Start difference. First operand 296 states and 935 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:40,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:50:40,734 INFO L93 Difference]: Finished difference Result 309 states and 971 transitions. [2021-06-01 19:50:40,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-01 19:50:40,735 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-01 19:50:40,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:50:40,737 INFO L225 Difference]: With dead ends: 309 [2021-06-01 19:50:40,737 INFO L226 Difference]: Without dead ends: 309 [2021-06-01 19:50:40,737 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-01 19:50:40,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-06-01 19:50:40,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 256. [2021-06-01 19:50:40,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 3.1372549019607843) internal successors, (800), 255 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:40,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 800 transitions. [2021-06-01 19:50:40,748 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 800 transitions. Word has length 24 [2021-06-01 19:50:40,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:50:40,749 INFO L482 AbstractCegarLoop]: Abstraction has 256 states and 800 transitions. [2021-06-01 19:50:40,749 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:40,749 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 800 transitions. [2021-06-01 19:50:40,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-01 19:50:40,750 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:50:40,751 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:50:40,751 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-01 19:50:40,751 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:50:40,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:50:40,751 INFO L82 PathProgramCache]: Analyzing trace with hash 55067308, now seen corresponding path program 1 times [2021-06-01 19:50:40,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:50:40,755 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149606545] [2021-06-01 19:50:40,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:50:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:50:41,253 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:50:41,254 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:50:41,254 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149606545] [2021-06-01 19:50:41,254 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149606545] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:50:41,254 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290216231] [2021-06-01 19:50:41,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:50:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:50:41,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-01 19:50:41,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:50:41,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2021-06-01 19:50:41,718 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:50:41,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2021-06-01 19:50:41,737 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:50:41,744 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 24 [2021-06-01 19:50:41,750 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:50:41,760 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 34 treesize of output 24 [2021-06-01 19:50:41,767 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:50:41,830 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:41,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-01 19:50:41,849 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:50:41,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2021-06-01 19:50:41,871 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:50:41,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2021-06-01 19:50:41,887 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:50:41,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-01 19:50:41,901 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:50:41,943 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:41,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-06-01 19:50:41,953 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:41,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-06-01 19:50:41,963 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:41,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-06-01 19:50:41,971 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:41,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-06-01 19:50:41,981 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:42,017 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:42,028 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-01 19:50:42,028 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 3 variables, input treesize:197, output treesize:57 [2021-06-01 19:50:42,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-06-01 19:50:42,141 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:42,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-01 19:50:42,147 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:42,153 INFO L628 ElimStorePlain]: treesize reduction 19, result has 20.8 percent of original size [2021-06-01 19:50:42,153 INFO L518 ElimStorePlain]: Eliminatee v_prenex_1 vanished before elimination [2021-06-01 19:50:42,153 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:50:42,154 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:40, output treesize:5 [2021-06-01 19:50:42,165 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:50:42,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290216231] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:50:42,165 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:50:42,166 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-06-01 19:50:42,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659555265] [2021-06-01 19:50:42,166 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-01 19:50:42,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:50:42,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-01 19:50:42,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2021-06-01 19:50:42,168 INFO L87 Difference]: Start difference. First operand 256 states and 800 transitions. Second operand has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 14 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:42,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:50:42,425 INFO L93 Difference]: Finished difference Result 525 states and 1652 transitions. [2021-06-01 19:50:42,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-01 19:50:42,426 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 14 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-06-01 19:50:42,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:50:42,445 INFO L225 Difference]: With dead ends: 525 [2021-06-01 19:50:42,445 INFO L226 Difference]: Without dead ends: 482 [2021-06-01 19:50:42,445 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 372.1ms TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2021-06-01 19:50:42,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2021-06-01 19:50:42,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 373. [2021-06-01 19:50:42,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 372 states have (on average 3.161290322580645) internal successors, (1176), 372 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:42,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 1176 transitions. [2021-06-01 19:50:42,457 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 1176 transitions. Word has length 26 [2021-06-01 19:50:42,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:50:42,457 INFO L482 AbstractCegarLoop]: Abstraction has 373 states and 1176 transitions. [2021-06-01 19:50:42,457 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 14 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:42,457 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 1176 transitions. [2021-06-01 19:50:42,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-01 19:50:42,459 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:50:42,459 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:50:42,682 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-01 19:50:42,683 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:50:42,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:50:42,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1009368434, now seen corresponding path program 2 times [2021-06-01 19:50:42,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:50:42,684 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200280662] [2021-06-01 19:50:42,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:50:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:50:42,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-01 19:50:42,710 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:50:42,710 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200280662] [2021-06-01 19:50:42,710 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200280662] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 19:50:42,710 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 19:50:42,710 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-01 19:50:42,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555365441] [2021-06-01 19:50:42,710 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-01 19:50:42,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:50:42,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-01 19:50:42,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-01 19:50:42,711 INFO L87 Difference]: Start difference. First operand 373 states and 1176 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:42,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:50:42,736 INFO L93 Difference]: Finished difference Result 524 states and 1595 transitions. [2021-06-01 19:50:42,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 19:50:42,737 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-06-01 19:50:42,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:50:42,739 INFO L225 Difference]: With dead ends: 524 [2021-06-01 19:50:42,739 INFO L226 Difference]: Without dead ends: 476 [2021-06-01 19:50:42,739 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-01 19:50:42,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2021-06-01 19:50:42,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 403. [2021-06-01 19:50:42,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 402 states have (on average 3.0970149253731343) internal successors, (1245), 402 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:42,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 1245 transitions. [2021-06-01 19:50:42,750 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 1245 transitions. Word has length 26 [2021-06-01 19:50:42,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:50:42,751 INFO L482 AbstractCegarLoop]: Abstraction has 403 states and 1245 transitions. [2021-06-01 19:50:42,752 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:42,752 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 1245 transitions. [2021-06-01 19:50:42,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-01 19:50:42,755 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:50:42,755 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:50:42,755 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-01 19:50:42,755 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:50:42,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:50:42,756 INFO L82 PathProgramCache]: Analyzing trace with hash -294633458, now seen corresponding path program 3 times [2021-06-01 19:50:42,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:50:42,756 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797718315] [2021-06-01 19:50:42,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:50:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:50:42,995 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:50:42,995 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:50:42,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797718315] [2021-06-01 19:50:42,995 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797718315] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:50:42,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160883572] [2021-06-01 19:50:42,995 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:50:43,034 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-01 19:50:43,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:50:43,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-01 19:50:43,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:50:43,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:50:43,140 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:43,151 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:43,152 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:50:43,152 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:37 [2021-06-01 19:50:43,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-06-01 19:50:43,261 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:43,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-06-01 19:50:43,269 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:43,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-06-01 19:50:43,275 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:43,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-06-01 19:50:43,280 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:43,321 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:43,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2021-06-01 19:50:43,329 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:43,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2021-06-01 19:50:43,336 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:43,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2021-06-01 19:50:43,344 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:43,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2021-06-01 19:50:43,351 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:43,375 INFO L628 ElimStorePlain]: treesize reduction 16, result has 67.3 percent of original size [2021-06-01 19:50:43,376 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-01 19:50:43,376 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:193, output treesize:33 [2021-06-01 19:50:43,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-06-01 19:50:43,449 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:43,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-01 19:50:43,454 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:43,460 INFO L628 ElimStorePlain]: treesize reduction 19, result has 20.8 percent of original size [2021-06-01 19:50:43,460 INFO L518 ElimStorePlain]: Eliminatee v_prenex_2 vanished before elimination [2021-06-01 19:50:43,461 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:50:43,463 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:40, output treesize:5 [2021-06-01 19:50:43,470 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:50:43,471 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160883572] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:50:43,471 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:50:43,471 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 16 [2021-06-01 19:50:43,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520294053] [2021-06-01 19:50:43,471 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-01 19:50:43,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:50:43,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-01 19:50:43,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-06-01 19:50:43,472 INFO L87 Difference]: Start difference. First operand 403 states and 1245 transitions. Second operand has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:43,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:50:43,774 INFO L93 Difference]: Finished difference Result 886 states and 2671 transitions. [2021-06-01 19:50:43,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-01 19:50:43,775 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-06-01 19:50:43,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:50:43,779 INFO L225 Difference]: With dead ends: 886 [2021-06-01 19:50:43,779 INFO L226 Difference]: Without dead ends: 768 [2021-06-01 19:50:43,779 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 392.6ms TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2021-06-01 19:50:43,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2021-06-01 19:50:43,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 427. [2021-06-01 19:50:43,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 426 states have (on average 3.096244131455399) internal successors, (1319), 426 states have internal predecessors, (1319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:43,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 1319 transitions. [2021-06-01 19:50:43,809 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 1319 transitions. Word has length 26 [2021-06-01 19:50:43,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:50:43,809 INFO L482 AbstractCegarLoop]: Abstraction has 427 states and 1319 transitions. [2021-06-01 19:50:43,809 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:43,809 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1319 transitions. [2021-06-01 19:50:43,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-01 19:50:43,811 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:50:43,811 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:50:44,024 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:50:44,025 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:50:44,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:50:44,026 INFO L82 PathProgramCache]: Analyzing trace with hash 108055770, now seen corresponding path program 4 times [2021-06-01 19:50:44,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:50:44,026 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536185277] [2021-06-01 19:50:44,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:50:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:50:44,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:50:44,246 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:50:44,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536185277] [2021-06-01 19:50:44,246 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536185277] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:50:44,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072072031] [2021-06-01 19:50:44,246 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:50:44,290 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-01 19:50:44,290 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:50:44,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-01 19:50:44,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:50:44,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:50:44,396 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:44,407 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:44,408 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:50:44,409 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:37 [2021-06-01 19:50:44,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-01 19:50:44,457 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:44,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-06-01 19:50:44,462 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:44,498 INFO L628 ElimStorePlain]: treesize reduction 30, result has 61.0 percent of original size [2021-06-01 19:50:44,499 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-01 19:50:44,499 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:87, output treesize:47 [2021-06-01 19:50:44,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-01 19:50:44,658 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:44,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-01 19:50:44,666 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:44,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-01 19:50:44,674 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:44,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-01 19:50:44,680 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:44,817 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2021-06-01 19:50:44,817 INFO L628 ElimStorePlain]: treesize reduction 40, result has 81.6 percent of original size [2021-06-01 19:50:44,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-01 19:50:44,824 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:44,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-01 19:50:44,829 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:44,852 INFO L628 ElimStorePlain]: treesize reduction 142, result has 3.4 percent of original size [2021-06-01 19:50:44,852 INFO L518 ElimStorePlain]: Eliminatee v_prenex_3 vanished before elimination [2021-06-01 19:50:44,852 INFO L518 ElimStorePlain]: Eliminatee v_prenex_4 vanished before elimination [2021-06-01 19:50:44,853 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:50:44,853 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:273, output treesize:5 [2021-06-01 19:50:44,864 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:50:44,865 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072072031] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:50:44,865 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:50:44,865 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-06-01 19:50:44,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820661841] [2021-06-01 19:50:44,865 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-01 19:50:44,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:50:44,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-01 19:50:44,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-06-01 19:50:44,866 INFO L87 Difference]: Start difference. First operand 427 states and 1319 transitions. Second operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 14 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:44,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:50:44,962 INFO L93 Difference]: Finished difference Result 693 states and 2174 transitions. [2021-06-01 19:50:44,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 19:50:44,962 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 14 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-06-01 19:50:44,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:50:44,965 INFO L225 Difference]: With dead ends: 693 [2021-06-01 19:50:44,966 INFO L226 Difference]: Without dead ends: 604 [2021-06-01 19:50:44,966 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 243.1ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-06-01 19:50:44,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2021-06-01 19:50:44,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 431. [2021-06-01 19:50:44,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 430 states have (on average 3.109302325581395) internal successors, (1337), 430 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:44,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 1337 transitions. [2021-06-01 19:50:44,979 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 1337 transitions. Word has length 26 [2021-06-01 19:50:44,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:50:44,979 INFO L482 AbstractCegarLoop]: Abstraction has 431 states and 1337 transitions. [2021-06-01 19:50:44,979 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 14 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:44,979 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 1337 transitions. [2021-06-01 19:50:44,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-01 19:50:44,981 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:50:44,981 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:50:45,204 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:50:45,205 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:50:45,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:50:45,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1494058166, now seen corresponding path program 5 times [2021-06-01 19:50:45,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:50:45,205 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962786230] [2021-06-01 19:50:45,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:50:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:50:45,236 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-01 19:50:45,236 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:50:45,236 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962786230] [2021-06-01 19:50:45,236 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962786230] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:50:45,236 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171958054] [2021-06-01 19:50:45,236 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:50:45,287 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-01 19:50:45,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:50:45,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-01 19:50:45,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:50:45,337 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-01 19:50:45,337 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171958054] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:50:45,337 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:50:45,337 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-01 19:50:45,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719119631] [2021-06-01 19:50:45,338 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-01 19:50:45,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:50:45,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-01 19:50:45,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-01 19:50:45,338 INFO L87 Difference]: Start difference. First operand 431 states and 1337 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:45,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:50:45,445 INFO L93 Difference]: Finished difference Result 1077 states and 3313 transitions. [2021-06-01 19:50:45,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-01 19:50:45,445 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-01 19:50:45,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:50:45,452 INFO L225 Difference]: With dead ends: 1077 [2021-06-01 19:50:45,452 INFO L226 Difference]: Without dead ends: 1071 [2021-06-01 19:50:45,452 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 34.1ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-06-01 19:50:45,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2021-06-01 19:50:45,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 723. [2021-06-01 19:50:45,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 722 states have (on average 3.3005540166204987) internal successors, (2383), 722 states have internal predecessors, (2383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:45,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 2383 transitions. [2021-06-01 19:50:45,480 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 2383 transitions. Word has length 28 [2021-06-01 19:50:45,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:50:45,480 INFO L482 AbstractCegarLoop]: Abstraction has 723 states and 2383 transitions. [2021-06-01 19:50:45,480 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:45,480 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 2383 transitions. [2021-06-01 19:50:45,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-01 19:50:45,482 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:50:45,482 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:50:45,696 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:50:45,697 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:50:45,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:50:45,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1505385586, now seen corresponding path program 6 times [2021-06-01 19:50:45,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:50:45,698 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435779389] [2021-06-01 19:50:45,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:50:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:50:45,734 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-01 19:50:45,734 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:50:45,734 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435779389] [2021-06-01 19:50:45,734 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435779389] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:50:45,734 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193576584] [2021-06-01 19:50:45,734 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:50:45,787 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-01 19:50:45,788 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:50:45,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-01 19:50:45,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:50:45,856 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:50:45,856 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193576584] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:50:45,856 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:50:45,856 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-06-01 19:50:45,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990458820] [2021-06-01 19:50:45,857 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-01 19:50:45,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:50:45,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-01 19:50:45,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-06-01 19:50:45,857 INFO L87 Difference]: Start difference. First operand 723 states and 2383 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:46,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:50:46,494 INFO L93 Difference]: Finished difference Result 3105 states and 9211 transitions. [2021-06-01 19:50:46,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-01 19:50:46,494 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-01 19:50:46,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:50:46,509 INFO L225 Difference]: With dead ends: 3105 [2021-06-01 19:50:46,509 INFO L226 Difference]: Without dead ends: 2785 [2021-06-01 19:50:46,510 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 454 ImplicationChecksByTransitivity, 340.3ms TimeCoverageRelationStatistics Valid=384, Invalid=1098, Unknown=0, NotChecked=0, Total=1482 [2021-06-01 19:50:46,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2785 states. [2021-06-01 19:50:46,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2785 to 704. [2021-06-01 19:50:46,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 703 states have (on average 3.3357041251778092) internal successors, (2345), 703 states have internal predecessors, (2345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:46,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 2345 transitions. [2021-06-01 19:50:46,547 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 2345 transitions. Word has length 28 [2021-06-01 19:50:46,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:50:46,547 INFO L482 AbstractCegarLoop]: Abstraction has 704 states and 2345 transitions. [2021-06-01 19:50:46,547 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:46,548 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 2345 transitions. [2021-06-01 19:50:46,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-06-01 19:50:46,549 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:50:46,549 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:50:46,772 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:50:46,773 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:50:46,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:50:46,773 INFO L82 PathProgramCache]: Analyzing trace with hash 370873412, now seen corresponding path program 7 times [2021-06-01 19:50:46,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:50:46,773 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934160131] [2021-06-01 19:50:46,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:50:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:50:46,799 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-01 19:50:46,799 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:50:46,799 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934160131] [2021-06-01 19:50:46,799 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934160131] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:50:46,799 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367108791] [2021-06-01 19:50:46,799 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:50:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:50:46,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-01 19:50:46,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:50:46,892 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-01 19:50:46,892 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367108791] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:50:46,892 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:50:46,892 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-01 19:50:46,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538818692] [2021-06-01 19:50:46,893 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-01 19:50:46,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:50:46,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-01 19:50:46,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-01 19:50:46,894 INFO L87 Difference]: Start difference. First operand 704 states and 2345 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:47,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:50:47,252 INFO L93 Difference]: Finished difference Result 4417 states and 14303 transitions. [2021-06-01 19:50:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-01 19:50:47,253 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-06-01 19:50:47,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:50:47,273 INFO L225 Difference]: With dead ends: 4417 [2021-06-01 19:50:47,273 INFO L226 Difference]: Without dead ends: 3838 [2021-06-01 19:50:47,274 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 147.3ms TimeCoverageRelationStatistics Valid=177, Invalid=423, Unknown=0, NotChecked=0, Total=600 [2021-06-01 19:50:47,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3838 states. [2021-06-01 19:50:47,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3838 to 2381. [2021-06-01 19:50:47,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2381 states, 2380 states have (on average 3.5752100840336136) internal successors, (8509), 2380 states have internal predecessors, (8509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:47,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 8509 transitions. [2021-06-01 19:50:47,361 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 8509 transitions. Word has length 29 [2021-06-01 19:50:47,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:50:47,361 INFO L482 AbstractCegarLoop]: Abstraction has 2381 states and 8509 transitions. [2021-06-01 19:50:47,361 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:47,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 8509 transitions. [2021-06-01 19:50:47,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-06-01 19:50:47,369 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:50:47,369 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:50:47,592 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:50:47,592 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:50:47,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:50:47,593 INFO L82 PathProgramCache]: Analyzing trace with hash 483537884, now seen corresponding path program 8 times [2021-06-01 19:50:47,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:50:47,593 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970241444] [2021-06-01 19:50:47,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:50:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:50:47,632 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:50:47,632 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:50:47,632 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970241444] [2021-06-01 19:50:47,632 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970241444] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:50:47,632 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462825199] [2021-06-01 19:50:47,632 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:50:47,680 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-01 19:50:47,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:50:47,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-01 19:50:47,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:50:47,747 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:50:47,747 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462825199] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:50:47,747 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:50:47,747 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-06-01 19:50:47,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874468529] [2021-06-01 19:50:47,748 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-01 19:50:47,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:50:47,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-01 19:50:47,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-01 19:50:47,749 INFO L87 Difference]: Start difference. First operand 2381 states and 8509 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:48,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:50:48,058 INFO L93 Difference]: Finished difference Result 2863 states and 9841 transitions. [2021-06-01 19:50:48,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-01 19:50:48,058 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-06-01 19:50:48,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:50:48,074 INFO L225 Difference]: With dead ends: 2863 [2021-06-01 19:50:48,074 INFO L226 Difference]: Without dead ends: 2835 [2021-06-01 19:50:48,074 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 180.2ms TimeCoverageRelationStatistics Valid=188, Invalid=462, Unknown=0, NotChecked=0, Total=650 [2021-06-01 19:50:48,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2835 states. [2021-06-01 19:50:48,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2835 to 2343. [2021-06-01 19:50:48,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2343 states, 2342 states have (on average 3.568317677198975) internal successors, (8357), 2342 states have internal predecessors, (8357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:48,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2343 states to 2343 states and 8357 transitions. [2021-06-01 19:50:48,140 INFO L78 Accepts]: Start accepts. Automaton has 2343 states and 8357 transitions. Word has length 29 [2021-06-01 19:50:48,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:50:48,141 INFO L482 AbstractCegarLoop]: Abstraction has 2343 states and 8357 transitions. [2021-06-01 19:50:48,141 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:48,141 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 8357 transitions. [2021-06-01 19:50:48,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-06-01 19:50:48,146 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:50:48,146 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:50:48,369 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:50:48,369 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:50:48,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:50:48,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1924163208, now seen corresponding path program 9 times [2021-06-01 19:50:48,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:50:48,369 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859031286] [2021-06-01 19:50:48,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:50:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:50:48,397 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-01 19:50:48,398 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:50:48,398 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859031286] [2021-06-01 19:50:48,398 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859031286] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:50:48,398 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49145144] [2021-06-01 19:50:48,398 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:50:48,438 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-01 19:50:48,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:50:48,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-01 19:50:48,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:50:48,509 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-01 19:50:48,510 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49145144] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:50:48,510 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:50:48,510 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-06-01 19:50:48,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132344083] [2021-06-01 19:50:48,510 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-01 19:50:48,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:50:48,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-01 19:50:48,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-06-01 19:50:48,511 INFO L87 Difference]: Start difference. First operand 2343 states and 8357 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:49,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:50:49,093 INFO L93 Difference]: Finished difference Result 5750 states and 19687 transitions. [2021-06-01 19:50:49,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-01 19:50:49,094 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-06-01 19:50:49,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:50:49,126 INFO L225 Difference]: With dead ends: 5750 [2021-06-01 19:50:49,126 INFO L226 Difference]: Without dead ends: 5702 [2021-06-01 19:50:49,127 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 264.5ms TimeCoverageRelationStatistics Valid=281, Invalid=711, Unknown=0, NotChecked=0, Total=992 [2021-06-01 19:50:49,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5702 states. [2021-06-01 19:50:49,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5702 to 4398. [2021-06-01 19:50:49,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4398 states, 4397 states have (on average 3.625881282692745) internal successors, (15943), 4397 states have internal predecessors, (15943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:49,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4398 states to 4398 states and 15943 transitions. [2021-06-01 19:50:49,287 INFO L78 Accepts]: Start accepts. Automaton has 4398 states and 15943 transitions. Word has length 31 [2021-06-01 19:50:49,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:50:49,287 INFO L482 AbstractCegarLoop]: Abstraction has 4398 states and 15943 transitions. [2021-06-01 19:50:49,287 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:50:49,287 INFO L276 IsEmpty]: Start isEmpty. Operand 4398 states and 15943 transitions. [2021-06-01 19:50:49,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-01 19:50:49,299 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:50:49,299 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:50:49,520 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-06-01 19:50:49,521 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:50:49,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:50:49,521 INFO L82 PathProgramCache]: Analyzing trace with hash -62749624, now seen corresponding path program 10 times [2021-06-01 19:50:49,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:50:49,521 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624930809] [2021-06-01 19:50:49,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:50:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:50:50,063 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 57 [2021-06-01 19:50:50,283 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 60 [2021-06-01 19:50:50,494 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:50:50,495 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:50:50,495 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624930809] [2021-06-01 19:50:50,495 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624930809] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:50:50,495 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352834818] [2021-06-01 19:50:50,495 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:50:50,532 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-01 19:50:50,532 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:50:50,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-01 19:50:50,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:50:50,908 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 [2021-06-01 19:50:50,909 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:50,917 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 [2021-06-01 19:50:50,918 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:50,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:50:50,927 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:50,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:50:50,936 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:50,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:50:50,945 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:50,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:50:50,954 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:50,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:50:50,963 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:50,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:50:50,975 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:50,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:50:50,984 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:50,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:50:50,992 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:50,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:50:51,000 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:51,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:50:51,010 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:51,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:50:51,020 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:51,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:50:51,036 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:51,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:50:51,044 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:51,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:50:51,085 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:51,417 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-06-01 19:50:51,417 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:51,430 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 16 xjuncts. [2021-06-01 19:50:51,431 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 1 variables, input treesize:1105, output treesize:1089 [2021-06-01 19:50:51,831 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-06-01 19:50:52,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-01 19:50:52,088 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:52,614 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-06-01 19:50:52,615 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:52,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2021-06-01 19:50:52,642 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:50:53,070 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2021-06-01 19:50:53,070 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:53,095 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 42 treesize of output 30 [2021-06-01 19:50:53,099 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:50:53,533 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2021-06-01 19:50:53,533 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:53,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-01 19:50:53,556 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:53,975 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2021-06-01 19:50:53,975 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:54,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-01 19:50:54,002 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:54,419 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2021-06-01 19:50:54,419 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:54,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2021-06-01 19:50:54,441 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:50:54,831 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2021-06-01 19:50:54,832 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:54,851 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 30 [2021-06-01 19:50:54,854 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:50:55,256 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 366 [2021-06-01 19:50:55,257 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:55,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-01 19:50:55,278 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:55,670 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2021-06-01 19:50:55,670 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:55,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-01 19:50:55,692 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:50:56,079 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 359 [2021-06-01 19:50:56,080 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:56,099 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 33 treesize of output 33 [2021-06-01 19:50:56,100 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:56,480 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2021-06-01 19:50:56,480 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:56,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-01 19:50:56,512 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:50:56,876 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2021-06-01 19:50:56,876 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:56,893 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 51 treesize of output 35 [2021-06-01 19:50:56,895 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:57,259 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2021-06-01 19:50:57,259 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:57,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-01 19:50:57,287 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:50:57,655 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2021-06-01 19:50:57,655 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:57,670 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 57 treesize of output 37 [2021-06-01 19:50:57,673 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:58,023 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2021-06-01 19:50:58,024 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:58,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-01 19:50:58,043 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:58,372 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2021-06-01 19:50:58,373 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:58,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-01 19:50:58,407 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:50:58,729 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2021-06-01 19:50:58,729 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:58,744 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 52 treesize of output 36 [2021-06-01 19:50:58,750 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:50:59,064 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2021-06-01 19:50:59,065 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:59,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-06-01 19:50:59,085 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:59,400 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2021-06-01 19:50:59,401 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:59,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-01 19:50:59,419 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-01 19:50:59,729 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2021-06-01 19:50:59,729 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:50:59,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-06-01 19:50:59,749 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:00,064 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2021-06-01 19:51:00,064 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:00,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2021-06-01 19:51:00,084 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:00,336 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 126 [2021-06-01 19:51:00,336 INFO L628 ElimStorePlain]: treesize reduction 478, result has 44.5 percent of original size [2021-06-01 19:51:00,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2021-06-01 19:51:00,365 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:00,473 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-06-01 19:51:00,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:00,479 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 45 treesize of output 29 [2021-06-01 19:51:00,481 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:00,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:00,571 INFO L518 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2021-06-01 19:51:00,571 INFO L518 ElimStorePlain]: Eliminatee v_prenex_6 vanished before elimination [2021-06-01 19:51:00,572 INFO L518 ElimStorePlain]: Eliminatee v_prenex_7 vanished before elimination [2021-06-01 19:51:00,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-01 19:51:00,580 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:00,668 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:00,674 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 51 treesize of output 33 [2021-06-01 19:51:00,676 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:00,789 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 64 [2021-06-01 19:51:00,789 INFO L628 ElimStorePlain]: treesize reduction 81, result has 71.2 percent of original size [2021-06-01 19:51:00,789 INFO L518 ElimStorePlain]: Eliminatee v_prenex_21 vanished before elimination [2021-06-01 19:51:00,790 INFO L518 ElimStorePlain]: Eliminatee v_prenex_43 vanished before elimination [2021-06-01 19:51:00,790 INFO L518 ElimStorePlain]: Eliminatee v_prenex_20 vanished before elimination [2021-06-01 19:51:00,790 INFO L518 ElimStorePlain]: Eliminatee v_prenex_42 vanished before elimination [2021-06-01 19:51:00,790 INFO L518 ElimStorePlain]: Eliminatee v_prenex_41 vanished before elimination [2021-06-01 19:51:00,790 INFO L518 ElimStorePlain]: Eliminatee v_prenex_40 vanished before elimination [2021-06-01 19:51:00,790 INFO L518 ElimStorePlain]: Eliminatee v_prenex_47 vanished before elimination [2021-06-01 19:51:00,790 INFO L518 ElimStorePlain]: Eliminatee v_prenex_25 vanished before elimination [2021-06-01 19:51:00,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-01 19:51:00,797 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:00,847 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:00,847 INFO L518 ElimStorePlain]: Eliminatee v_prenex_24 vanished before elimination [2021-06-01 19:51:00,852 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 46 treesize of output 30 [2021-06-01 19:51:00,855 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:00,908 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:00,908 INFO L518 ElimStorePlain]: Eliminatee v_prenex_23 vanished before elimination [2021-06-01 19:51:00,908 INFO L518 ElimStorePlain]: Eliminatee v_prenex_22 vanished before elimination [2021-06-01 19:51:00,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-01 19:51:00,924 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:00,980 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:00,980 INFO L518 ElimStorePlain]: Eliminatee v_prenex_29 vanished before elimination [2021-06-01 19:51:00,980 INFO L518 ElimStorePlain]: Eliminatee v_prenex_28 vanished before elimination [2021-06-01 19:51:00,980 INFO L518 ElimStorePlain]: Eliminatee v_prenex_49 vanished before elimination [2021-06-01 19:51:00,980 INFO L518 ElimStorePlain]: Eliminatee v_prenex_27 vanished before elimination [2021-06-01 19:51:00,980 INFO L518 ElimStorePlain]: Eliminatee v_prenex_48 vanished before elimination [2021-06-01 19:51:00,980 INFO L518 ElimStorePlain]: Eliminatee v_prenex_26 vanished before elimination [2021-06-01 19:51:00,986 INFO L550 ElimStorePlain]: Start of recursive call 1: 48 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-01 19:51:00,986 INFO L247 ElimStorePlain]: Needed 29 recursive calls to eliminate 48 variables, input treesize:1137, output treesize:118 [2021-06-01 19:51:01,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:51:01,253 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:01,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-01 19:51:01,258 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:01,274 INFO L628 ElimStorePlain]: treesize reduction 86, result has 5.5 percent of original size [2021-06-01 19:51:01,274 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-06-01 19:51:01,274 INFO L518 ElimStorePlain]: Eliminatee v_prenex_52 vanished before elimination [2021-06-01 19:51:01,274 INFO L518 ElimStorePlain]: Eliminatee v_prenex_51 vanished before elimination [2021-06-01 19:51:01,275 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:51:01,275 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-01 19:51:01,281 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:51:01,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352834818] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:51:01,282 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:51:01,282 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-06-01 19:51:01,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749870507] [2021-06-01 19:51:01,282 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-01 19:51:01,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:51:01,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-01 19:51:01,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2021-06-01 19:51:01,283 INFO L87 Difference]: Start difference. First operand 4398 states and 15943 transitions. Second operand has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 22 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:51:01,549 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2021-06-01 19:51:01,736 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 53 [2021-06-01 19:51:01,888 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2021-06-01 19:51:02,665 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2021-06-01 19:51:03,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:51:03,071 INFO L93 Difference]: Finished difference Result 5785 states and 20387 transitions. [2021-06-01 19:51:03,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-01 19:51:03,071 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 22 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-01 19:51:03,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:51:03,088 INFO L225 Difference]: With dead ends: 5785 [2021-06-01 19:51:03,088 INFO L226 Difference]: Without dead ends: 5742 [2021-06-01 19:51:03,088 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 2624.5ms TimeCoverageRelationStatistics Valid=172, Invalid=820, Unknown=0, NotChecked=0, Total=992 [2021-06-01 19:51:03,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5742 states. [2021-06-01 19:51:03,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5742 to 4565. [2021-06-01 19:51:03,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4565 states, 4564 states have (on average 3.612182296231376) internal successors, (16486), 4564 states have internal predecessors, (16486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:51:03,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4565 states to 4565 states and 16486 transitions. [2021-06-01 19:51:03,228 INFO L78 Accepts]: Start accepts. Automaton has 4565 states and 16486 transitions. Word has length 33 [2021-06-01 19:51:03,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:51:03,228 INFO L482 AbstractCegarLoop]: Abstraction has 4565 states and 16486 transitions. [2021-06-01 19:51:03,229 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 22 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:51:03,229 INFO L276 IsEmpty]: Start isEmpty. Operand 4565 states and 16486 transitions. [2021-06-01 19:51:03,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-01 19:51:03,245 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:51:03,245 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:51:03,468 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:51:03,469 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:51:03,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:51:03,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1133562818, now seen corresponding path program 11 times [2021-06-01 19:51:03,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:51:03,469 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020209026] [2021-06-01 19:51:03,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:51:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:51:04,172 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 57 [2021-06-01 19:51:04,520 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 60 [2021-06-01 19:51:04,856 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:51:04,856 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:51:04,856 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020209026] [2021-06-01 19:51:04,856 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020209026] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:51:04,856 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924583713] [2021-06-01 19:51:04,856 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:51:04,897 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-01 19:51:04,898 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:51:04,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjunts are in the unsatisfiable core [2021-06-01 19:51:04,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:51:05,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:51:05,247 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:05,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:51:05,254 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:05,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:51:05,260 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:05,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:51:05,267 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:05,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:51:05,277 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:05,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:51:05,286 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:05,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:51:05,295 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:05,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:51:05,305 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:05,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:51:05,314 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:05,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:51:05,323 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:05,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:51:05,333 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:05,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:51:05,343 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:05,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:51:05,352 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:05,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:51:05,360 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:05,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:51:05,369 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:05,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:51:05,383 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:05,729 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-01 19:51:05,730 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:05,736 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 16 xjuncts. [2021-06-01 19:51:05,736 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 1 variables, input treesize:1073, output treesize:1057 [2021-06-01 19:51:06,113 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-01 19:51:06,688 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-06-01 19:51:07,492 WARN L205 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2021-06-01 19:51:08,242 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_90, v_prenex_72, v_prenex_94, v_prenex_93, v_prenex_70, v_prenex_91, v_prenex_76, v_prenex_54, v_prenex_97, v_prenex_75, v_prenex_53, v_prenex_96, v_prenex_73, v_prenex_57, v_prenex_79, v_prenex_56, v_prenex_78, v_prenex_61, A, v_prenex_82, v_prenex_60, B, v_prenex_81, v_prenex_87, v_prenex_64, v_prenex_85, v_prenex_63, v_prenex_84, v_prenex_69, v_prenex_67, v_prenex_66, v_prenex_88], 2=[v_C_16, v_prenex_83, v_prenex_71, v_prenex_92, v_prenex_80, v_prenex_65, v_prenex_86, v_prenex_74, v_prenex_95, v_prenex_62, v_prenex_58, v_prenex_68, v_prenex_89, v_prenex_55, v_prenex_77, v_prenex_59]} [2021-06-01 19:51:08,287 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 43 treesize of output 29 [2021-06-01 19:51:08,290 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:08,322 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 52 treesize of output 36 [2021-06-01 19:51:08,326 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:10,715 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 449 DAG size of output: 425 [2021-06-01 19:51:10,716 INFO L628 ElimStorePlain]: treesize reduction 592, result has 74.6 percent of original size [2021-06-01 19:51:10,738 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 50 treesize of output 36 [2021-06-01 19:51:10,741 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:11,728 WARN L205 SmtUtils]: Spent 986.00 ms on a formula simplification that was a NOOP. DAG size: 420 [2021-06-01 19:51:11,728 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:11,754 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 43 treesize of output 29 [2021-06-01 19:51:11,766 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:11,793 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 52 treesize of output 36 [2021-06-01 19:51:11,797 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:12,852 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 422 [2021-06-01 19:51:12,852 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:12,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-06-01 19:51:12,893 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:12,922 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 [2021-06-01 19:51:12,924 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:13,876 WARN L205 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2021-06-01 19:51:13,877 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:13,916 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 41 treesize of output 29 [2021-06-01 19:51:13,919 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:14,858 WARN L205 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2021-06-01 19:51:14,859 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:14,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-06-01 19:51:14,891 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:14,919 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 39 treesize of output 25 [2021-06-01 19:51:14,922 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:15,799 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2021-06-01 19:51:15,800 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:15,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-01 19:51:15,828 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:16,694 WARN L205 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2021-06-01 19:51:16,694 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:16,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-01 19:51:16,735 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:17,602 WARN L205 SmtUtils]: Spent 866.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2021-06-01 19:51:17,603 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:17,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-01 19:51:17,624 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:18,474 WARN L205 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2021-06-01 19:51:18,475 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:18,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-01 19:51:18,496 INFO L550 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:19,408 WARN L205 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2021-06-01 19:51:19,409 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:19,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-01 19:51:19,433 INFO L550 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:20,248 WARN L205 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2021-06-01 19:51:20,248 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:20,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-06-01 19:51:20,276 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:21,116 WARN L205 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2021-06-01 19:51:21,117 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:21,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-01 19:51:21,139 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:21,947 WARN L205 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2021-06-01 19:51:21,947 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:21,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-01 19:51:21,985 INFO L550 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:22,794 WARN L205 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 365 [2021-06-01 19:51:22,795 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:22,814 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 43 treesize of output 29 [2021-06-01 19:51:22,817 INFO L550 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:23,650 WARN L205 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 360 [2021-06-01 19:51:23,651 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:23,673 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 46 treesize of output 30 [2021-06-01 19:51:23,676 INFO L550 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:24,450 WARN L205 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2021-06-01 19:51:24,450 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:24,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-01 19:51:24,476 INFO L550 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:25,244 WARN L205 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2021-06-01 19:51:25,244 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:25,268 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 43 treesize of output 29 [2021-06-01 19:51:25,277 INFO L550 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:25,295 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 52 treesize of output 36 [2021-06-01 19:51:25,299 INFO L550 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:26,072 WARN L205 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2021-06-01 19:51:26,072 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:26,101 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 50 treesize of output 36 [2021-06-01 19:51:26,103 INFO L550 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:26,122 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 41 treesize of output 29 [2021-06-01 19:51:26,130 INFO L550 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:26,938 WARN L205 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2021-06-01 19:51:26,939 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:26,959 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 43 treesize of output 29 [2021-06-01 19:51:26,963 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:27,723 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2021-06-01 19:51:27,724 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:27,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-01 19:51:27,751 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:27,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-01 19:51:27,781 INFO L550 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:28,565 WARN L205 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2021-06-01 19:51:28,565 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:28,587 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 37 treesize of output 25 [2021-06-01 19:51:28,590 INFO L550 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:28,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-01 19:51:28,620 INFO L550 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:29,356 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2021-06-01 19:51:29,357 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:29,374 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 37 treesize of output 25 [2021-06-01 19:51:29,376 INFO L550 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:30,064 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2021-06-01 19:51:30,065 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:30,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-01 19:51:30,093 INFO L550 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:30,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-01 19:51:30,114 INFO L550 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:30,779 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2021-06-01 19:51:30,779 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:30,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-01 19:51:30,809 INFO L550 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:30,830 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 41 treesize of output 29 [2021-06-01 19:51:30,832 INFO L550 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:31,490 WARN L205 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2021-06-01 19:51:31,490 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:31,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-01 19:51:31,518 INFO L550 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:31,544 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 [2021-06-01 19:51:31,548 INFO L550 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:32,201 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2021-06-01 19:51:32,202 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:32,228 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 39 treesize of output 25 [2021-06-01 19:51:32,238 INFO L550 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:32,257 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 46 treesize of output 30 [2021-06-01 19:51:32,261 INFO L550 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:32,853 WARN L205 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2021-06-01 19:51:32,853 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:32,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-06-01 19:51:32,883 INFO L550 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:32,905 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 39 treesize of output 25 [2021-06-01 19:51:32,907 INFO L550 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:33,483 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2021-06-01 19:51:33,484 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:33,504 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 37 treesize of output 25 [2021-06-01 19:51:33,506 INFO L550 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:34,079 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2021-06-01 19:51:34,080 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:34,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-01 19:51:34,113 INFO L550 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:34,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-01 19:51:34,133 INFO L550 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:34,692 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2021-06-01 19:51:34,693 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:34,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-01 19:51:34,718 INFO L550 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:34,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-01 19:51:34,739 INFO L550 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:35,272 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2021-06-01 19:51:35,272 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:35,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-06-01 19:51:35,299 INFO L550 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:35,317 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 37 treesize of output 25 [2021-06-01 19:51:35,319 INFO L550 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:35,811 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2021-06-01 19:51:35,811 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:35,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-01 19:51:35,837 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:35,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:51:35,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-01 19:51:35,860 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:36,349 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2021-06-01 19:51:36,349 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:36,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:51:36,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:51:36,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-01 19:51:36,376 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:36,400 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 16 treesize of output 18 [2021-06-01 19:51:36,401 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:36,905 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2021-06-01 19:51:36,905 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:36,927 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 17 treesize of output 19 [2021-06-01 19:51:36,928 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:37,410 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2021-06-01 19:51:37,411 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:37,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-01 19:51:37,436 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:37,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:51:37,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-01 19:51:37,460 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:37,915 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2021-06-01 19:51:37,915 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:37,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:51:37,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-01 19:51:37,937 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:38,381 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-01 19:51:38,382 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:38,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:51:38,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:51:38,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-01 19:51:38,405 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:38,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-01 19:51:38,428 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:38,873 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-06-01 19:51:38,873 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:38,890 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:51:38,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:51:38,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-01 19:51:38,899 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:38,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-01 19:51:38,921 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:39,353 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 276 [2021-06-01 19:51:39,354 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:39,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:51:39,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-01 19:51:39,374 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:39,795 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2021-06-01 19:51:39,795 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:39,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-01 19:51:39,815 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:40,228 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-06-01 19:51:40,229 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:40,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-01 19:51:40,250 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:40,265 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:51:40,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-01 19:51:40,270 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:40,669 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2021-06-01 19:51:40,669 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:40,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-01 19:51:40,689 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:41,088 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2021-06-01 19:51:41,088 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:41,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:51:41,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-01 19:51:41,108 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:41,499 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2021-06-01 19:51:41,499 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:41,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-01 19:51:41,519 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:41,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:51:41,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-01 19:51:41,538 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:41,919 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2021-06-01 19:51:41,919 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:41,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-01 19:51:41,937 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:42,322 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2021-06-01 19:51:42,323 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:42,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:51:42,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-01 19:51:42,342 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:42,710 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2021-06-01 19:51:42,710 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:42,724 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:51:42,724 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:51:42,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-01 19:51:42,729 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:42,745 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 16 treesize of output 18 [2021-06-01 19:51:42,746 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:43,108 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2021-06-01 19:51:43,109 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:43,129 INFO L550 ElimStorePlain]: Start of recursive call 1: 48 dim-1 vars, End of recursive call: and 12 xjuncts. [2021-06-01 19:51:43,129 INFO L247 ElimStorePlain]: Needed 73 recursive calls to eliminate 48 variables, input treesize:2369, output treesize:345 [2021-06-01 19:51:43,288 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2021-06-01 19:51:43,497 INFO L446 ElimStorePlain]: Different costs {2=[v_prenex_100, v_prenex_102], 3=[C, v_prenex_98]} [2021-06-01 19:51:43,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:43,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:51:43,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:51:43,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2021-06-01 19:51:43,507 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:43,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:43,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:51:43,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-01 19:51:43,513 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:43,602 INFO L628 ElimStorePlain]: treesize reduction 81, result has 60.7 percent of original size [2021-06-01 19:51:43,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:43,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-01 19:51:43,607 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:43,641 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:43,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:43,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:43,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:51:43,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 12 [2021-06-01 19:51:43,650 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:43,681 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:43,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:43,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2021-06-01 19:51:43,689 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:43,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:43,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:43,693 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:51:43,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-01 19:51:43,694 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:43,730 INFO L628 ElimStorePlain]: treesize reduction 12, result has 80.3 percent of original size [2021-06-01 19:51:43,742 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:51:43,743 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:253, output treesize:5 [2021-06-01 19:51:43,750 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:51:43,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924583713] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:51:43,750 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:51:43,750 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2021-06-01 19:51:43,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916785678] [2021-06-01 19:51:43,750 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-01 19:51:43,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:51:43,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-01 19:51:43,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2021-06-01 19:51:43,751 INFO L87 Difference]: Start difference. First operand 4565 states and 16486 transitions. Second operand has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:51:44,041 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2021-06-01 19:51:44,406 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-06-01 19:51:44,668 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-06-01 19:51:45,539 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 68 [2021-06-01 19:51:46,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:51:46,073 INFO L93 Difference]: Finished difference Result 6000 states and 21119 transitions. [2021-06-01 19:51:46,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-01 19:51:46,073 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-01 19:51:46,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:51:46,090 INFO L225 Difference]: With dead ends: 6000 [2021-06-01 19:51:46,090 INFO L226 Difference]: Without dead ends: 5891 [2021-06-01 19:51:46,091 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 4404.4ms TimeCoverageRelationStatistics Valid=192, Invalid=998, Unknown=0, NotChecked=0, Total=1190 [2021-06-01 19:51:46,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5891 states. [2021-06-01 19:51:46,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5891 to 4605. [2021-06-01 19:51:46,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4605 states, 4604 states have (on average 3.607949609035621) internal successors, (16611), 4604 states have internal predecessors, (16611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:51:46,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4605 states to 4605 states and 16611 transitions. [2021-06-01 19:51:46,198 INFO L78 Accepts]: Start accepts. Automaton has 4605 states and 16611 transitions. Word has length 33 [2021-06-01 19:51:46,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:51:46,198 INFO L482 AbstractCegarLoop]: Abstraction has 4605 states and 16611 transitions. [2021-06-01 19:51:46,199 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:51:46,199 INFO L276 IsEmpty]: Start isEmpty. Operand 4605 states and 16611 transitions. [2021-06-01 19:51:46,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-01 19:51:46,208 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:51:46,208 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:51:46,424 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:51:46,425 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:51:46,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:51:46,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1389073446, now seen corresponding path program 12 times [2021-06-01 19:51:46,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:51:46,425 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567197511] [2021-06-01 19:51:46,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:51:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:51:46,839 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 56 [2021-06-01 19:51:47,047 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 55 [2021-06-01 19:51:47,350 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:51:47,350 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:51:47,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567197511] [2021-06-01 19:51:47,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567197511] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:51:47,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684480372] [2021-06-01 19:51:47,350 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:51:47,380 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-01 19:51:47,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:51:47,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-01 19:51:47,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:51:47,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:51:47,556 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:47,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:51:47,561 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:47,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:51:47,566 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:47,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:51:47,571 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:47,645 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:47,646 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-01 19:51:47,646 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:253, output treesize:249 [2021-06-01 19:51:48,044 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-06-01 19:51:48,357 INFO L446 ElimStorePlain]: Different costs {1=[v_prenex_119, v_prenex_109, v_prenex_110, v_prenex_122, v_C_18, v_prenex_113, v_prenex_116, v_prenex_106], 3=[v_prenex_120, v_prenex_121, v_prenex_111, v_prenex_112, v_prenex_123, v_prenex_124, v_prenex_114, v_prenex_104, v_prenex_115, v_prenex_105, v_prenex_117, v_prenex_107, v_prenex_118, v_prenex_108, A, B]} [2021-06-01 19:51:48,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:48,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:51:48,381 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:48,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:48,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:51:48,403 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:49,061 WARN L205 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2021-06-01 19:51:49,061 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:49,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:49,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:51:49,080 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:49,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:49,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:51:49,098 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:49,690 WARN L205 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-06-01 19:51:49,691 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:49,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:49,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:51:49,708 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:49,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:49,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:51:49,723 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:50,318 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-06-01 19:51:50,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:50,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:50,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:51:50,335 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:50,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:50,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:51:50,349 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:50,915 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-06-01 19:51:50,915 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:50,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:50,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:51:50,933 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:50,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:50,948 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 30 treesize of output 32 [2021-06-01 19:51:50,949 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:51,498 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-06-01 19:51:51,498 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:51,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:51,522 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 [2021-06-01 19:51:51,523 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:51,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:51,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:51:51,542 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:52,097 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-06-01 19:51:52,098 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:52,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:52,115 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 30 treesize of output 32 [2021-06-01 19:51:52,116 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:52,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:52,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:51:52,143 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:52,695 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-06-01 19:51:52,696 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:52,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:52,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:51:52,713 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:52,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:52,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:51:52,728 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:53,261 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-06-01 19:51:53,262 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:53,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:53,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:53,276 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 63 treesize of output 39 [2021-06-01 19:51:53,277 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:53,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:53,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:53,288 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 55 treesize of output 39 [2021-06-01 19:51:53,290 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:53,801 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-06-01 19:51:53,801 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:53,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:53,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:53,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 43 [2021-06-01 19:51:53,818 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:53,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:53,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:53,830 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 53 treesize of output 31 [2021-06-01 19:51:53,832 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:54,211 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 69 [2021-06-01 19:51:54,211 INFO L628 ElimStorePlain]: treesize reduction 826, result has 31.9 percent of original size [2021-06-01 19:51:54,211 INFO L518 ElimStorePlain]: Eliminatee v_prenex_111 vanished before elimination [2021-06-01 19:51:54,211 INFO L518 ElimStorePlain]: Eliminatee v_prenex_112 vanished before elimination [2021-06-01 19:51:54,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:54,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:54,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-01 19:51:54,221 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:54,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:54,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:54,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-01 19:51:54,228 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:54,320 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:54,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:54,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:54,330 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 59 treesize of output 35 [2021-06-01 19:51:54,332 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:54,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:54,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:51:54,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2021-06-01 19:51:54,338 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:54,411 INFO L628 ElimStorePlain]: treesize reduction 169, result has 38.8 percent of original size [2021-06-01 19:51:54,412 INFO L518 ElimStorePlain]: Eliminatee v_prenex_114 vanished before elimination [2021-06-01 19:51:54,412 INFO L518 ElimStorePlain]: Eliminatee v_prenex_104 vanished before elimination [2021-06-01 19:51:54,412 INFO L518 ElimStorePlain]: Eliminatee v_prenex_115 vanished before elimination [2021-06-01 19:51:54,412 INFO L518 ElimStorePlain]: Eliminatee v_prenex_105 vanished before elimination [2021-06-01 19:51:54,412 INFO L518 ElimStorePlain]: Eliminatee v_prenex_117 vanished before elimination [2021-06-01 19:51:54,412 INFO L518 ElimStorePlain]: Eliminatee v_prenex_107 vanished before elimination [2021-06-01 19:51:54,412 INFO L518 ElimStorePlain]: Eliminatee v_prenex_118 vanished before elimination [2021-06-01 19:51:54,412 INFO L518 ElimStorePlain]: Eliminatee v_prenex_108 vanished before elimination [2021-06-01 19:51:54,412 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-01 19:51:54,412 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-01 19:51:54,413 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-01 19:51:54,413 INFO L247 ElimStorePlain]: Needed 25 recursive calls to eliminate 24 variables, input treesize:1345, output treesize:107 [2021-06-01 19:51:54,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-01 19:51:54,641 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:54,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-01 19:51:54,646 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:54,661 INFO L628 ElimStorePlain]: treesize reduction 93, result has 5.1 percent of original size [2021-06-01 19:51:54,661 INFO L518 ElimStorePlain]: Eliminatee v_prenex_125 vanished before elimination [2021-06-01 19:51:54,661 INFO L518 ElimStorePlain]: Eliminatee v_prenex_126 vanished before elimination [2021-06-01 19:51:54,661 INFO L518 ElimStorePlain]: Eliminatee v_prenex_127 vanished before elimination [2021-06-01 19:51:54,662 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:51:54,662 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-01 19:51:54,667 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:51:54,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684480372] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:51:54,667 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:51:54,667 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-06-01 19:51:54,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7455022] [2021-06-01 19:51:54,668 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-01 19:51:54,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:51:54,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-01 19:51:54,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=413, Unknown=0, NotChecked=0, Total=506 [2021-06-01 19:51:54,669 INFO L87 Difference]: Start difference. First operand 4605 states and 16611 transitions. Second operand has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 22 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:51:55,282 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 51 [2021-06-01 19:51:55,859 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2021-06-01 19:51:56,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:51:56,442 INFO L93 Difference]: Finished difference Result 6946 states and 24274 transitions. [2021-06-01 19:51:56,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-01 19:51:56,443 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 22 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-01 19:51:56,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:51:56,462 INFO L225 Difference]: With dead ends: 6946 [2021-06-01 19:51:56,462 INFO L226 Difference]: Without dead ends: 6863 [2021-06-01 19:51:56,463 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 2233.7ms TimeCoverageRelationStatistics Valid=182, Invalid=874, Unknown=0, NotChecked=0, Total=1056 [2021-06-01 19:51:56,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6863 states. [2021-06-01 19:51:56,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6863 to 4778. [2021-06-01 19:51:56,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4778 states, 4777 states have (on average 3.6045635335984927) internal successors, (17219), 4777 states have internal predecessors, (17219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:51:56,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4778 states to 4778 states and 17219 transitions. [2021-06-01 19:51:56,577 INFO L78 Accepts]: Start accepts. Automaton has 4778 states and 17219 transitions. Word has length 33 [2021-06-01 19:51:56,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:51:56,578 INFO L482 AbstractCegarLoop]: Abstraction has 4778 states and 17219 transitions. [2021-06-01 19:51:56,578 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 22 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:51:56,578 INFO L276 IsEmpty]: Start isEmpty. Operand 4778 states and 17219 transitions. [2021-06-01 19:51:56,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-01 19:51:56,588 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:51:56,588 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:51:56,810 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable217 [2021-06-01 19:51:56,811 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:51:56,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:51:56,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1709581408, now seen corresponding path program 13 times [2021-06-01 19:51:56,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:51:56,811 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787995426] [2021-06-01 19:51:56,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:51:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:51:57,232 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 37 [2021-06-01 19:51:57,722 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:51:57,723 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:51:57,723 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787995426] [2021-06-01 19:51:57,723 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787995426] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:51:57,723 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249468739] [2021-06-01 19:51:57,723 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:51:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:51:57,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-01 19:51:57,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:51:57,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:51:57,959 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:57,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:51:57,968 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:57,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:51:57,975 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:57,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:51:57,981 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:51:58,048 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:51:58,049 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-01 19:51:58,049 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:221, output treesize:217 [2021-06-01 19:51:58,401 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-06-01 19:51:58,904 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2021-06-01 19:51:59,746 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_141, v_prenex_131, v_prenex_142, v_prenex_132, v_prenex_144, v_prenex_145, v_prenex_135, v_prenex_147, v_prenex_136, v_prenex_148, v_prenex_138, v_prenex_139, v_prenex_128, v_prenex_129, A, B], 2=[v_C_20, v_prenex_140, v_prenex_130, v_prenex_143, v_prenex_133, v_prenex_134, v_prenex_146, v_prenex_137]} [2021-06-01 19:51:59,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-01 19:51:59,774 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:59,799 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 52 treesize of output 36 [2021-06-01 19:51:59,802 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:59,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-01 19:51:59,828 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:51:59,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-01 19:51:59,847 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:01,606 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 273 DAG size of output: 261 [2021-06-01 19:52:01,607 INFO L628 ElimStorePlain]: treesize reduction 422, result has 80.9 percent of original size [2021-06-01 19:52:01,628 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 50 treesize of output 36 [2021-06-01 19:52:01,631 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:01,644 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 52 treesize of output 36 [2021-06-01 19:52:01,647 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:02,462 WARN L205 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2021-06-01 19:52:02,462 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:02,481 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 39 treesize of output 25 [2021-06-01 19:52:02,483 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:02,501 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 52 treesize of output 34 [2021-06-01 19:52:02,503 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:02,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-06-01 19:52:02,524 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:02,544 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 39 treesize of output 25 [2021-06-01 19:52:02,547 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:04,135 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 263 DAG size of output: 262 [2021-06-01 19:52:04,136 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.7 percent of original size [2021-06-01 19:52:04,152 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 46 treesize of output 30 [2021-06-01 19:52:04,157 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:04,170 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 46 treesize of output 30 [2021-06-01 19:52:04,176 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:04,908 WARN L205 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-06-01 19:52:04,909 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:04,926 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 52 treesize of output 36 [2021-06-01 19:52:04,929 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:04,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-01 19:52:04,948 INFO L550 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:04,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-01 19:52:04,968 INFO L550 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:04,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-01 19:52:04,985 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:05,772 WARN L205 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2021-06-01 19:52:05,772 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:05,793 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 52 treesize of output 34 [2021-06-01 19:52:05,796 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:05,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-01 19:52:05,821 INFO L550 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:05,840 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 52 treesize of output 34 [2021-06-01 19:52:05,842 INFO L550 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:05,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-01 19:52:05,859 INFO L550 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:06,550 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2021-06-01 19:52:06,551 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:06,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-01 19:52:06,572 INFO L550 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:06,590 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 52 treesize of output 36 [2021-06-01 19:52:06,593 INFO L550 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:06,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-01 19:52:06,616 INFO L550 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:06,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-01 19:52:06,633 INFO L550 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:07,365 WARN L205 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2021-06-01 19:52:07,366 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:07,388 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 43 treesize of output 29 [2021-06-01 19:52:07,391 INFO L550 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:07,411 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 41 treesize of output 29 [2021-06-01 19:52:07,413 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:07,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-01 19:52:07,439 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:07,458 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 52 treesize of output 36 [2021-06-01 19:52:07,460 INFO L550 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:08,186 WARN L205 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2021-06-01 19:52:08,187 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:08,208 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 39 treesize of output 25 [2021-06-01 19:52:08,214 INFO L550 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:08,240 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 39 treesize of output 25 [2021-06-01 19:52:08,243 INFO L550 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:08,265 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 46 treesize of output 30 [2021-06-01 19:52:08,267 INFO L550 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:08,285 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 46 treesize of output 30 [2021-06-01 19:52:08,291 INFO L550 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:09,020 WARN L205 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2021-06-01 19:52:09,021 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:09,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-01 19:52:09,045 INFO L550 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:09,070 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 44 treesize of output 30 [2021-06-01 19:52:09,072 INFO L550 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:09,095 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 44 treesize of output 30 [2021-06-01 19:52:09,097 INFO L550 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:09,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-01 19:52:09,117 INFO L550 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:09,780 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2021-06-01 19:52:09,780 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:09,802 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 41 treesize of output 29 [2021-06-01 19:52:09,804 INFO L550 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:09,819 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 43 treesize of output 29 [2021-06-01 19:52:09,821 INFO L550 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:10,412 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2021-06-01 19:52:10,413 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:10,433 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 37 treesize of output 25 [2021-06-01 19:52:10,435 INFO L550 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:10,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-01 19:52:10,451 INFO L550 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:11,059 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2021-06-01 19:52:11,059 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:11,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-01 19:52:11,084 INFO L550 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:11,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-01 19:52:11,102 INFO L550 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:11,662 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-06-01 19:52:11,662 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:11,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-06-01 19:52:11,684 INFO L550 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:11,701 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 44 treesize of output 30 [2021-06-01 19:52:11,706 INFO L550 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:12,272 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 290 [2021-06-01 19:52:12,272 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:12,294 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 41 treesize of output 29 [2021-06-01 19:52:12,299 INFO L550 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:12,322 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 50 treesize of output 36 [2021-06-01 19:52:12,324 INFO L550 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:12,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-01 19:52:12,351 INFO L550 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:12,374 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 43 treesize of output 29 [2021-06-01 19:52:12,376 INFO L550 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:12,994 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2021-06-01 19:52:12,994 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:13,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-01 19:52:13,017 INFO L550 ElimStorePlain]: Start of recursive call 50: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:13,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-01 19:52:13,038 INFO L550 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:13,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-01 19:52:13,060 INFO L550 ElimStorePlain]: Start of recursive call 52: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:13,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-01 19:52:13,078 INFO L550 ElimStorePlain]: Start of recursive call 53: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:52:13,614 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2021-06-01 19:52:13,614 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:13,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:52:13,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:52:13,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-01 19:52:13,638 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:13,655 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:52:13,655 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:52:13,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-01 19:52:13,661 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:13,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-01 19:52:13,684 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:13,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-01 19:52:13,707 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:14,211 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2021-06-01 19:52:14,211 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:14,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:52:14,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:52:14,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-01 19:52:14,236 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:14,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-01 19:52:14,259 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:14,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-01 19:52:14,282 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:14,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:52:14,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-01 19:52:14,303 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:14,775 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-01 19:52:14,776 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:14,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-01 19:52:14,799 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:14,818 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 17 treesize of output 19 [2021-06-01 19:52:14,819 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:15,276 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2021-06-01 19:52:15,277 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:15,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-01 19:52:15,300 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:15,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:52:15,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:52:15,323 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-01 19:52:15,324 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:15,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:52:15,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:52:15,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-01 19:52:15,347 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:15,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-01 19:52:15,368 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:15,801 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2021-06-01 19:52:15,801 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:15,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-01 19:52:15,827 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:15,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-01 19:52:15,877 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:16,307 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2021-06-01 19:52:16,307 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:16,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-01 19:52:16,327 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:16,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:52:16,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:52:16,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-01 19:52:16,349 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:16,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-01 19:52:16,369 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:16,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:52:16,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-01 19:52:16,388 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:16,790 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-06-01 19:52:16,790 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:16,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-01 19:52:16,810 INFO L550 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:16,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:52:16,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:52:16,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-01 19:52:16,831 INFO L550 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:16,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-01 19:52:16,851 INFO L550 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:16,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:52:16,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-01 19:52:16,881 INFO L550 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:17,259 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-06-01 19:52:17,259 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:17,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:52:17,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:52:17,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-01 19:52:17,280 INFO L550 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:17,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:52:17,298 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 [2021-06-01 19:52:17,299 INFO L550 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:17,655 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2021-06-01 19:52:17,656 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:17,669 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 15 xjuncts. [2021-06-01 19:52:17,670 INFO L247 ElimStorePlain]: Needed 79 recursive calls to eliminate 24 variables, input treesize:2273, output treesize:378 [2021-06-01 19:52:17,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:52:17,826 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:17,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-01 19:52:17,830 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:17,842 INFO L628 ElimStorePlain]: treesize reduction 86, result has 5.5 percent of original size [2021-06-01 19:52:17,842 INFO L518 ElimStorePlain]: Eliminatee v_prenex_150 vanished before elimination [2021-06-01 19:52:17,842 INFO L518 ElimStorePlain]: Eliminatee v_prenex_151 vanished before elimination [2021-06-01 19:52:17,842 INFO L518 ElimStorePlain]: Eliminatee v_prenex_149 vanished before elimination [2021-06-01 19:52:17,843 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:52:17,843 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-01 19:52:17,848 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:52:17,848 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249468739] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:52:17,848 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:52:17,848 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-06-01 19:52:17,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503022499] [2021-06-01 19:52:17,849 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-01 19:52:17,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:52:17,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-01 19:52:17,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2021-06-01 19:52:17,849 INFO L87 Difference]: Start difference. First operand 4778 states and 17219 transitions. Second operand has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:52:18,361 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 42 [2021-06-01 19:52:18,797 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2021-06-01 19:52:19,184 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2021-06-01 19:52:19,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:52:19,580 INFO L93 Difference]: Finished difference Result 6706 states and 23504 transitions. [2021-06-01 19:52:19,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 19:52:19,581 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-01 19:52:19,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:52:19,596 INFO L225 Difference]: With dead ends: 6706 [2021-06-01 19:52:19,596 INFO L226 Difference]: Without dead ends: 6489 [2021-06-01 19:52:19,596 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 2688.1ms TimeCoverageRelationStatistics Valid=180, Invalid=812, Unknown=0, NotChecked=0, Total=992 [2021-06-01 19:52:19,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6489 states. [2021-06-01 19:52:19,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6489 to 4829. [2021-06-01 19:52:19,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4829 states, 4828 states have (on average 3.5925849212924605) internal successors, (17345), 4828 states have internal predecessors, (17345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:52:19,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4829 states to 4829 states and 17345 transitions. [2021-06-01 19:52:19,700 INFO L78 Accepts]: Start accepts. Automaton has 4829 states and 17345 transitions. Word has length 33 [2021-06-01 19:52:19,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:52:19,701 INFO L482 AbstractCegarLoop]: Abstraction has 4829 states and 17345 transitions. [2021-06-01 19:52:19,701 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:52:19,701 INFO L276 IsEmpty]: Start isEmpty. Operand 4829 states and 17345 transitions. [2021-06-01 19:52:19,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-01 19:52:19,711 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:52:19,711 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:52:19,933 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable257 [2021-06-01 19:52:19,933 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:52:19,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:52:19,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1839447846, now seen corresponding path program 14 times [2021-06-01 19:52:19,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:52:19,934 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615483247] [2021-06-01 19:52:19,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:52:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:52:20,422 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 48 [2021-06-01 19:52:20,570 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2021-06-01 19:52:20,701 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 45 [2021-06-01 19:52:20,800 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:52:20,800 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:52:20,800 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615483247] [2021-06-01 19:52:20,800 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615483247] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:52:20,800 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481051658] [2021-06-01 19:52:20,800 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:52:20,830 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-01 19:52:20,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:52:20,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-01 19:52:20,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:52:21,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:52:21,008 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:21,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:52:21,014 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:21,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:52:21,019 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:21,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:52:21,026 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:21,115 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:21,117 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-01 19:52:21,117 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:277, output treesize:273 [2021-06-01 19:52:21,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:21,259 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 [2021-06-01 19:52:21,261 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:21,361 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:21,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:21,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:52:21,372 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:21,472 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:21,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:21,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:52:21,482 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:21,583 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-06-01 19:52:21,583 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:21,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:21,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:52:21,592 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:21,689 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:21,691 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-01 19:52:21,691 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:309, output treesize:305 [2021-06-01 19:52:22,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:22,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:22,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-01 19:52:22,257 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:22,768 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2021-06-01 19:52:22,769 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:22,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:22,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:22,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-01 19:52:22,784 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:23,225 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2021-06-01 19:52:23,226 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:23,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:23,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:23,247 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 57 treesize of output 39 [2021-06-01 19:52:23,249 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:23,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:23,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:23,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-01 19:52:23,265 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:23,689 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2021-06-01 19:52:23,689 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:23,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:23,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:23,709 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 61 treesize of output 39 [2021-06-01 19:52:23,726 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:24,153 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-06-01 19:52:24,154 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:24,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:24,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:24,170 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 57 treesize of output 33 [2021-06-01 19:52:24,172 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:24,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:24,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:24,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2021-06-01 19:52:24,185 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:24,571 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 137 [2021-06-01 19:52:24,572 INFO L628 ElimStorePlain]: treesize reduction 592, result has 50.5 percent of original size [2021-06-01 19:52:24,572 INFO L518 ElimStorePlain]: Eliminatee v_prenex_173 vanished before elimination [2021-06-01 19:52:24,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:24,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:24,579 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 41 [2021-06-01 19:52:24,581 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:24,771 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 100 [2021-06-01 19:52:24,771 INFO L628 ElimStorePlain]: treesize reduction 166, result has 70.5 percent of original size [2021-06-01 19:52:24,771 INFO L518 ElimStorePlain]: Eliminatee v_prenex_174 vanished before elimination [2021-06-01 19:52:24,771 INFO L518 ElimStorePlain]: Eliminatee v_prenex_163 vanished before elimination [2021-06-01 19:52:24,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:24,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:24,777 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 61 treesize of output 39 [2021-06-01 19:52:24,779 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:24,857 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:24,857 INFO L518 ElimStorePlain]: Eliminatee v_prenex_164 vanished before elimination [2021-06-01 19:52:24,857 INFO L518 ElimStorePlain]: Eliminatee v_prenex_165 vanished before elimination [2021-06-01 19:52:24,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:24,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:24,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2021-06-01 19:52:24,864 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:24,952 INFO L628 ElimStorePlain]: treesize reduction 175, result has 50.0 percent of original size [2021-06-01 19:52:24,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:24,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:24,957 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 61 treesize of output 39 [2021-06-01 19:52:24,958 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:24,990 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:24,990 INFO L518 ElimStorePlain]: Eliminatee v_prenex_166 vanished before elimination [2021-06-01 19:52:24,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:24,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:24,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2021-06-01 19:52:24,995 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:25,023 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:25,023 INFO L518 ElimStorePlain]: Eliminatee v_prenex_167 vanished before elimination [2021-06-01 19:52:25,023 INFO L518 ElimStorePlain]: Eliminatee v_prenex_168 vanished before elimination [2021-06-01 19:52:25,023 INFO L518 ElimStorePlain]: Eliminatee v_prenex_157 vanished before elimination [2021-06-01 19:52:25,023 INFO L518 ElimStorePlain]: Eliminatee v_prenex_158 vanished before elimination [2021-06-01 19:52:25,023 INFO L518 ElimStorePlain]: Eliminatee v_prenex_169 vanished before elimination [2021-06-01 19:52:25,023 INFO L518 ElimStorePlain]: Eliminatee v_prenex_159 vanished before elimination [2021-06-01 19:52:25,024 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-01 19:52:25,024 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-01 19:52:25,024 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-01 19:52:25,025 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 24 variables, input treesize:1361, output treesize:107 [2021-06-01 19:52:25,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-01 19:52:25,222 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:25,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-01 19:52:25,226 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:25,238 INFO L628 ElimStorePlain]: treesize reduction 93, result has 5.1 percent of original size [2021-06-01 19:52:25,238 INFO L518 ElimStorePlain]: Eliminatee v_prenex_177 vanished before elimination [2021-06-01 19:52:25,238 INFO L518 ElimStorePlain]: Eliminatee v_prenex_178 vanished before elimination [2021-06-01 19:52:25,238 INFO L518 ElimStorePlain]: Eliminatee v_prenex_179 vanished before elimination [2021-06-01 19:52:25,238 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:52:25,238 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-01 19:52:25,249 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:52:25,249 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481051658] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:52:25,249 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:52:25,249 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-01 19:52:25,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75353427] [2021-06-01 19:52:25,250 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-01 19:52:25,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:52:25,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-01 19:52:25,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2021-06-01 19:52:25,251 INFO L87 Difference]: Start difference. First operand 4829 states and 17345 transitions. Second operand has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:52:25,418 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 48 [2021-06-01 19:52:25,661 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 48 [2021-06-01 19:52:25,888 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 52 [2021-06-01 19:52:26,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:52:26,212 INFO L93 Difference]: Finished difference Result 6215 states and 21916 transitions. [2021-06-01 19:52:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-01 19:52:26,213 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-01 19:52:26,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:52:26,224 INFO L225 Difference]: With dead ends: 6215 [2021-06-01 19:52:26,224 INFO L226 Difference]: Without dead ends: 6132 [2021-06-01 19:52:26,225 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1563.0ms TimeCoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2021-06-01 19:52:26,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6132 states. [2021-06-01 19:52:26,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6132 to 4865. [2021-06-01 19:52:26,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4865 states, 4864 states have (on average 3.5886101973684212) internal successors, (17455), 4864 states have internal predecessors, (17455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:52:26,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4865 states to 4865 states and 17455 transitions. [2021-06-01 19:52:26,340 INFO L78 Accepts]: Start accepts. Automaton has 4865 states and 17455 transitions. Word has length 33 [2021-06-01 19:52:26,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:52:26,340 INFO L482 AbstractCegarLoop]: Abstraction has 4865 states and 17455 transitions. [2021-06-01 19:52:26,340 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:52:26,340 INFO L276 IsEmpty]: Start isEmpty. Operand 4865 states and 17455 transitions. [2021-06-01 19:52:26,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-01 19:52:26,351 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:52:26,351 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:52:26,560 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable417 [2021-06-01 19:52:26,561 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:52:26,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:52:26,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1784385830, now seen corresponding path program 15 times [2021-06-01 19:52:26,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:52:26,561 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939422679] [2021-06-01 19:52:26,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:52:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:52:26,960 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 52 [2021-06-01 19:52:27,159 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 53 [2021-06-01 19:52:27,312 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 52 [2021-06-01 19:52:27,416 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:52:27,416 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:52:27,416 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939422679] [2021-06-01 19:52:27,417 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939422679] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:52:27,417 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004523762] [2021-06-01 19:52:27,417 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:52:27,447 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-01 19:52:27,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:52:27,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-01 19:52:27,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:52:27,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:52:27,585 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:27,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:52:27,590 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:27,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:52:27,595 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:27,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:52:27,601 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:27,705 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-06-01 19:52:27,706 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:27,707 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-01 19:52:27,707 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:237, output treesize:233 [2021-06-01 19:52:27,845 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-01 19:52:27,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-01 19:52:27,846 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:27,861 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-01 19:52:27,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-01 19:52:27,862 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:27,877 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-01 19:52:27,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-01 19:52:27,879 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:27,892 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-01 19:52:27,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-01 19:52:27,894 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:27,982 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:27,985 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-01 19:52:27,985 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:301, output treesize:297 [2021-06-01 19:52:28,187 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-06-01 19:52:28,397 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-06-01 19:52:28,974 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2021-06-01 19:52:30,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:30,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:30,132 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-01 19:52:30,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 63 [2021-06-01 19:52:30,142 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:31,144 WARN L205 SmtUtils]: Spent 1000.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2021-06-01 19:52:31,144 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:31,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:31,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:31,227 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:31,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 102 treesize of output 98 [2021-06-01 19:52:31,276 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2021-06-01 19:52:33,261 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 678 DAG size of output: 664 [2021-06-01 19:52:33,262 INFO L628 ElimStorePlain]: treesize reduction 135, result has 94.2 percent of original size [2021-06-01 19:52:33,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:33,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:33,343 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-01 19:52:33,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 59 [2021-06-01 19:52:33,349 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:34,370 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 667 [2021-06-01 19:52:34,371 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:34,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:34,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:34,467 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-01 19:52:34,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 66 [2021-06-01 19:52:34,471 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:35,534 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 675 [2021-06-01 19:52:35,534 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:35,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:35,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:35,605 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:35,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 103 treesize of output 97 [2021-06-01 19:52:35,640 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2021-06-01 19:52:38,799 WARN L205 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 682 DAG size of output: 660 [2021-06-01 19:52:38,800 INFO L628 ElimStorePlain]: treesize reduction 178, result has 92.6 percent of original size [2021-06-01 19:52:38,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:38,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:38,866 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:38,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 122 treesize of output 110 [2021-06-01 19:52:38,907 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2021-06-01 19:52:40,983 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 665 DAG size of output: 644 [2021-06-01 19:52:40,984 INFO L628 ElimStorePlain]: treesize reduction 192, result has 91.9 percent of original size [2021-06-01 19:52:41,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:41,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:41,073 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-01 19:52:41,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 55 [2021-06-01 19:52:41,078 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:42,083 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 650 [2021-06-01 19:52:42,084 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:42,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:42,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:42,161 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-01 19:52:42,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 66 [2021-06-01 19:52:42,183 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:43,292 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 661 [2021-06-01 19:52:43,293 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:43,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:43,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:43,382 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-01 19:52:43,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 48 [2021-06-01 19:52:43,387 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:52:44,451 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 662 [2021-06-01 19:52:44,451 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:44,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:44,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:44,520 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:44,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 143 treesize of output 125 [2021-06-01 19:52:44,552 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 3 xjuncts. [2021-06-01 19:52:47,875 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 669 DAG size of output: 640 [2021-06-01 19:52:47,876 INFO L628 ElimStorePlain]: treesize reduction 204, result has 91.4 percent of original size [2021-06-01 19:52:47,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:47,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:47,950 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-01 19:52:47,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 63 [2021-06-01 19:52:47,957 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2021-06-01 19:52:50,120 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 645 DAG size of output: 643 [2021-06-01 19:52:50,121 INFO L628 ElimStorePlain]: treesize reduction 42, result has 98.1 percent of original size [2021-06-01 19:52:50,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:50,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:50,200 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-01 19:52:50,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 55 [2021-06-01 19:52:50,206 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2021-06-01 19:52:52,424 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 652 DAG size of output: 648 [2021-06-01 19:52:52,425 INFO L628 ElimStorePlain]: treesize reduction 44, result has 98.0 percent of original size [2021-06-01 19:52:52,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:52,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:52,490 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:52,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 90 [2021-06-01 19:52:52,514 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 4 xjuncts. [2021-06-01 19:52:54,761 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 651 DAG size of output: 637 [2021-06-01 19:52:54,763 INFO L628 ElimStorePlain]: treesize reduction 169, result has 92.7 percent of original size [2021-06-01 19:52:54,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:54,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:54,830 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:54,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 90 [2021-06-01 19:52:54,864 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 4 xjuncts. [2021-06-01 19:52:57,052 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 634 DAG size of output: 622 [2021-06-01 19:52:57,053 INFO L628 ElimStorePlain]: treesize reduction 139, result has 93.8 percent of original size [2021-06-01 19:52:57,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:57,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:57,126 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-01 19:52:57,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 59 [2021-06-01 19:52:57,133 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2021-06-01 19:52:58,253 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 628 [2021-06-01 19:52:58,254 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:58,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:58,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:52:58,321 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:52:58,322 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 133 treesize of output 115 [2021-06-01 19:52:58,365 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 4 xjuncts. [2021-06-01 19:53:01,838 WARN L205 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 620 DAG size of output: 613 [2021-06-01 19:53:01,839 INFO L628 ElimStorePlain]: treesize reduction 102, result has 95.3 percent of original size [2021-06-01 19:53:01,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:01,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:01,912 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-01 19:53:01,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 63 [2021-06-01 19:53:01,920 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2021-06-01 19:53:03,057 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 615 [2021-06-01 19:53:03,057 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:03,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:03,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:03,133 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-01 19:53:03,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 48 [2021-06-01 19:53:03,137 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-01 19:53:04,242 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 619 [2021-06-01 19:53:04,243 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:04,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:04,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:04,313 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:04,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 90 [2021-06-01 19:53:04,359 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 3 xjuncts. [2021-06-01 19:53:06,626 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 610 DAG size of output: 605 [2021-06-01 19:53:06,628 INFO L628 ElimStorePlain]: treesize reduction 46, result has 97.8 percent of original size [2021-06-01 19:53:06,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:06,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:06,711 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:06,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 96 treesize of output 90 [2021-06-01 19:53:06,759 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 3 xjuncts. [2021-06-01 19:53:09,005 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 611 DAG size of output: 595 [2021-06-01 19:53:09,006 INFO L628 ElimStorePlain]: treesize reduction 192, result has 91.4 percent of original size [2021-06-01 19:53:09,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:09,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:09,081 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-01 19:53:09,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 48 [2021-06-01 19:53:09,085 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-01 19:53:10,238 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 598 [2021-06-01 19:53:10,239 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:10,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:10,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:10,316 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-01 19:53:10,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 56 [2021-06-01 19:53:10,320 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-01 19:53:11,517 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 598 [2021-06-01 19:53:11,517 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:11,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:11,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:11,585 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:11,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 98 [2021-06-01 19:53:11,651 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2021-06-01 19:53:14,011 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 606 DAG size of output: 586 [2021-06-01 19:53:14,012 INFO L628 ElimStorePlain]: treesize reduction 201, result has 91.0 percent of original size [2021-06-01 19:53:14,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:14,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:14,076 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:14,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 75 [2021-06-01 19:53:14,127 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 6 xjuncts. [2021-06-01 19:53:16,422 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 589 DAG size of output: 574 [2021-06-01 19:53:16,423 INFO L628 ElimStorePlain]: treesize reduction 211, result has 90.5 percent of original size [2021-06-01 19:53:16,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:16,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:16,496 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-01 19:53:16,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 48 [2021-06-01 19:53:16,500 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-01 19:53:17,656 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 577 [2021-06-01 19:53:17,656 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:17,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:17,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:17,730 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:17,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 90 [2021-06-01 19:53:17,770 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 2 xjuncts. [2021-06-01 19:53:21,378 WARN L205 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 579 DAG size of output: 564 [2021-06-01 19:53:21,379 INFO L628 ElimStorePlain]: treesize reduction 118, result has 94.4 percent of original size [2021-06-01 19:53:21,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:21,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:21,450 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-01 19:53:21,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 55 [2021-06-01 19:53:21,455 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-01 19:53:22,608 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 570 [2021-06-01 19:53:22,608 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:22,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:22,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:22,690 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:22,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 98 [2021-06-01 19:53:22,772 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 5 xjuncts. [2021-06-01 19:53:26,565 WARN L205 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 584 DAG size of output: 558 [2021-06-01 19:53:26,566 INFO L628 ElimStorePlain]: treesize reduction 341, result has 85.4 percent of original size [2021-06-01 19:53:26,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:26,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:26,638 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-01 19:53:26,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 66 [2021-06-01 19:53:26,642 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-01 19:53:27,904 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 567 [2021-06-01 19:53:27,904 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:27,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:27,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:27,966 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:27,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 141 treesize of output 125 [2021-06-01 19:53:28,002 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 3 xjuncts. [2021-06-01 19:53:30,528 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 577 DAG size of output: 549 [2021-06-01 19:53:30,530 INFO L628 ElimStorePlain]: treesize reduction 236, result has 89.4 percent of original size [2021-06-01 19:53:30,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:30,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:30,593 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-01 19:53:30,593 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 63 [2021-06-01 19:53:30,597 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-01 19:53:31,826 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 553 [2021-06-01 19:53:31,827 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:31,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:31,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:31,906 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-01 19:53:31,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 48 [2021-06-01 19:53:31,910 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-01 19:53:33,129 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 557 [2021-06-01 19:53:33,129 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:33,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:33,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:33,191 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:33,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 90 [2021-06-01 19:53:33,221 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 3 xjuncts. [2021-06-01 19:53:35,747 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 556 DAG size of output: 546 [2021-06-01 19:53:35,748 INFO L628 ElimStorePlain]: treesize reduction 91, result has 95.6 percent of original size [2021-06-01 19:53:35,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:35,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:35,816 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-01 19:53:35,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 55 [2021-06-01 19:53:35,821 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-01 19:53:37,062 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 550 [2021-06-01 19:53:37,062 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:37,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:37,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:37,134 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-01 19:53:37,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 48 [2021-06-01 19:53:37,138 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-01 19:53:38,444 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 551 [2021-06-01 19:53:38,445 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:38,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:38,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:38,503 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:38,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 102 treesize of output 98 [2021-06-01 19:53:38,550 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 2 xjuncts. [2021-06-01 19:53:41,001 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 568 DAG size of output: 539 [2021-06-01 19:53:41,002 INFO L628 ElimStorePlain]: treesize reduction 265, result has 88.3 percent of original size [2021-06-01 19:53:41,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:41,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:41,064 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:41,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 75 [2021-06-01 19:53:41,089 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 3 xjuncts. [2021-06-01 19:53:43,720 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 545 DAG size of output: 526 [2021-06-01 19:53:43,721 INFO L628 ElimStorePlain]: treesize reduction 185, result has 91.4 percent of original size [2021-06-01 19:53:43,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:43,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:43,790 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-01 19:53:43,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 63 [2021-06-01 19:53:43,794 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-01 19:53:45,105 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 531 [2021-06-01 19:53:45,105 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:45,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:45,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:45,181 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-01 19:53:45,181 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 52 treesize of output 48 [2021-06-01 19:53:45,185 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-01 19:53:46,485 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 535 [2021-06-01 19:53:46,485 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:46,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:46,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:46,545 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:46,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 100 treesize of output 98 [2021-06-01 19:53:46,573 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 4 xjuncts. [2021-06-01 19:53:49,216 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 538 DAG size of output: 523 [2021-06-01 19:53:49,217 INFO L628 ElimStorePlain]: treesize reduction 174, result has 92.0 percent of original size [2021-06-01 19:53:49,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:49,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:49,281 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:49,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 90 [2021-06-01 19:53:49,333 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 6 xjuncts. [2021-06-01 19:53:51,958 WARN L205 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 533 DAG size of output: 509 [2021-06-01 19:53:51,959 INFO L628 ElimStorePlain]: treesize reduction 292, result has 87.0 percent of original size [2021-06-01 19:53:51,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:51,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:52,017 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:52,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 84 [2021-06-01 19:53:52,046 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 4 xjuncts. [2021-06-01 19:53:54,689 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 512 DAG size of output: 500 [2021-06-01 19:53:54,690 INFO L628 ElimStorePlain]: treesize reduction 130, result has 93.7 percent of original size [2021-06-01 19:53:54,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:54,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:54,747 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:54,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 75 [2021-06-01 19:53:54,770 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2021-06-01 19:53:57,234 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 497 DAG size of output: 490 [2021-06-01 19:53:57,235 INFO L628 ElimStorePlain]: treesize reduction 69, result has 96.5 percent of original size [2021-06-01 19:53:57,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:57,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:57,289 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:53:57,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 100 treesize of output 98 [2021-06-01 19:53:57,318 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 5 xjuncts. [2021-06-01 19:53:59,839 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 495 DAG size of output: 477 [2021-06-01 19:53:59,840 INFO L628 ElimStorePlain]: treesize reduction 240, result has 88.8 percent of original size [2021-06-01 19:53:59,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:59,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:53:59,907 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-01 19:53:59,907 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 48 [2021-06-01 19:53:59,911 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:01,128 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 476 [2021-06-01 19:54:01,128 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:01,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:01,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:01,188 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-01 19:54:01,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 59 [2021-06-01 19:54:01,192 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:02,467 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 481 [2021-06-01 19:54:02,468 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:02,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:02,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:02,523 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:02,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 75 [2021-06-01 19:54:02,548 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 2 xjuncts. [2021-06-01 19:54:05,128 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 474 DAG size of output: 471 [2021-06-01 19:54:05,129 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.6 percent of original size [2021-06-01 19:54:05,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:05,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:05,187 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:05,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 97 [2021-06-01 19:54:05,226 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 4 xjuncts. [2021-06-01 19:54:09,031 WARN L205 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 480 DAG size of output: 457 [2021-06-01 19:54:09,032 INFO L628 ElimStorePlain]: treesize reduction 210, result has 89.9 percent of original size [2021-06-01 19:54:09,198 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-0 vars, 48 dim-1 vars, End of recursive call: 24 dim-0 vars, and 24 xjuncts. [2021-06-01 19:54:09,199 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 72 variables, input treesize:2209, output treesize:1876 [2021-06-01 19:54:09,713 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 98 [2021-06-01 19:54:10,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:10,693 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:54:10,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:54:10,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:54:10,696 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:10,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:10,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:54:10,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-01 19:54:10,704 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:10,810 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 43 [2021-06-01 19:54:10,811 INFO L628 ElimStorePlain]: treesize reduction 111, result has 45.0 percent of original size [2021-06-01 19:54:10,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:10,815 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:54:10,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-01 19:54:10,817 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:10,848 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:10,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-01 19:54:10,854 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:10,880 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:10,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:10,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:54:10,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-01 19:54:10,886 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:10,907 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:10,910 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:54:10,910 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:237, output treesize:5 [2021-06-01 19:54:10,918 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:54:10,918 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004523762] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:54:10,918 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:54:10,919 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-06-01 19:54:10,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840804426] [2021-06-01 19:54:10,919 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-01 19:54:10,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:54:10,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-01 19:54:10,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2021-06-01 19:54:10,920 INFO L87 Difference]: Start difference. First operand 4865 states and 17455 transitions. Second operand has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:54:11,423 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2021-06-01 19:54:11,745 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2021-06-01 19:54:12,027 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 78 [2021-06-01 19:54:12,617 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2021-06-01 19:54:12,902 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 83 [2021-06-01 19:54:13,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:54:13,056 INFO L93 Difference]: Finished difference Result 7016 states and 24575 transitions. [2021-06-01 19:54:13,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-01 19:54:13,057 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-01 19:54:13,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:54:13,068 INFO L225 Difference]: With dead ends: 7016 [2021-06-01 19:54:13,069 INFO L226 Difference]: Without dead ends: 6825 [2021-06-01 19:54:13,069 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 3665.9ms TimeCoverageRelationStatistics Valid=129, Invalid=741, Unknown=0, NotChecked=0, Total=870 [2021-06-01 19:54:13,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6825 states. [2021-06-01 19:54:13,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6825 to 5010. [2021-06-01 19:54:13,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5010 states, 5009 states have (on average 3.577560391295668) internal successors, (17920), 5009 states have internal predecessors, (17920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:54:13,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5010 states to 5010 states and 17920 transitions. [2021-06-01 19:54:13,190 INFO L78 Accepts]: Start accepts. Automaton has 5010 states and 17920 transitions. Word has length 33 [2021-06-01 19:54:13,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:54:13,190 INFO L482 AbstractCegarLoop]: Abstraction has 5010 states and 17920 transitions. [2021-06-01 19:54:13,191 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:54:13,191 INFO L276 IsEmpty]: Start isEmpty. Operand 5010 states and 17920 transitions. [2021-06-01 19:54:13,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-01 19:54:13,202 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:54:13,202 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:54:13,417 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable471,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:54:13,417 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:54:13,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:54:13,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1751058778, now seen corresponding path program 16 times [2021-06-01 19:54:13,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:54:13,417 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643260255] [2021-06-01 19:54:13,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:54:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:54:13,748 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 45 [2021-06-01 19:54:14,002 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 40 [2021-06-01 19:54:14,167 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:54:14,167 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:54:14,167 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643260255] [2021-06-01 19:54:14,167 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643260255] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:54:14,167 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020220658] [2021-06-01 19:54:14,167 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:54:14,196 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-01 19:54:14,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:54:14,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-01 19:54:14,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:54:14,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:54:14,335 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:14,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:54:14,340 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:14,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:54:14,345 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:14,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:54:14,351 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:14,433 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:14,434 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-01 19:54:14,435 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:277, output treesize:273 [2021-06-01 19:54:14,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:14,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:54:14,555 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:14,652 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:14,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:14,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:54:14,660 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:14,737 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:14,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:14,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:54:14,745 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:14,820 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:14,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:14,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:54:14,828 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:14,905 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:14,906 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-01 19:54:14,906 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:309, output treesize:305 [2021-06-01 19:54:15,231 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-01 19:54:15,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:15,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-01 19:54:15,266 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:15,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:15,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-01 19:54:15,272 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:15,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:15,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2021-06-01 19:54:15,278 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:15,586 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2021-06-01 19:54:15,587 INFO L628 ElimStorePlain]: treesize reduction 234, result has 72.4 percent of original size [2021-06-01 19:54:15,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:15,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-01 19:54:15,594 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:15,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:15,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-01 19:54:15,601 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:15,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:15,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-01 19:54:15,607 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:15,737 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-06-01 19:54:15,737 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:15,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:15,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-01 19:54:15,743 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:15,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:15,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-01 19:54:15,749 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:15,885 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-06-01 19:54:15,885 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:15,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:15,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-01 19:54:15,891 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:15,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:15,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-01 19:54:15,896 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:15,999 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-06-01 19:54:15,999 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:16,001 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-06-01 19:54:16,001 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 4 variables, input treesize:909, output treesize:443 [2021-06-01 19:54:16,135 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-06-01 19:54:16,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:54:16,631 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:16,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:54:16,653 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:16,673 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 27 treesize of output 17 [2021-06-01 19:54:16,675 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:16,691 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 27 treesize of output 17 [2021-06-01 19:54:16,693 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:17,675 WARN L205 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2021-06-01 19:54:17,675 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:17,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-01 19:54:17,691 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:17,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-01 19:54:17,703 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:18,107 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 5 [2021-06-01 19:54:18,107 INFO L628 ElimStorePlain]: treesize reduction 1657, result has 0.3 percent of original size [2021-06-01 19:54:18,107 INFO L518 ElimStorePlain]: Eliminatee v_prenex_260 vanished before elimination [2021-06-01 19:54:18,107 INFO L518 ElimStorePlain]: Eliminatee v_prenex_272 vanished before elimination [2021-06-01 19:54:18,107 INFO L518 ElimStorePlain]: Eliminatee v_prenex_261 vanished before elimination [2021-06-01 19:54:18,107 INFO L518 ElimStorePlain]: Eliminatee v_prenex_262 vanished before elimination [2021-06-01 19:54:18,108 INFO L518 ElimStorePlain]: Eliminatee v_prenex_273 vanished before elimination [2021-06-01 19:54:18,108 INFO L518 ElimStorePlain]: Eliminatee v_prenex_274 vanished before elimination [2021-06-01 19:54:18,108 INFO L518 ElimStorePlain]: Eliminatee v_prenex_263 vanished before elimination [2021-06-01 19:54:18,108 INFO L518 ElimStorePlain]: Eliminatee v_prenex_264 vanished before elimination [2021-06-01 19:54:18,108 INFO L518 ElimStorePlain]: Eliminatee v_prenex_275 vanished before elimination [2021-06-01 19:54:18,108 INFO L518 ElimStorePlain]: Eliminatee v_prenex_265 vanished before elimination [2021-06-01 19:54:18,108 INFO L518 ElimStorePlain]: Eliminatee v_prenex_266 vanished before elimination [2021-06-01 19:54:18,108 INFO L518 ElimStorePlain]: Eliminatee v_prenex_267 vanished before elimination [2021-06-01 19:54:18,108 INFO L518 ElimStorePlain]: Eliminatee v_prenex_268 vanished before elimination [2021-06-01 19:54:18,108 INFO L518 ElimStorePlain]: Eliminatee v_prenex_269 vanished before elimination [2021-06-01 19:54:18,108 INFO L518 ElimStorePlain]: Eliminatee v_prenex_258 vanished before elimination [2021-06-01 19:54:18,108 INFO L518 ElimStorePlain]: Eliminatee v_prenex_259 vanished before elimination [2021-06-01 19:54:18,108 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-01 19:54:18,108 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-01 19:54:18,109 INFO L550 ElimStorePlain]: Start of recursive call 1: 20 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:54:18,109 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 20 variables, input treesize:1841, output treesize:5 [2021-06-01 19:54:18,118 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:54:18,118 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2020220658] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:54:18,118 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:54:18,118 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-01 19:54:18,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581597018] [2021-06-01 19:54:18,119 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-01 19:54:18,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:54:18,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-01 19:54:18,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2021-06-01 19:54:18,119 INFO L87 Difference]: Start difference. First operand 5010 states and 17920 transitions. Second operand has 21 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 20 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:54:18,518 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 54 [2021-06-01 19:54:18,776 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2021-06-01 19:54:18,962 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-06-01 19:54:19,167 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-06-01 19:54:19,429 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-06-01 19:54:19,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:54:19,494 INFO L93 Difference]: Finished difference Result 6698 states and 23616 transitions. [2021-06-01 19:54:19,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-01 19:54:19,494 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 20 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-01 19:54:19,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:54:19,510 INFO L225 Difference]: With dead ends: 6698 [2021-06-01 19:54:19,511 INFO L226 Difference]: Without dead ends: 6550 [2021-06-01 19:54:19,511 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 2062.1ms TimeCoverageRelationStatistics Valid=136, Invalid=566, Unknown=0, NotChecked=0, Total=702 [2021-06-01 19:54:19,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6550 states. [2021-06-01 19:54:19,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6550 to 5024. [2021-06-01 19:54:19,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5024 states, 5023 states have (on average 3.580728648218196) internal successors, (17986), 5023 states have internal predecessors, (17986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:54:19,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5024 states to 5024 states and 17986 transitions. [2021-06-01 19:54:19,625 INFO L78 Accepts]: Start accepts. Automaton has 5024 states and 17986 transitions. Word has length 33 [2021-06-01 19:54:19,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:54:19,626 INFO L482 AbstractCegarLoop]: Abstraction has 5024 states and 17986 transitions. [2021-06-01 19:54:19,626 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 20 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:54:19,626 INFO L276 IsEmpty]: Start isEmpty. Operand 5024 states and 17986 transitions. [2021-06-01 19:54:19,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-01 19:54:19,638 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:54:19,638 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:54:19,859 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1130,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:54:19,859 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:54:19,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:54:19,860 INFO L82 PathProgramCache]: Analyzing trace with hash -320803294, now seen corresponding path program 17 times [2021-06-01 19:54:19,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:54:19,860 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297682403] [2021-06-01 19:54:19,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:54:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:54:20,226 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 39 [2021-06-01 19:54:20,454 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 46 [2021-06-01 19:54:20,649 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 39 [2021-06-01 19:54:20,755 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:54:20,755 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:54:20,756 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297682403] [2021-06-01 19:54:20,756 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297682403] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:54:20,756 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881510208] [2021-06-01 19:54:20,756 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:54:20,786 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-01 19:54:20,786 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:54:20,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-01 19:54:20,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:54:20,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:54:20,879 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:20,890 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:20,891 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:54:20,891 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-06-01 19:54:21,345 INFO L446 ElimStorePlain]: Different costs {1=[v_C_28], 3=[A, B]} [2021-06-01 19:54:21,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:54:21,356 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:21,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:54:21,366 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:21,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:54:21,375 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:21,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:54:21,385 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:21,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:54:21,395 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:21,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:54:21,405 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:21,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:54:21,416 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:21,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:54:21,427 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:21,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:54:21,437 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:21,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:54:21,449 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:21,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:54:21,459 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:21,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:54:21,468 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:21,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:54:21,478 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:21,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:54:21,488 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:21,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:54:21,497 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:21,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:54:21,509 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:21,887 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-06-01 19:54:21,887 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:21,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-01 19:54:21,897 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:21,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-01 19:54:21,937 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:21,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-01 19:54:21,947 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:21,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,956 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 61 treesize of output 39 [2021-06-01 19:54:21,957 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:21,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-01 19:54:21,968 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:21,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,977 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 57 treesize of output 39 [2021-06-01 19:54:21,978 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:21,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-01 19:54:21,987 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:21,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:21,996 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 57 treesize of output 39 [2021-06-01 19:54:21,998 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,007 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 61 treesize of output 39 [2021-06-01 19:54:22,008 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-01 19:54:22,019 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-01 19:54:22,029 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-01 19:54:22,040 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,048 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 57 treesize of output 39 [2021-06-01 19:54:22,049 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-01 19:54:22,060 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-01 19:54:22,070 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-01 19:54:22,078 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,322 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-06-01 19:54:22,322 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:22,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2021-06-01 19:54:22,332 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,341 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 59 treesize of output 35 [2021-06-01 19:54:22,342 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,351 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 69 treesize of output 41 [2021-06-01 19:54:22,352 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,361 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 69 treesize of output 41 [2021-06-01 19:54:22,362 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,371 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 55 treesize of output 35 [2021-06-01 19:54:22,373 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,382 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 57 treesize of output 33 [2021-06-01 19:54:22,383 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,392 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 63 treesize of output 39 [2021-06-01 19:54:22,393 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 41 [2021-06-01 19:54:22,403 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-06-01 19:54:22,414 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,422 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 53 treesize of output 33 [2021-06-01 19:54:22,424 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 35 [2021-06-01 19:54:22,437 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,447 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 59 treesize of output 35 [2021-06-01 19:54:22,448 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-06-01 19:54:22,457 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-06-01 19:54:22,468 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 41 [2021-06-01 19:54:22,477 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:22,483 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 57 treesize of output 33 [2021-06-01 19:54:22,484 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,577 INFO L628 ElimStorePlain]: treesize reduction 236, result has 35.0 percent of original size [2021-06-01 19:54:22,578 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-01 19:54:22,578 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 3 variables, input treesize:1425, output treesize:127 [2021-06-01 19:54:22,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-01 19:54:22,835 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-01 19:54:22,839 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,850 INFO L628 ElimStorePlain]: treesize reduction 93, result has 5.1 percent of original size [2021-06-01 19:54:22,850 INFO L518 ElimStorePlain]: Eliminatee v_prenex_276 vanished before elimination [2021-06-01 19:54:22,851 INFO L518 ElimStorePlain]: Eliminatee v_prenex_277 vanished before elimination [2021-06-01 19:54:22,851 INFO L518 ElimStorePlain]: Eliminatee v_prenex_278 vanished before elimination [2021-06-01 19:54:22,851 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:54:22,851 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-01 19:54:22,856 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:54:22,856 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881510208] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:54:22,856 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:54:22,856 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2021-06-01 19:54:22,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348567707] [2021-06-01 19:54:22,857 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-01 19:54:22,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:54:22,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-01 19:54:22,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2021-06-01 19:54:22,857 INFO L87 Difference]: Start difference. First operand 5024 states and 17986 transitions. Second operand has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:54:23,740 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2021-06-01 19:54:23,963 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2021-06-01 19:54:24,370 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 81 [2021-06-01 19:54:24,777 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2021-06-01 19:54:25,086 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2021-06-01 19:54:25,372 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2021-06-01 19:54:25,507 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2021-06-01 19:54:25,745 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2021-06-01 19:54:26,106 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2021-06-01 19:54:26,311 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2021-06-01 19:54:26,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:54:26,683 INFO L93 Difference]: Finished difference Result 9838 states and 33027 transitions. [2021-06-01 19:54:26,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-01 19:54:26,683 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-01 19:54:26,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:54:26,699 INFO L225 Difference]: With dead ends: 9838 [2021-06-01 19:54:26,699 INFO L226 Difference]: Without dead ends: 9476 [2021-06-01 19:54:26,700 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 3615.6ms TimeCoverageRelationStatistics Valid=445, Invalid=1811, Unknown=0, NotChecked=0, Total=2256 [2021-06-01 19:54:26,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9476 states. [2021-06-01 19:54:26,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9476 to 5662. [2021-06-01 19:54:26,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5662 states, 5661 states have (on average 3.5786963434022256) internal successors, (20259), 5661 states have internal predecessors, (20259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:54:26,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5662 states to 5662 states and 20259 transitions. [2021-06-01 19:54:26,846 INFO L78 Accepts]: Start accepts. Automaton has 5662 states and 20259 transitions. Word has length 33 [2021-06-01 19:54:26,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:54:26,846 INFO L482 AbstractCegarLoop]: Abstraction has 5662 states and 20259 transitions. [2021-06-01 19:54:26,846 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:54:26,846 INFO L276 IsEmpty]: Start isEmpty. Operand 5662 states and 20259 transitions. [2021-06-01 19:54:26,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-01 19:54:26,858 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:54:26,858 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:54:27,072 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1258,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:54:27,073 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:54:27,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:54:27,073 INFO L82 PathProgramCache]: Analyzing trace with hash 875509148, now seen corresponding path program 18 times [2021-06-01 19:54:27,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:54:27,073 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556985620] [2021-06-01 19:54:27,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:54:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:54:27,681 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:54:27,681 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:54:27,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556985620] [2021-06-01 19:54:27,681 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556985620] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:54:27,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144035692] [2021-06-01 19:54:27,681 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:54:27,712 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-01 19:54:27,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:54:27,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-01 19:54:27,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:54:27,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:54:27,808 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:27,819 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:27,819 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:54:27,819 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-01 19:54:28,167 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-06-01 19:54:29,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-01 19:54:29,042 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-01 19:54:29,051 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-01 19:54:29,060 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-01 19:54:29,070 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-01 19:54:29,081 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-01 19:54:29,091 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-01 19:54:29,101 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,112 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 43 treesize of output 29 [2021-06-01 19:54:29,114 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,127 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 52 treesize of output 36 [2021-06-01 19:54:29,129 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-01 19:54:29,141 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,153 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 43 treesize of output 29 [2021-06-01 19:54:29,155 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-01 19:54:29,168 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-01 19:54:29,184 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-01 19:54:29,198 INFO L550 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,213 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 43 treesize of output 29 [2021-06-01 19:54:29,215 INFO L550 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-01 19:54:29,235 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-01 19:54:29,254 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-01 19:54:29,275 INFO L550 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,298 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 41 treesize of output 29 [2021-06-01 19:54:29,300 INFO L550 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,315 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 50 treesize of output 36 [2021-06-01 19:54:29,318 INFO L550 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,338 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 50 treesize of output 36 [2021-06-01 19:54:29,340 INFO L550 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,358 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 50 treesize of output 36 [2021-06-01 19:54:29,360 INFO L550 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-01 19:54:29,379 INFO L550 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,394 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 50 treesize of output 36 [2021-06-01 19:54:29,396 INFO L550 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-01 19:54:29,415 INFO L550 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-01 19:54:29,447 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,465 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 52 treesize of output 36 [2021-06-01 19:54:29,467 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,501 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 41 treesize of output 29 [2021-06-01 19:54:29,503 INFO L550 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,522 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 50 treesize of output 36 [2021-06-01 19:54:29,524 INFO L550 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,544 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 [2021-06-01 19:54:29,546 INFO L550 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-01 19:54:29,572 INFO L550 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:29,595 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 43 treesize of output 29 [2021-06-01 19:54:29,600 INFO L550 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:31,247 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 265 [2021-06-01 19:54:31,247 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:31,279 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 46 treesize of output 30 [2021-06-01 19:54:31,281 INFO L550 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:31,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-01 19:54:31,314 INFO L550 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:31,354 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 37 treesize of output 25 [2021-06-01 19:54:31,356 INFO L550 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:31,385 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 52 treesize of output 34 [2021-06-01 19:54:31,387 INFO L550 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:31,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-01 19:54:31,419 INFO L550 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:31,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-06-01 19:54:31,447 INFO L550 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:31,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-01 19:54:31,477 INFO L550 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:31,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-01 19:54:31,512 INFO L550 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:31,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-01 19:54:31,544 INFO L550 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:31,580 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 39 treesize of output 25 [2021-06-01 19:54:31,582 INFO L550 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:31,610 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 39 treesize of output 25 [2021-06-01 19:54:31,612 INFO L550 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:31,642 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 52 treesize of output 34 [2021-06-01 19:54:31,644 INFO L550 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:31,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-06-01 19:54:31,678 INFO L550 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:31,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-01 19:54:31,718 INFO L550 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:31,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-01 19:54:31,750 INFO L550 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:31,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-01 19:54:31,783 INFO L550 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:31,813 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 50 treesize of output 34 [2021-06-01 19:54:31,816 INFO L550 ElimStorePlain]: Start of recursive call 50: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:31,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-01 19:54:31,848 INFO L550 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:31,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-01 19:54:31,879 INFO L550 ElimStorePlain]: Start of recursive call 52: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:31,910 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 44 treesize of output 30 [2021-06-01 19:54:31,912 INFO L550 ElimStorePlain]: Start of recursive call 53: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:31,941 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 44 treesize of output 30 [2021-06-01 19:54:31,944 INFO L550 ElimStorePlain]: Start of recursive call 54: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:31,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-01 19:54:31,975 INFO L550 ElimStorePlain]: Start of recursive call 55: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:32,007 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 44 treesize of output 30 [2021-06-01 19:54:32,009 INFO L550 ElimStorePlain]: Start of recursive call 56: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:32,041 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 50 treesize of output 34 [2021-06-01 19:54:32,044 INFO L550 ElimStorePlain]: Start of recursive call 57: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:32,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-01 19:54:32,078 INFO L550 ElimStorePlain]: Start of recursive call 58: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:32,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-01 19:54:32,112 INFO L550 ElimStorePlain]: Start of recursive call 59: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:32,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-01 19:54:32,143 INFO L550 ElimStorePlain]: Start of recursive call 60: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:32,171 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 39 treesize of output 25 [2021-06-01 19:54:32,173 INFO L550 ElimStorePlain]: Start of recursive call 61: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:32,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-01 19:54:32,208 INFO L550 ElimStorePlain]: Start of recursive call 62: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:32,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-06-01 19:54:32,240 INFO L550 ElimStorePlain]: Start of recursive call 63: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:32,268 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 50 treesize of output 34 [2021-06-01 19:54:32,270 INFO L550 ElimStorePlain]: Start of recursive call 64: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:32,293 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 37 treesize of output 25 [2021-06-01 19:54:32,295 INFO L550 ElimStorePlain]: Start of recursive call 65: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:54:33,955 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 327 [2021-06-01 19:54:33,956 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:33,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-01 19:54:33,988 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-01 19:54:34,023 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,052 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 21 treesize of output 21 [2021-06-01 19:54:34,053 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,084 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 16 treesize of output 18 [2021-06-01 19:54:34,085 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-01 19:54:34,126 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-01 19:54:34,160 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-01 19:54:34,204 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-01 19:54:34,248 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-01 19:54:34,289 INFO L550 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-01 19:54:34,330 INFO L550 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,371 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 [2021-06-01 19:54:34,373 INFO L550 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-01 19:54:34,410 INFO L550 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-01 19:54:34,443 INFO L550 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-01 19:54:34,474 INFO L550 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-01 19:54:34,505 INFO L550 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-06-01 19:54:34,536 INFO L550 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,566 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 17 treesize of output 19 [2021-06-01 19:54:34,567 INFO L550 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-01 19:54:34,599 INFO L550 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-06-01 19:54:34,629 INFO L550 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-01 19:54:34,661 INFO L550 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-01 19:54:34,692 INFO L550 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-01 19:54:34,725 INFO L550 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,755 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 21 treesize of output 21 [2021-06-01 19:54:34,756 INFO L550 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,787 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 21 treesize of output 21 [2021-06-01 19:54:34,789 INFO L550 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,829 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 21 treesize of output 21 [2021-06-01 19:54:34,831 INFO L550 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-06-01 19:54:34,863 INFO L550 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-01 19:54:34,895 INFO L550 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-06-01 19:54:34,927 INFO L550 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-01 19:54:34,961 INFO L550 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:34,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-01 19:54:34,994 INFO L550 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:35,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-01 19:54:35,026 INFO L550 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:35,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-01 19:54:35,056 INFO L550 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:35,538 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-06-01 19:54:35,538 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:35,551 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 16 xjuncts. [2021-06-01 19:54:35,551 INFO L247 ElimStorePlain]: Needed 97 recursive calls to eliminate 3 variables, input treesize:2241, output treesize:382 [2021-06-01 19:54:35,700 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 25 [2021-06-01 19:54:35,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-01 19:54:35,740 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:35,754 INFO L628 ElimStorePlain]: treesize reduction 108, result has 4.4 percent of original size [2021-06-01 19:54:35,754 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-06-01 19:54:35,755 INFO L518 ElimStorePlain]: Eliminatee v_prenex_281 vanished before elimination [2021-06-01 19:54:35,755 INFO L518 ElimStorePlain]: Eliminatee v_prenex_279 vanished before elimination [2021-06-01 19:54:35,755 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:54:35,755 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-01 19:54:35,760 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:54:35,760 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144035692] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:54:35,760 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:54:35,760 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-06-01 19:54:35,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307777825] [2021-06-01 19:54:35,761 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-01 19:54:35,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:54:35,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-01 19:54:35,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=448, Unknown=0, NotChecked=0, Total=552 [2021-06-01 19:54:35,762 INFO L87 Difference]: Start difference. First operand 5662 states and 20259 transitions. Second operand has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:54:36,319 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2021-06-01 19:54:36,533 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2021-06-01 19:54:36,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:54:36,874 INFO L93 Difference]: Finished difference Result 7340 states and 25658 transitions. [2021-06-01 19:54:36,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-01 19:54:36,874 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-01 19:54:36,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:54:36,886 INFO L225 Difference]: With dead ends: 7340 [2021-06-01 19:54:36,886 INFO L226 Difference]: Without dead ends: 7145 [2021-06-01 19:54:36,887 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 1422.0ms TimeCoverageRelationStatistics Valid=166, Invalid=764, Unknown=0, NotChecked=0, Total=930 [2021-06-01 19:54:36,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7145 states. [2021-06-01 19:54:36,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7145 to 5610. [2021-06-01 19:54:36,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5610 states, 5609 states have (on average 3.5785344981280085) internal successors, (20072), 5609 states have internal predecessors, (20072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:54:36,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5610 states to 5610 states and 20072 transitions. [2021-06-01 19:54:36,982 INFO L78 Accepts]: Start accepts. Automaton has 5610 states and 20072 transitions. Word has length 33 [2021-06-01 19:54:36,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:54:36,982 INFO L482 AbstractCegarLoop]: Abstraction has 5610 states and 20072 transitions. [2021-06-01 19:54:36,983 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:54:36,983 INFO L276 IsEmpty]: Start isEmpty. Operand 5610 states and 20072 transitions. [2021-06-01 19:54:36,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-01 19:54:36,992 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:54:36,992 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:54:37,193 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1305 [2021-06-01 19:54:37,193 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:54:37,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:54:37,194 INFO L82 PathProgramCache]: Analyzing trace with hash 129571106, now seen corresponding path program 19 times [2021-06-01 19:54:37,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:54:37,194 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433372319] [2021-06-01 19:54:37,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:54:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:54:37,615 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 53 [2021-06-01 19:54:37,843 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:54:37,843 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:54:37,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433372319] [2021-06-01 19:54:37,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433372319] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:54:37,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092669681] [2021-06-01 19:54:37,843 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:54:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:54:37,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-01 19:54:37,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:54:38,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:54:38,006 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:38,017 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:38,018 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:54:38,018 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-06-01 19:54:38,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:38,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:54:38,112 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:38,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:38,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:54:38,120 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:38,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:38,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:54:38,128 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:38,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:38,134 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 30 treesize of output 32 [2021-06-01 19:54:38,136 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:38,218 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:38,220 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-01 19:54:38,220 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:285, output treesize:281 [2021-06-01 19:54:38,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:38,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:38,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-01 19:54:38,539 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:38,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:38,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:38,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-01 19:54:38,551 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:38,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:38,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:38,562 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 61 treesize of output 39 [2021-06-01 19:54:38,563 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:38,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:38,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:38,571 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 61 treesize of output 39 [2021-06-01 19:54:38,572 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:39,024 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-06-01 19:54:39,024 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:39,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:39,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:39,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 35 [2021-06-01 19:54:39,036 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:39,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:39,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:39,048 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 69 treesize of output 41 [2021-06-01 19:54:39,049 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:39,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:39,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:39,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2021-06-01 19:54:39,062 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:39,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:39,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:39,070 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 65 treesize of output 41 [2021-06-01 19:54:39,071 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:39,830 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2021-06-01 19:54:39,831 INFO L628 ElimStorePlain]: treesize reduction 26, result has 97.6 percent of original size [2021-06-01 19:54:39,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:39,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:39,842 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 [2021-06-01 19:54:39,843 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:39,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:39,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:39,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-01 19:54:39,856 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:39,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:39,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:39,867 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 [2021-06-01 19:54:39,868 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:39,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:39,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:39,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-01 19:54:39,877 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:40,210 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-06-01 19:54:40,210 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:40,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:40,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:40,221 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 [2021-06-01 19:54:40,222 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:40,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:40,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:40,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 35 [2021-06-01 19:54:40,235 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:40,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:40,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:40,245 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 59 treesize of output 35 [2021-06-01 19:54:40,247 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:40,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:40,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:40,254 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 69 treesize of output 41 [2021-06-01 19:54:40,256 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:40,393 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 25 [2021-06-01 19:54:40,394 INFO L628 ElimStorePlain]: treesize reduction 702, result has 13.2 percent of original size [2021-06-01 19:54:40,394 INFO L518 ElimStorePlain]: Eliminatee v_prenex_284 vanished before elimination [2021-06-01 19:54:40,394 INFO L518 ElimStorePlain]: Eliminatee v_prenex_285 vanished before elimination [2021-06-01 19:54:40,394 INFO L518 ElimStorePlain]: Eliminatee v_prenex_286 vanished before elimination [2021-06-01 19:54:40,394 INFO L518 ElimStorePlain]: Eliminatee v_prenex_287 vanished before elimination [2021-06-01 19:54:40,395 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-01 19:54:40,395 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 8 variables, input treesize:1329, output treesize:107 [2021-06-01 19:54:40,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-01 19:54:40,618 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:40,632 INFO L628 ElimStorePlain]: treesize reduction 108, result has 4.4 percent of original size [2021-06-01 19:54:40,633 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-06-01 19:54:40,633 INFO L518 ElimStorePlain]: Eliminatee v_prenex_288 vanished before elimination [2021-06-01 19:54:40,633 INFO L518 ElimStorePlain]: Eliminatee v_prenex_289 vanished before elimination [2021-06-01 19:54:40,633 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:54:40,633 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-01 19:54:40,639 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:54:40,639 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092669681] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:54:40,639 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:54:40,639 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-01 19:54:40,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432777278] [2021-06-01 19:54:40,639 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-01 19:54:40,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:54:40,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-01 19:54:40,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2021-06-01 19:54:40,640 INFO L87 Difference]: Start difference. First operand 5610 states and 20072 transitions. Second operand has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:54:41,040 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 48 [2021-06-01 19:54:41,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:54:41,319 INFO L93 Difference]: Finished difference Result 7215 states and 25241 transitions. [2021-06-01 19:54:41,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-01 19:54:41,320 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-01 19:54:41,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:54:41,332 INFO L225 Difference]: With dead ends: 7215 [2021-06-01 19:54:41,332 INFO L226 Difference]: Without dead ends: 7120 [2021-06-01 19:54:41,332 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1247.2ms TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2021-06-01 19:54:41,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7120 states. [2021-06-01 19:54:41,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7120 to 5721. [2021-06-01 19:54:41,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5721 states, 5720 states have (on average 3.573776223776224) internal successors, (20442), 5720 states have internal predecessors, (20442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:54:41,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5721 states to 5721 states and 20442 transitions. [2021-06-01 19:54:41,426 INFO L78 Accepts]: Start accepts. Automaton has 5721 states and 20442 transitions. Word has length 33 [2021-06-01 19:54:41,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:54:41,426 INFO L482 AbstractCegarLoop]: Abstraction has 5721 states and 20442 transitions. [2021-06-01 19:54:41,426 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:54:41,426 INFO L276 IsEmpty]: Start isEmpty. Operand 5721 states and 20442 transitions. [2021-06-01 19:54:41,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-01 19:54:41,436 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:54:41,436 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:54:41,636 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1470,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:54:41,637 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:54:41,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:54:41,637 INFO L82 PathProgramCache]: Analyzing trace with hash 800704726, now seen corresponding path program 20 times [2021-06-01 19:54:41,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:54:41,637 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651259127] [2021-06-01 19:54:41,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:54:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:54:42,149 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:54:42,149 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:54:42,149 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651259127] [2021-06-01 19:54:42,149 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651259127] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:54:42,149 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868324841] [2021-06-01 19:54:42,149 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:54:42,196 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-01 19:54:42,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:54:42,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-01 19:54:42,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:54:42,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:54:42,301 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:42,312 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:42,312 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:54:42,312 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-01 19:54:42,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-01 19:54:42,395 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:42,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-01 19:54:42,402 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:42,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-01 19:54:42,408 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:42,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-01 19:54:42,413 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:42,482 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:42,483 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-01 19:54:42,483 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:253, output treesize:249 [2021-06-01 19:54:42,769 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-01 19:54:43,310 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 [2021-06-01 19:54:43,311 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:43,322 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 40 treesize of output 28 [2021-06-01 19:54:43,324 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:43,335 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 40 treesize of output 28 [2021-06-01 19:54:43,336 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:43,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 28 [2021-06-01 19:54:43,348 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:43,360 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 [2021-06-01 19:54:43,361 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:43,372 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 42 treesize of output 28 [2021-06-01 19:54:43,374 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:43,385 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 49 treesize of output 35 [2021-06-01 19:54:43,387 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:43,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-01 19:54:43,396 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:44,501 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 140 DAG size of output: 129 [2021-06-01 19:54:44,502 INFO L628 ElimStorePlain]: treesize reduction 500, result has 76.2 percent of original size [2021-06-01 19:54:44,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-01 19:54:44,514 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:44,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-01 19:54:44,525 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:44,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-01 19:54:44,537 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:44,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 28 [2021-06-01 19:54:44,548 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:44,558 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 51 treesize of output 35 [2021-06-01 19:54:44,559 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:44,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-06-01 19:54:44,572 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:44,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-06-01 19:54:44,583 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:44,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 28 [2021-06-01 19:54:44,593 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:45,484 WARN L205 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 121 [2021-06-01 19:54:45,484 INFO L628 ElimStorePlain]: treesize reduction 200, result has 86.4 percent of original size [2021-06-01 19:54:45,494 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 42 treesize of output 28 [2021-06-01 19:54:45,495 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:45,504 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 36 treesize of output 24 [2021-06-01 19:54:45,505 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:45,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-06-01 19:54:45,516 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:45,522 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 38 treesize of output 24 [2021-06-01 19:54:45,523 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:46,100 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 103 [2021-06-01 19:54:46,100 INFO L628 ElimStorePlain]: treesize reduction 302, result has 73.6 percent of original size [2021-06-01 19:54:46,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2021-06-01 19:54:46,110 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:46,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2021-06-01 19:54:46,120 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:46,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-01 19:54:46,130 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:46,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2021-06-01 19:54:46,136 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:46,262 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 27 [2021-06-01 19:54:46,262 INFO L628 ElimStorePlain]: treesize reduction 604, result has 13.8 percent of original size [2021-06-01 19:54:46,262 INFO L518 ElimStorePlain]: Eliminatee v_prenex_293 vanished before elimination [2021-06-01 19:54:46,262 INFO L518 ElimStorePlain]: Eliminatee v_prenex_294 vanished before elimination [2021-06-01 19:54:46,262 INFO L518 ElimStorePlain]: Eliminatee v_prenex_295 vanished before elimination [2021-06-01 19:54:46,262 INFO L518 ElimStorePlain]: Eliminatee v_prenex_296 vanished before elimination [2021-06-01 19:54:46,263 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-01 19:54:46,263 INFO L247 ElimStorePlain]: Needed 25 recursive calls to eliminate 8 variables, input treesize:2241, output treesize:97 [2021-06-01 19:54:46,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-01 19:54:46,363 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:46,364 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:54:46,365 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:46,385 INFO L628 ElimStorePlain]: treesize reduction 108, result has 4.4 percent of original size [2021-06-01 19:54:46,386 INFO L518 ElimStorePlain]: Eliminatee v_prenex_297 vanished before elimination [2021-06-01 19:54:46,386 INFO L518 ElimStorePlain]: Eliminatee v_prenex_298 vanished before elimination [2021-06-01 19:54:46,386 INFO L518 ElimStorePlain]: Eliminatee v_prenex_299 vanished before elimination [2021-06-01 19:54:46,386 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:54:46,386 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:155, output treesize:5 [2021-06-01 19:54:46,393 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:54:46,394 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868324841] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:54:46,394 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:54:46,394 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-01 19:54:46,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390457976] [2021-06-01 19:54:46,394 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-01 19:54:46,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:54:46,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-01 19:54:46,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2021-06-01 19:54:46,395 INFO L87 Difference]: Start difference. First operand 5721 states and 20442 transitions. Second operand has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:54:46,876 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 46 [2021-06-01 19:54:47,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:54:47,227 INFO L93 Difference]: Finished difference Result 8167 states and 28538 transitions. [2021-06-01 19:54:47,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-01 19:54:47,227 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-01 19:54:47,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:54:47,242 INFO L225 Difference]: With dead ends: 8167 [2021-06-01 19:54:47,242 INFO L226 Difference]: Without dead ends: 7964 [2021-06-01 19:54:47,242 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 1138.9ms TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2021-06-01 19:54:47,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7964 states. [2021-06-01 19:54:47,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7964 to 5826. [2021-06-01 19:54:47,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5826 states, 5825 states have (on average 3.568755364806867) internal successors, (20788), 5825 states have internal predecessors, (20788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:54:47,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5826 states to 5826 states and 20788 transitions. [2021-06-01 19:54:47,343 INFO L78 Accepts]: Start accepts. Automaton has 5826 states and 20788 transitions. Word has length 33 [2021-06-01 19:54:47,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:54:47,343 INFO L482 AbstractCegarLoop]: Abstraction has 5826 states and 20788 transitions. [2021-06-01 19:54:47,343 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:54:47,343 INFO L276 IsEmpty]: Start isEmpty. Operand 5826 states and 20788 transitions. [2021-06-01 19:54:47,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-01 19:54:47,352 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:54:47,352 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:54:47,552 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1529,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:54:47,553 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:54:47,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:54:47,553 INFO L82 PathProgramCache]: Analyzing trace with hash 834031778, now seen corresponding path program 21 times [2021-06-01 19:54:47,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:54:47,553 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505629568] [2021-06-01 19:54:47,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:54:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:54:47,943 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 44 [2021-06-01 19:54:48,287 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:54:48,287 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:54:48,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505629568] [2021-06-01 19:54:48,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505629568] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:54:48,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780678206] [2021-06-01 19:54:48,287 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:54:48,318 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-01 19:54:48,318 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:54:48,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-01 19:54:48,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:54:48,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:54:48,413 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:48,424 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:48,428 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:54:48,428 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-01 19:54:48,538 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-01 19:54:48,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-01 19:54:48,539 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:48,555 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-01 19:54:48,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-01 19:54:48,557 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:48,574 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-01 19:54:48,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-01 19:54:48,576 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:48,603 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-01 19:54:48,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-01 19:54:48,604 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:48,691 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:48,694 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-01 19:54:48,694 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:285, output treesize:281 [2021-06-01 19:54:49,477 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2021-06-01 19:54:49,695 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-06-01 19:54:49,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:49,835 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:54:49,837 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:54:49,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-01 19:54:49,838 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:49,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:49,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:54:49,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2021-06-01 19:54:49,846 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:50,327 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 113 [2021-06-01 19:54:50,327 INFO L628 ElimStorePlain]: treesize reduction 58, result has 92.4 percent of original size [2021-06-01 19:54:50,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:50,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:54:50,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:54:50,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-01 19:54:50,337 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:50,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:50,344 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 23 treesize of output 19 [2021-06-01 19:54:50,345 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:50,606 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-06-01 19:54:50,606 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:50,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:50,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-01 19:54:50,614 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:50,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:50,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:54:50,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-01 19:54:50,622 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:50,831 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-06-01 19:54:50,831 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:50,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:50,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-01 19:54:50,839 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:50,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:50,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:54:50,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-01 19:54:50,847 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:51,041 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-06-01 19:54:51,041 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:51,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:51,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-01 19:54:51,049 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:51,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:51,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:54:51,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-01 19:54:51,055 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:51,237 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-06-01 19:54:51,238 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:51,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:51,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:54:51,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:54:51,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-01 19:54:51,247 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:51,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:51,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-06-01 19:54:51,254 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:51,422 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-06-01 19:54:51,422 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:51,430 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: 6 dim-0 vars, and 12 xjuncts. [2021-06-01 19:54:51,430 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 12 variables, input treesize:799, output treesize:481 [2021-06-01 19:54:51,835 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 73 [2021-06-01 19:54:52,361 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_327, A, B, v_prenex_318, v_prenex_319, v_prenex_320, v_prenex_310, v_prenex_321, v_prenex_311, v_prenex_322, v_prenex_323, v_prenex_326], 3=[v_prenex_316, v_prenex_317, v_prenex_312, v_prenex_313, v_prenex_324, v_prenex_314, v_prenex_325, v_prenex_315]} [2021-06-01 19:54:52,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:54:52,380 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:52,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:54:52,397 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:52,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:54:52,415 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:52,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:54:52,430 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:53,467 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 256 [2021-06-01 19:54:53,467 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:53,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:54:53,484 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:53,500 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 29 treesize of output 17 [2021-06-01 19:54:53,501 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:53,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:54:53,518 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:53,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:54:53,530 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:54,449 WARN L205 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2021-06-01 19:54:54,450 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:54,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-01 19:54:54,466 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:54,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-01 19:54:54,477 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:54,841 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 5 [2021-06-01 19:54:54,842 INFO L628 ElimStorePlain]: treesize reduction 1621, result has 0.3 percent of original size [2021-06-01 19:54:54,842 INFO L518 ElimStorePlain]: Eliminatee v_prenex_318 vanished before elimination [2021-06-01 19:54:54,842 INFO L518 ElimStorePlain]: Eliminatee v_prenex_319 vanished before elimination [2021-06-01 19:54:54,842 INFO L518 ElimStorePlain]: Eliminatee v_prenex_320 vanished before elimination [2021-06-01 19:54:54,842 INFO L518 ElimStorePlain]: Eliminatee v_prenex_310 vanished before elimination [2021-06-01 19:54:54,842 INFO L518 ElimStorePlain]: Eliminatee v_prenex_321 vanished before elimination [2021-06-01 19:54:54,842 INFO L518 ElimStorePlain]: Eliminatee v_prenex_311 vanished before elimination [2021-06-01 19:54:54,842 INFO L518 ElimStorePlain]: Eliminatee v_prenex_322 vanished before elimination [2021-06-01 19:54:54,842 INFO L518 ElimStorePlain]: Eliminatee v_prenex_323 vanished before elimination [2021-06-01 19:54:54,842 INFO L518 ElimStorePlain]: Eliminatee v_prenex_326 vanished before elimination [2021-06-01 19:54:54,842 INFO L518 ElimStorePlain]: Eliminatee v_prenex_316 vanished before elimination [2021-06-01 19:54:54,842 INFO L518 ElimStorePlain]: Eliminatee v_prenex_317 vanished before elimination [2021-06-01 19:54:54,842 INFO L518 ElimStorePlain]: Eliminatee v_prenex_312 vanished before elimination [2021-06-01 19:54:54,842 INFO L518 ElimStorePlain]: Eliminatee v_prenex_313 vanished before elimination [2021-06-01 19:54:54,842 INFO L518 ElimStorePlain]: Eliminatee v_prenex_324 vanished before elimination [2021-06-01 19:54:54,842 INFO L518 ElimStorePlain]: Eliminatee v_prenex_314 vanished before elimination [2021-06-01 19:54:54,842 INFO L518 ElimStorePlain]: Eliminatee v_prenex_325 vanished before elimination [2021-06-01 19:54:54,842 INFO L518 ElimStorePlain]: Eliminatee v_prenex_315 vanished before elimination [2021-06-01 19:54:54,843 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 20 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:54:54,843 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 24 variables, input treesize:1937, output treesize:5 [2021-06-01 19:54:54,852 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:54:54,853 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780678206] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:54:54,853 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:54:54,853 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-06-01 19:54:54,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127677441] [2021-06-01 19:54:54,853 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-01 19:54:54,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:54:54,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-01 19:54:54,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=406, Unknown=0, NotChecked=0, Total=506 [2021-06-01 19:54:54,854 INFO L87 Difference]: Start difference. First operand 5826 states and 20788 transitions. Second operand has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 22 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:54:55,091 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-06-01 19:54:55,623 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 95 [2021-06-01 19:54:55,972 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 99 [2021-06-01 19:54:56,188 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-06-01 19:54:56,418 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-06-01 19:54:56,759 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-06-01 19:54:57,009 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-06-01 19:54:57,511 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 112 [2021-06-01 19:54:57,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:54:57,676 INFO L93 Difference]: Finished difference Result 7804 states and 27257 transitions. [2021-06-01 19:54:57,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-01 19:54:57,676 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 22 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-01 19:54:57,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:54:57,688 INFO L225 Difference]: With dead ends: 7804 [2021-06-01 19:54:57,688 INFO L226 Difference]: Without dead ends: 7616 [2021-06-01 19:54:57,688 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 3814.7ms TimeCoverageRelationStatistics Valid=188, Invalid=868, Unknown=0, NotChecked=0, Total=1056 [2021-06-01 19:54:57,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7616 states. [2021-06-01 19:54:57,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7616 to 5834. [2021-06-01 19:54:57,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5834 states, 5833 states have (on average 3.5739756557517572) internal successors, (20847), 5833 states have internal predecessors, (20847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:54:57,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5834 states to 5834 states and 20847 transitions. [2021-06-01 19:54:57,805 INFO L78 Accepts]: Start accepts. Automaton has 5834 states and 20847 transitions. Word has length 33 [2021-06-01 19:54:57,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:54:57,805 INFO L482 AbstractCegarLoop]: Abstraction has 5834 states and 20847 transitions. [2021-06-01 19:54:57,805 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 22 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:54:57,806 INFO L276 IsEmpty]: Start isEmpty. Operand 5834 states and 20847 transitions. [2021-06-01 19:54:57,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-01 19:54:57,814 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:54:57,814 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:54:58,015 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1692,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:54:58,015 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:54:58,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:54:58,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1088923614, now seen corresponding path program 22 times [2021-06-01 19:54:58,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:54:58,016 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555653840] [2021-06-01 19:54:58,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:54:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:54:58,444 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:54:58,445 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:54:58,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555653840] [2021-06-01 19:54:58,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555653840] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:54:58,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083149575] [2021-06-01 19:54:58,445 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:54:58,486 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-01 19:54:58,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:54:58,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-01 19:54:58,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:54:58,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:54:58,608 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:58,621 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:58,622 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:54:58,622 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-06-01 19:54:58,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:54:58,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:54:58,670 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:58,686 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:58,687 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:54:58,687 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-06-01 19:54:58,996 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 47 treesize of output 35 [2021-06-01 19:54:58,997 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-01 19:54:59,007 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-01 19:54:59,017 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,025 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 47 treesize of output 35 [2021-06-01 19:54:59,026 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2021-06-01 19:54:59,036 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,044 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 49 treesize of output 35 [2021-06-01 19:54:59,046 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2021-06-01 19:54:59,056 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-01 19:54:59,066 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-01 19:54:59,075 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-01 19:54:59,086 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,095 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 51 treesize of output 35 [2021-06-01 19:54:59,096 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-01 19:54:59,106 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-01 19:54:59,116 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-01 19:54:59,127 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-01 19:54:59,137 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-01 19:54:59,143 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,396 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-01 19:54:59,396 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:54:59,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-01 19:54:59,406 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-01 19:54:59,416 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-01 19:54:59,430 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2021-06-01 19:54:59,441 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,450 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 57 treesize of output 37 [2021-06-01 19:54:59,452 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,461 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 55 treesize of output 37 [2021-06-01 19:54:59,463 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2021-06-01 19:54:59,474 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-01 19:54:59,485 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2021-06-01 19:54:59,498 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 37 [2021-06-01 19:54:59,510 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2021-06-01 19:54:59,520 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,528 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 53 treesize of output 37 [2021-06-01 19:54:59,530 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-01 19:54:59,539 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,545 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 41 treesize of output 29 [2021-06-01 19:54:59,546 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-01 19:54:59,553 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,556 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 47 treesize of output 33 [2021-06-01 19:54:59,558 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,649 INFO L628 ElimStorePlain]: treesize reduction 157, result has 37.2 percent of original size [2021-06-01 19:54:59,650 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-01 19:54:59,650 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 2 variables, input treesize:1121, output treesize:93 [2021-06-01 19:54:59,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-01 19:54:59,876 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:54:59,879 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,896 INFO L628 ElimStorePlain]: treesize reduction 113, result has 4.2 percent of original size [2021-06-01 19:54:59,896 INFO L518 ElimStorePlain]: Eliminatee v_prenex_329 vanished before elimination [2021-06-01 19:54:59,896 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-06-01 19:54:59,896 INFO L518 ElimStorePlain]: Eliminatee v_prenex_330 vanished before elimination [2021-06-01 19:54:59,896 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:54:59,896 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:155, output treesize:5 [2021-06-01 19:54:59,901 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:54:59,902 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083149575] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:54:59,902 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:54:59,902 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-01 19:54:59,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992366137] [2021-06-01 19:54:59,902 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-01 19:54:59,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:54:59,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-01 19:54:59,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=346, Unknown=0, NotChecked=0, Total=420 [2021-06-01 19:54:59,903 INFO L87 Difference]: Start difference. First operand 5834 states and 20847 transitions. Second operand has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:55:00,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:55:00,423 INFO L93 Difference]: Finished difference Result 7356 states and 25813 transitions. [2021-06-01 19:55:00,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-01 19:55:00,423 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-01 19:55:00,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:55:00,436 INFO L225 Difference]: With dead ends: 7356 [2021-06-01 19:55:00,436 INFO L226 Difference]: Without dead ends: 7261 [2021-06-01 19:55:00,436 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 826.8ms TimeCoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2021-06-01 19:55:00,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7261 states. [2021-06-01 19:55:00,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7261 to 5912. [2021-06-01 19:55:00,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5912 states, 5911 states have (on average 3.570631026899002) internal successors, (21106), 5911 states have internal predecessors, (21106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:55:00,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5912 states to 5912 states and 21106 transitions. [2021-06-01 19:55:00,600 INFO L78 Accepts]: Start accepts. Automaton has 5912 states and 21106 transitions. Word has length 33 [2021-06-01 19:55:00,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:55:00,600 INFO L482 AbstractCegarLoop]: Abstraction has 5912 states and 21106 transitions. [2021-06-01 19:55:00,600 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:55:00,600 INFO L276 IsEmpty]: Start isEmpty. Operand 5912 states and 21106 transitions. [2021-06-01 19:55:00,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-01 19:55:00,609 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:55:00,609 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:55:00,809 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1859,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:55:00,810 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:55:00,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:55:00,811 INFO L82 PathProgramCache]: Analyzing trace with hash -417789994, now seen corresponding path program 23 times [2021-06-01 19:55:00,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:55:00,811 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964487912] [2021-06-01 19:55:00,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:55:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:55:01,268 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 34 [2021-06-01 19:55:01,432 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:55:01,432 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:55:01,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964487912] [2021-06-01 19:55:01,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964487912] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:55:01,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058305133] [2021-06-01 19:55:01,432 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:55:01,462 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-01 19:55:01,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:55:01,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-01 19:55:01,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:55:01,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:55:01,550 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:01,560 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:01,561 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:55:01,561 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-06-01 19:55:01,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:01,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:55:01,599 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:01,614 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:01,616 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:55:01,616 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:65, output treesize:64 [2021-06-01 19:55:01,838 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-06-01 19:55:02,741 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-06-01 19:55:03,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:03,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:03,581 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:03,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 83 [2021-06-01 19:55:03,607 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:03,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:03,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:03,706 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:03,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 83 [2021-06-01 19:55:03,735 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-01 19:55:03,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:03,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:03,837 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-01 19:55:03,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 53 [2021-06-01 19:55:03,839 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:03,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:03,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:03,907 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-01 19:55:03,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 45 [2021-06-01 19:55:03,909 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:08,489 WARN L205 SmtUtils]: Spent 4.58 s on a formula simplification. DAG size of input: 368 DAG size of output: 346 [2021-06-01 19:55:08,490 INFO L628 ElimStorePlain]: treesize reduction 357, result has 88.8 percent of original size [2021-06-01 19:55:08,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:08,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:08,565 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:08,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 76 [2021-06-01 19:55:08,579 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:08,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:08,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:08,661 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-01 19:55:08,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 38 [2021-06-01 19:55:08,662 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:08,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:08,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:08,742 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:08,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 76 [2021-06-01 19:55:08,754 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:08,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:08,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:08,820 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-01 19:55:08,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 38 [2021-06-01 19:55:08,822 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:11,899 WARN L205 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 363 DAG size of output: 356 [2021-06-01 19:55:11,900 INFO L628 ElimStorePlain]: treesize reduction 112, result has 96.3 percent of original size [2021-06-01 19:55:11,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:11,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:11,982 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:11,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 76 [2021-06-01 19:55:11,996 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:12,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:12,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:12,116 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:12,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 76 [2021-06-01 19:55:12,130 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:12,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:12,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:12,209 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-01 19:55:12,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 38 [2021-06-01 19:55:12,220 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:12,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:12,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:12,278 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-01 19:55:12,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 38 [2021-06-01 19:55:12,279 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:17,083 WARN L205 SmtUtils]: Spent 4.80 s on a formula simplification. DAG size of input: 379 DAG size of output: 365 [2021-06-01 19:55:17,084 INFO L628 ElimStorePlain]: treesize reduction 281, result has 91.1 percent of original size [2021-06-01 19:55:17,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:17,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:17,167 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:17,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 83 [2021-06-01 19:55:17,205 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2021-06-01 19:55:17,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:17,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:17,302 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:17,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 83 [2021-06-01 19:55:17,362 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2021-06-01 19:55:17,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:17,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:17,451 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-01 19:55:17,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 53 [2021-06-01 19:55:17,452 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:17,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:17,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:17,521 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-01 19:55:17,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 53 [2021-06-01 19:55:17,524 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:22,660 WARN L205 SmtUtils]: Spent 5.13 s on a formula simplification. DAG size of input: 417 DAG size of output: 384 [2021-06-01 19:55:22,661 INFO L628 ElimStorePlain]: treesize reduction 617, result has 82.6 percent of original size [2021-06-01 19:55:22,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:22,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:22,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:22,718 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:22,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 55 [2021-06-01 19:55:22,725 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:22,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:22,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:22,845 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:22,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 112 treesize of output 124 [2021-06-01 19:55:22,902 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 4 xjuncts. [2021-06-01 19:55:22,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:22,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:22,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:22,965 INFO L354 Elim1Store]: treesize reduction 12, result has 36.8 percent of original size [2021-06-01 19:55:22,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 43 [2021-06-01 19:55:22,967 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:22,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:22,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:23,008 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-01 19:55:23,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 114 treesize of output 1 [2021-06-01 19:55:23,009 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:25,997 WARN L205 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 390 DAG size of output: 360 [2021-06-01 19:55:25,998 INFO L628 ElimStorePlain]: treesize reduction 271, result has 90.8 percent of original size [2021-06-01 19:55:26,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:26,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:26,084 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:26,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 74 [2021-06-01 19:55:26,115 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 3 xjuncts. [2021-06-01 19:55:26,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:26,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:26,195 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-01 19:55:26,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 42 [2021-06-01 19:55:26,197 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:26,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:26,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:26,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:26,249 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-06-01 19:55:26,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 1 [2021-06-01 19:55:26,250 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:26,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:26,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:26,286 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-01 19:55:26,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 78 treesize of output 1 [2021-06-01 19:55:26,287 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:30,230 WARN L205 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 349 DAG size of output: 335 [2021-06-01 19:55:30,231 INFO L628 ElimStorePlain]: treesize reduction 145, result has 94.4 percent of original size [2021-06-01 19:55:30,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:30,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:30,303 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:30,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 76 [2021-06-01 19:55:30,321 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2021-06-01 19:55:30,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:30,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:30,403 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:30,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 76 [2021-06-01 19:55:30,418 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:30,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:30,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:30,496 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-01 19:55:30,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 44 [2021-06-01 19:55:30,498 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:30,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:30,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:30,563 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-01 19:55:30,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 38 [2021-06-01 19:55:30,565 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:34,762 WARN L205 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 363 DAG size of output: 349 [2021-06-01 19:55:34,763 INFO L628 ElimStorePlain]: treesize reduction 204, result has 92.4 percent of original size [2021-06-01 19:55:34,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:34,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:34,842 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:34,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 91 treesize of output 113 [2021-06-01 19:55:34,885 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 5 xjuncts. [2021-06-01 19:55:34,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:34,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:34,963 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-01 19:55:34,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 107 treesize of output 85 [2021-06-01 19:55:34,971 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 2 xjuncts. [2021-06-01 19:55:34,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:34,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:34,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:35,021 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-06-01 19:55:35,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 1 [2021-06-01 19:55:35,022 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:35,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:35,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:35,057 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-01 19:55:35,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 1 [2021-06-01 19:55:35,058 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:37,443 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 345 DAG size of output: 322 [2021-06-01 19:55:37,444 INFO L628 ElimStorePlain]: treesize reduction 209, result has 91.4 percent of original size [2021-06-01 19:55:37,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:37,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:37,525 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:37,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 76 [2021-06-01 19:55:37,559 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 2 xjuncts. [2021-06-01 19:55:37,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:37,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:37,651 INFO L354 Elim1Store]: treesize reduction 34, result has 24.4 percent of original size [2021-06-01 19:55:37,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 42 [2021-06-01 19:55:37,652 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:37,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:37,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:37,735 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:37,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 76 [2021-06-01 19:55:37,748 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:37,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:37,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:37,819 INFO L354 Elim1Store]: treesize reduction 34, result has 24.4 percent of original size [2021-06-01 19:55:37,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 42 [2021-06-01 19:55:37,820 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:41,745 WARN L205 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 351 DAG size of output: 339 [2021-06-01 19:55:41,746 INFO L628 ElimStorePlain]: treesize reduction 138, result has 94.3 percent of original size [2021-06-01 19:55:41,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:41,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:41,825 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:41,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 116 treesize of output 130 [2021-06-01 19:55:41,875 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 4 xjuncts. [2021-06-01 19:55:41,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:41,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:41,970 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-01 19:55:41,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 113 treesize of output 99 [2021-06-01 19:55:41,978 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:41,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:42,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:42,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:42,043 INFO L354 Elim1Store]: treesize reduction 20, result has 25.9 percent of original size [2021-06-01 19:55:42,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 36 [2021-06-01 19:55:42,044 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:42,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:42,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:42,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:42,079 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-06-01 19:55:42,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 1 [2021-06-01 19:55:42,080 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:45,412 WARN L205 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 348 DAG size of output: 316 [2021-06-01 19:55:45,413 INFO L628 ElimStorePlain]: treesize reduction 270, result has 88.2 percent of original size [2021-06-01 19:55:45,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:45,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:45,491 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:45,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 83 [2021-06-01 19:55:45,511 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 2 xjuncts. [2021-06-01 19:55:45,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:45,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:45,597 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-01 19:55:45,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 55 [2021-06-01 19:55:45,599 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:45,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:45,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:45,681 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:45,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 83 [2021-06-01 19:55:45,697 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2021-06-01 19:55:45,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:45,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:45,763 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-01 19:55:45,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 55 [2021-06-01 19:55:45,765 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:48,060 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 367 DAG size of output: 344 [2021-06-01 19:55:48,061 INFO L628 ElimStorePlain]: treesize reduction 273, result has 88.8 percent of original size [2021-06-01 19:55:48,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:48,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:48,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:48,118 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:48,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 49 [2021-06-01 19:55:48,125 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:48,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:48,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:48,205 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:48,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 168 treesize of output 166 [2021-06-01 19:55:48,262 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 3 xjuncts. [2021-06-01 19:55:48,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:48,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:48,346 INFO L354 Elim1Store]: treesize reduction 34, result has 24.4 percent of original size [2021-06-01 19:55:48,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 170 treesize of output 136 [2021-06-01 19:55:48,358 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:48,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:48,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:48,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:48,392 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-06-01 19:55:48,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 1 [2021-06-01 19:55:48,393 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:50,359 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 345 DAG size of output: 314 [2021-06-01 19:55:50,360 INFO L628 ElimStorePlain]: treesize reduction 378, result has 82.9 percent of original size [2021-06-01 19:55:50,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:50,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:50,432 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:50,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 179 treesize of output 173 [2021-06-01 19:55:50,541 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 4 xjuncts. [2021-06-01 19:55:50,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:50,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:50,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:50,603 INFO L354 Elim1Store]: treesize reduction 12, result has 36.8 percent of original size [2021-06-01 19:55:50,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 43 [2021-06-01 19:55:50,605 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:50,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:50,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:50,656 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-01 19:55:50,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 63 treesize of output 1 [2021-06-01 19:55:50,657 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:50,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:50,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:50,690 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-01 19:55:50,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 137 treesize of output 1 [2021-06-01 19:55:50,691 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:53,068 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 316 DAG size of output: 277 [2021-06-01 19:55:53,069 INFO L628 ElimStorePlain]: treesize reduction 513, result has 74.3 percent of original size [2021-06-01 19:55:53,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:53,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:53,134 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:53,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 74 [2021-06-01 19:55:53,157 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 2 xjuncts. [2021-06-01 19:55:53,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:53,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:53,226 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-01 19:55:53,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 104 treesize of output 88 [2021-06-01 19:55:53,254 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 3 xjuncts. [2021-06-01 19:55:53,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:53,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:53,320 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-01 19:55:53,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-06-01 19:55:53,322 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:53,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:53,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:53,349 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-01 19:55:53,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 107 treesize of output 1 [2021-06-01 19:55:53,350 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:54,701 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 271 DAG size of output: 252 [2021-06-01 19:55:54,701 INFO L628 ElimStorePlain]: treesize reduction 175, result has 87.5 percent of original size [2021-06-01 19:55:54,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:54,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:54,771 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:54,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 83 [2021-06-01 19:55:54,789 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 2 xjuncts. [2021-06-01 19:55:54,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:54,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:54,854 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:54,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 83 [2021-06-01 19:55:54,868 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:54,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:54,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:54,943 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-01 19:55:54,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 55 [2021-06-01 19:55:54,945 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:54,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:54,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:54,993 INFO L354 Elim1Store]: treesize reduction 34, result has 24.4 percent of original size [2021-06-01 19:55:54,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 49 [2021-06-01 19:55:54,995 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:56,443 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 295 DAG size of output: 280 [2021-06-01 19:55:56,444 INFO L628 ElimStorePlain]: treesize reduction 181, result has 88.2 percent of original size [2021-06-01 19:55:56,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:56,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:56,511 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:56,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 165 treesize of output 167 [2021-06-01 19:55:56,636 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 4 xjuncts. [2021-06-01 19:55:56,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:56,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:56,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:56,678 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-06-01 19:55:56,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 1 [2021-06-01 19:55:56,679 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:56,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:56,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:56,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:56,739 INFO L354 Elim1Store]: treesize reduction 20, result has 25.9 percent of original size [2021-06-01 19:55:56,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 45 [2021-06-01 19:55:56,741 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:56,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:56,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:56,775 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-01 19:55:56,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 146 treesize of output 1 [2021-06-01 19:55:56,776 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:57,975 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 295 DAG size of output: 249 [2021-06-01 19:55:57,976 INFO L628 ElimStorePlain]: treesize reduction 599, result has 63.2 percent of original size [2021-06-01 19:55:58,064 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 16 dim-1 vars, End of recursive call: 16 dim-0 vars, and 16 xjuncts. [2021-06-01 19:55:58,065 INFO L247 ElimStorePlain]: Needed 65 recursive calls to eliminate 24 variables, input treesize:2689, output treesize:1030 [2021-06-01 19:55:58,468 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 100 [2021-06-01 19:55:59,342 INFO L446 ElimStorePlain]: Different costs {3=[C, v_prenex_376], 5=[v_prenex_375]} [2021-06-01 19:55:59,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:59,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:55:59,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:55:59,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 1 [2021-06-01 19:55:59,349 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:59,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:59,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:55:59,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 12 [2021-06-01 19:55:59,354 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:59,424 INFO L628 ElimStorePlain]: treesize reduction 42, result has 69.8 percent of original size [2021-06-01 19:55:59,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:59,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-06-01 19:55:59,433 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:59,460 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:59,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:59,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:59,464 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:55:59,466 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:55:59,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-01 19:55:59,468 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:59,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:55:59,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:55:59,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-01 19:55:59,472 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:55:59,485 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:55:59,486 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:55:59,486 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:190, output treesize:5 [2021-06-01 19:55:59,492 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:55:59,492 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058305133] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:55:59,492 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:55:59,492 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2021-06-01 19:55:59,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515598531] [2021-06-01 19:55:59,492 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-01 19:55:59,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:55:59,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-01 19:55:59,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=453, Unknown=1, NotChecked=0, Total=552 [2021-06-01 19:55:59,493 INFO L87 Difference]: Start difference. First operand 5912 states and 21106 transitions. Second operand has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:56:00,206 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2021-06-01 19:56:01,089 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 119 [2021-06-01 19:56:01,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:56:01,931 INFO L93 Difference]: Finished difference Result 9409 states and 32339 transitions. [2021-06-01 19:56:01,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-01 19:56:01,931 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-01 19:56:01,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:56:01,948 INFO L225 Difference]: With dead ends: 9409 [2021-06-01 19:56:01,948 INFO L226 Difference]: Without dead ends: 9201 [2021-06-01 19:56:01,948 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 13 SyntacticMatches, 10 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 751 ImplicationChecksByTransitivity, 3724.5ms TimeCoverageRelationStatistics Valid=320, Invalid=1749, Unknown=1, NotChecked=0, Total=2070 [2021-06-01 19:56:01,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9201 states. [2021-06-01 19:56:02,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9201 to 6206. [2021-06-01 19:56:02,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6206 states, 6205 states have (on average 3.5613215149073327) internal successors, (22098), 6205 states have internal predecessors, (22098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:56:02,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6206 states to 6206 states and 22098 transitions. [2021-06-01 19:56:02,057 INFO L78 Accepts]: Start accepts. Automaton has 6206 states and 22098 transitions. Word has length 33 [2021-06-01 19:56:02,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:56:02,057 INFO L482 AbstractCegarLoop]: Abstraction has 6206 states and 22098 transitions. [2021-06-01 19:56:02,057 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:56:02,057 INFO L276 IsEmpty]: Start isEmpty. Operand 6206 states and 22098 transitions. [2021-06-01 19:56:02,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-01 19:56:02,066 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:56:02,066 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:56:02,267 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1913,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:56:02,267 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:56:02,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:56:02,268 INFO L82 PathProgramCache]: Analyzing trace with hash -384462942, now seen corresponding path program 24 times [2021-06-01 19:56:02,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:56:02,268 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651783377] [2021-06-01 19:56:02,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:56:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:56:02,784 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:56:02,784 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:56:02,784 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651783377] [2021-06-01 19:56:02,784 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651783377] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:56:02,784 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000936910] [2021-06-01 19:56:02,784 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:56:02,824 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-01 19:56:02,824 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:56:02,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjunts are in the unsatisfiable core [2021-06-01 19:56:02,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:56:02,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:56:02,943 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:02,956 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:02,957 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:56:02,958 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-01 19:56:03,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:03,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:56:03,041 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:03,061 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:03,062 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:56:03,062 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2021-06-01 19:56:03,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:03,458 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:03,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 44 [2021-06-01 19:56:03,463 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-01 19:56:03,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:03,490 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:03,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 44 [2021-06-01 19:56:03,495 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-01 19:56:03,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:03,530 INFO L354 Elim1Store]: treesize reduction 4, result has 78.9 percent of original size [2021-06-01 19:56:03,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 43 [2021-06-01 19:56:03,534 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:03,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:03,563 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:03,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 44 [2021-06-01 19:56:03,567 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-01 19:56:03,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:03,595 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:03,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 44 [2021-06-01 19:56:03,600 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-06-01 19:56:03,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:03,626 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-06-01 19:56:03,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 32 [2021-06-01 19:56:03,627 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:03,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:03,654 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:03,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 50 [2021-06-01 19:56:03,658 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-06-01 19:56:03,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:03,681 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:03,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 50 [2021-06-01 19:56:03,684 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-06-01 19:56:03,690 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:56:03,691 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:03,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:03,710 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-06-01 19:56:03,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 32 [2021-06-01 19:56:03,712 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:03,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:03,726 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-06-01 19:56:03,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 29 [2021-06-01 19:56:03,731 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:03,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:03,749 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:03,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 50 [2021-06-01 19:56:03,753 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2021-06-01 19:56:04,336 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2021-06-01 19:56:04,336 INFO L628 ElimStorePlain]: treesize reduction 430, result has 60.0 percent of original size [2021-06-01 19:56:04,346 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-06-01 19:56:04,347 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 2 variables, input treesize:1017, output treesize:790 [2021-06-01 19:56:04,693 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-01 19:56:06,415 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 29 treesize of output 17 [2021-06-01 19:56:06,417 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:06,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:56:06,438 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:06,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:56:06,460 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:06,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:56:06,476 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:11,783 WARN L205 SmtUtils]: Spent 5.31 s on a formula simplification. DAG size of input: 307 DAG size of output: 304 [2021-06-01 19:56:11,784 INFO L628 ElimStorePlain]: treesize reduction 219, result has 94.9 percent of original size [2021-06-01 19:56:11,804 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 25 treesize of output 17 [2021-06-01 19:56:11,806 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:11,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-06-01 19:56:11,827 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:11,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:56:11,848 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:11,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:56:11,866 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:14,269 WARN L205 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 292 [2021-06-01 19:56:14,269 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:14,288 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 25 treesize of output 17 [2021-06-01 19:56:14,289 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:14,308 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 29 treesize of output 17 [2021-06-01 19:56:14,310 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:14,328 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 25 treesize of output 17 [2021-06-01 19:56:14,329 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:14,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:56:14,345 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:16,596 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 280 [2021-06-01 19:56:16,596 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:16,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-01 19:56:16,615 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:16,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-01 19:56:16,630 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:19,833 WARN L205 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 270 DAG size of output: 235 [2021-06-01 19:56:19,833 INFO L628 ElimStorePlain]: treesize reduction 1048, result has 71.5 percent of original size [2021-06-01 19:56:19,849 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 20 treesize of output 10 [2021-06-01 19:56:19,850 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:19,865 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 20 treesize of output 10 [2021-06-01 19:56:19,866 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:19,881 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 29 treesize of output 17 [2021-06-01 19:56:19,882 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:19,892 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:56:19,893 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:19,907 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 16 treesize of output 10 [2021-06-01 19:56:19,908 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:19,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-01 19:56:19,925 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:19,949 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:56:19,950 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:19,960 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:56:19,961 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:19,969 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:56:19,970 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:21,250 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 221 [2021-06-01 19:56:21,250 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:21,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2021-06-01 19:56:21,268 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:21,278 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:56:21,279 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:21,294 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 18 treesize of output 10 [2021-06-01 19:56:21,296 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:21,307 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:56:21,308 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:21,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2021-06-01 19:56:21,326 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:21,342 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 29 treesize of output 17 [2021-06-01 19:56:21,343 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:21,359 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 18 treesize of output 10 [2021-06-01 19:56:21,361 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:21,373 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:56:21,374 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:21,384 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:56:21,385 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:22,519 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 208 [2021-06-01 19:56:22,519 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:22,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 10 [2021-06-01 19:56:22,536 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:22,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 10 [2021-06-01 19:56:22,553 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:22,560 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:56:22,561 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:22,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-01 19:56:22,575 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:22,582 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:56:22,583 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:22,937 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 21 [2021-06-01 19:56:22,937 INFO L628 ElimStorePlain]: treesize reduction 1934, result has 2.0 percent of original size [2021-06-01 19:56:22,937 INFO L518 ElimStorePlain]: Eliminatee v_prenex_394 vanished before elimination [2021-06-01 19:56:22,937 INFO L518 ElimStorePlain]: Eliminatee v_prenex_383 vanished before elimination [2021-06-01 19:56:22,937 INFO L518 ElimStorePlain]: Eliminatee v_prenex_384 vanished before elimination [2021-06-01 19:56:22,937 INFO L518 ElimStorePlain]: Eliminatee v_prenex_385 vanished before elimination [2021-06-01 19:56:22,937 INFO L518 ElimStorePlain]: Eliminatee v_prenex_386 vanished before elimination [2021-06-01 19:56:22,937 INFO L518 ElimStorePlain]: Eliminatee v_prenex_387 vanished before elimination [2021-06-01 19:56:22,938 INFO L518 ElimStorePlain]: Eliminatee v_prenex_388 vanished before elimination [2021-06-01 19:56:22,938 INFO L518 ElimStorePlain]: Eliminatee v_prenex_377 vanished before elimination [2021-06-01 19:56:22,938 INFO L518 ElimStorePlain]: Eliminatee v_prenex_389 vanished before elimination [2021-06-01 19:56:22,938 INFO L518 ElimStorePlain]: Eliminatee v_prenex_378 vanished before elimination [2021-06-01 19:56:22,938 INFO L518 ElimStorePlain]: Eliminatee v_prenex_379 vanished before elimination [2021-06-01 19:56:22,938 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-01 19:56:22,938 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-01 19:56:22,940 INFO L550 ElimStorePlain]: Start of recursive call 1: 20 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-01 19:56:22,940 INFO L247 ElimStorePlain]: Needed 38 recursive calls to eliminate 20 variables, input treesize:4409, output treesize:40 [2021-06-01 19:56:23,019 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:56:23,019 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000936910] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:56:23,019 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:56:23,019 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-06-01 19:56:23,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951730601] [2021-06-01 19:56:23,020 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-01 19:56:23,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:56:23,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-01 19:56:23,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=572, Unknown=0, NotChecked=0, Total=702 [2021-06-01 19:56:23,020 INFO L87 Difference]: Start difference. First operand 6206 states and 22098 transitions. Second operand has 27 states, 27 states have (on average 2.2962962962962963) internal successors, (62), 26 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:56:23,667 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2021-06-01 19:56:24,724 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 61 [2021-06-01 19:56:25,500 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-06-01 19:56:25,949 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2021-06-01 19:56:26,195 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-06-01 19:56:26,676 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2021-06-01 19:56:26,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:56:26,871 INFO L93 Difference]: Finished difference Result 11457 states and 39557 transitions. [2021-06-01 19:56:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-01 19:56:26,872 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.2962962962962963) internal successors, (62), 26 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-01 19:56:26,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:56:26,890 INFO L225 Difference]: With dead ends: 11457 [2021-06-01 19:56:26,890 INFO L226 Difference]: Without dead ends: 11308 [2021-06-01 19:56:26,891 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 961 ImplicationChecksByTransitivity, 4213.8ms TimeCoverageRelationStatistics Valid=521, Invalid=2449, Unknown=0, NotChecked=0, Total=2970 [2021-06-01 19:56:26,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11308 states. [2021-06-01 19:56:26,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11308 to 6277. [2021-06-01 19:56:26,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6277 states, 6276 states have (on average 3.5624601657106436) internal successors, (22358), 6276 states have internal predecessors, (22358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:56:27,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6277 states to 6277 states and 22358 transitions. [2021-06-01 19:56:27,013 INFO L78 Accepts]: Start accepts. Automaton has 6277 states and 22358 transitions. Word has length 33 [2021-06-01 19:56:27,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:56:27,013 INFO L482 AbstractCegarLoop]: Abstraction has 6277 states and 22358 transitions. [2021-06-01 19:56:27,013 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.2962962962962963) internal successors, (62), 26 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:56:27,013 INFO L276 IsEmpty]: Start isEmpty. Operand 6277 states and 22358 transitions. [2021-06-01 19:56:27,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-01 19:56:27,022 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:56:27,022 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:56:27,223 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2541 [2021-06-01 19:56:27,223 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:56:27,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:56:27,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1642775078, now seen corresponding path program 25 times [2021-06-01 19:56:27,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:56:27,224 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712429651] [2021-06-01 19:56:27,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:56:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:56:28,002 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:56:28,002 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:56:28,002 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712429651] [2021-06-01 19:56:28,002 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712429651] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:56:28,002 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792989094] [2021-06-01 19:56:28,003 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:56:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:56:28,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-01 19:56:28,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:56:28,167 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 12 treesize of output 11 [2021-06-01 19:56:28,168 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:28,181 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:28,182 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:56:28,182 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-01 19:56:28,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:56:28,230 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:28,246 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:28,247 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:56:28,247 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-06-01 19:56:28,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-01 19:56:28,855 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:28,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-01 19:56:28,864 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:28,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,872 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 50 treesize of output 32 [2021-06-01 19:56:28,873 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:28,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,881 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 59 treesize of output 39 [2021-06-01 19:56:28,882 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:28,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-01 19:56:28,892 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:28,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,900 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 52 treesize of output 32 [2021-06-01 19:56:28,901 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:28,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,909 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 61 treesize of output 39 [2021-06-01 19:56:28,910 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:28,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,919 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 59 treesize of output 39 [2021-06-01 19:56:28,920 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:28,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,928 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 50 treesize of output 32 [2021-06-01 19:56:28,929 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:28,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,938 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 61 treesize of output 39 [2021-06-01 19:56:28,939 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:28,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,947 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 61 treesize of output 39 [2021-06-01 19:56:28,948 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:28,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,956 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 50 treesize of output 32 [2021-06-01 19:56:28,957 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:28,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-01 19:56:28,967 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:28,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2021-06-01 19:56:28,977 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:28,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,985 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 59 treesize of output 39 [2021-06-01 19:56:28,987 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:28,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:28,996 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 57 treesize of output 39 [2021-06-01 19:56:28,997 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-01 19:56:29,007 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-01 19:56:29,018 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,026 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 48 treesize of output 32 [2021-06-01 19:56:29,027 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-01 19:56:29,037 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,046 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 61 treesize of output 39 [2021-06-01 19:56:29,047 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-01 19:56:29,058 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-01 19:56:29,069 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-01 19:56:29,078 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2021-06-01 19:56:29,088 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-01 19:56:29,099 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-01 19:56:29,109 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-01 19:56:29,120 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-01 19:56:29,130 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2021-06-01 19:56:29,140 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,149 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 48 treesize of output 32 [2021-06-01 19:56:29,150 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,156 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 59 treesize of output 39 [2021-06-01 19:56:29,157 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,637 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 60 [2021-06-01 19:56:29,638 INFO L628 ElimStorePlain]: treesize reduction 952, result has 50.6 percent of original size [2021-06-01 19:56:29,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 30 [2021-06-01 19:56:29,647 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,655 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 44 treesize of output 26 [2021-06-01 19:56:29,656 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,664 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 50 treesize of output 30 [2021-06-01 19:56:29,665 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,673 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 59 treesize of output 37 [2021-06-01 19:56:29,675 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2021-06-01 19:56:29,684 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,692 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 65 treesize of output 41 [2021-06-01 19:56:29,693 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-06-01 19:56:29,703 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,711 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 51 treesize of output 31 [2021-06-01 19:56:29,712 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,721 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 61 treesize of output 39 [2021-06-01 19:56:29,722 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,731 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 51 treesize of output 31 [2021-06-01 19:56:29,732 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 31 [2021-06-01 19:56:29,742 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 41 [2021-06-01 19:56:29,751 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,759 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 53 treesize of output 31 [2021-06-01 19:56:29,761 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2021-06-01 19:56:29,769 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,777 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 65 treesize of output 39 [2021-06-01 19:56:29,778 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:29,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-06-01 19:56:29,783 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,857 INFO L628 ElimStorePlain]: treesize reduction 173, result has 37.8 percent of original size [2021-06-01 19:56:29,857 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-01 19:56:29,857 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 2 variables, input treesize:2625, output treesize:105 [2021-06-01 19:56:29,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-01 19:56:29,945 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,947 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 15 treesize of output 11 [2021-06-01 19:56:29,948 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,961 INFO L628 ElimStorePlain]: treesize reduction 93, result has 5.1 percent of original size [2021-06-01 19:56:29,961 INFO L518 ElimStorePlain]: Eliminatee v_prenex_395 vanished before elimination [2021-06-01 19:56:29,961 INFO L518 ElimStorePlain]: Eliminatee v_prenex_396 vanished before elimination [2021-06-01 19:56:29,961 INFO L518 ElimStorePlain]: Eliminatee v_prenex_397 vanished before elimination [2021-06-01 19:56:29,961 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:56:29,961 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-01 19:56:29,966 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:56:29,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792989094] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:56:29,967 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:56:29,967 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-06-01 19:56:29,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416774416] [2021-06-01 19:56:29,967 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-01 19:56:29,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:56:29,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-01 19:56:29,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2021-06-01 19:56:29,968 INFO L87 Difference]: Start difference. First operand 6277 states and 22358 transitions. Second operand has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:56:31,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:56:31,121 INFO L93 Difference]: Finished difference Result 9926 states and 34677 transitions. [2021-06-01 19:56:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-01 19:56:31,121 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-01 19:56:31,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:56:31,138 INFO L225 Difference]: With dead ends: 9926 [2021-06-01 19:56:31,138 INFO L226 Difference]: Without dead ends: 9783 [2021-06-01 19:56:31,139 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 1392.9ms TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2021-06-01 19:56:31,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9783 states. [2021-06-01 19:56:31,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9783 to 6359. [2021-06-01 19:56:31,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6359 states, 6358 states have (on average 3.560239068889588) internal successors, (22636), 6358 states have internal predecessors, (22636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:56:31,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6359 states to 6359 states and 22636 transitions. [2021-06-01 19:56:31,249 INFO L78 Accepts]: Start accepts. Automaton has 6359 states and 22636 transitions. Word has length 33 [2021-06-01 19:56:31,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:56:31,249 INFO L482 AbstractCegarLoop]: Abstraction has 6359 states and 22636 transitions. [2021-06-01 19:56:31,249 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:56:31,249 INFO L276 IsEmpty]: Start isEmpty. Operand 6359 states and 22636 transitions. [2021-06-01 19:56:31,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-01 19:56:31,259 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:56:31,259 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:56:31,459 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3073,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:56:31,460 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:56:31,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:56:31,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1609448026, now seen corresponding path program 26 times [2021-06-01 19:56:31,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:56:31,460 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095295201] [2021-06-01 19:56:31,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:56:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:56:32,064 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 85 [2021-06-01 19:56:32,395 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:56:32,395 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:56:32,395 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095295201] [2021-06-01 19:56:32,395 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095295201] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:56:32,395 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477377652] [2021-06-01 19:56:32,396 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:56:32,431 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-01 19:56:32,431 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:56:32,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-01 19:56:32,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:56:32,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:56:32,530 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:32,541 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:32,541 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:56:32,542 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-01 19:56:32,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:32,577 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 30 treesize of output 32 [2021-06-01 19:56:32,578 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:32,589 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:32,590 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:56:32,590 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-06-01 19:56:32,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2021-06-01 19:56:32,801 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:32,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2021-06-01 19:56:32,806 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:32,810 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 28 treesize of output 22 [2021-06-01 19:56:32,811 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:32,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2021-06-01 19:56:32,816 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:32,821 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 28 treesize of output 22 [2021-06-01 19:56:32,822 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:32,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2021-06-01 19:56:32,828 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:32,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-01 19:56:32,833 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:32,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-01 19:56:32,839 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:32,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2021-06-01 19:56:32,844 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:32,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2021-06-01 19:56:32,849 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:32,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2021-06-01 19:56:32,854 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:32,857 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:56:32,858 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:33,059 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2021-06-01 19:56:33,060 INFO L628 ElimStorePlain]: treesize reduction 138, result has 71.8 percent of original size [2021-06-01 19:56:33,062 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-06-01 19:56:33,062 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 1 variables, input treesize:725, output treesize:351 [2021-06-01 19:56:33,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:56:33,585 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:33,601 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 29 treesize of output 17 [2021-06-01 19:56:33,602 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:33,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:56:33,619 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:33,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:56:33,632 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:34,634 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 246 [2021-06-01 19:56:34,634 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:34,650 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 27 treesize of output 17 [2021-06-01 19:56:34,651 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:34,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:56:34,668 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:34,684 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 29 treesize of output 17 [2021-06-01 19:56:34,724 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:34,735 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 27 treesize of output 17 [2021-06-01 19:56:34,737 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:35,640 WARN L205 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2021-06-01 19:56:35,641 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:35,655 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 27 treesize of output 15 [2021-06-01 19:56:35,656 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:35,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2021-06-01 19:56:35,668 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:36,583 WARN L205 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 166 [2021-06-01 19:56:36,583 INFO L628 ElimStorePlain]: treesize reduction 708, result has 52.6 percent of original size [2021-06-01 19:56:36,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-01 19:56:36,595 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:36,602 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 27 treesize of output 15 [2021-06-01 19:56:36,603 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:36,704 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 5 [2021-06-01 19:56:36,704 INFO L628 ElimStorePlain]: treesize reduction 734, result has 0.7 percent of original size [2021-06-01 19:56:36,704 INFO L518 ElimStorePlain]: Eliminatee v_prenex_400 vanished before elimination [2021-06-01 19:56:36,704 INFO L518 ElimStorePlain]: Eliminatee v_prenex_401 vanished before elimination [2021-06-01 19:56:36,704 INFO L518 ElimStorePlain]: Eliminatee v_prenex_412 vanished before elimination [2021-06-01 19:56:36,704 INFO L518 ElimStorePlain]: Eliminatee v_prenex_402 vanished before elimination [2021-06-01 19:56:36,704 INFO L518 ElimStorePlain]: Eliminatee v_prenex_413 vanished before elimination [2021-06-01 19:56:36,704 INFO L518 ElimStorePlain]: Eliminatee v_prenex_403 vanished before elimination [2021-06-01 19:56:36,704 INFO L518 ElimStorePlain]: Eliminatee v_prenex_414 vanished before elimination [2021-06-01 19:56:36,704 INFO L518 ElimStorePlain]: Eliminatee v_prenex_404 vanished before elimination [2021-06-01 19:56:36,704 INFO L518 ElimStorePlain]: Eliminatee v_prenex_415 vanished before elimination [2021-06-01 19:56:36,704 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-01 19:56:36,705 INFO L518 ElimStorePlain]: Eliminatee v_prenex_405 vanished before elimination [2021-06-01 19:56:36,705 INFO L518 ElimStorePlain]: Eliminatee v_prenex_406 vanished before elimination [2021-06-01 19:56:36,705 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-01 19:56:36,705 INFO L518 ElimStorePlain]: Eliminatee v_prenex_407 vanished before elimination [2021-06-01 19:56:36,705 INFO L518 ElimStorePlain]: Eliminatee v_prenex_408 vanished before elimination [2021-06-01 19:56:36,705 INFO L518 ElimStorePlain]: Eliminatee v_prenex_409 vanished before elimination [2021-06-01 19:56:36,705 INFO L550 ElimStorePlain]: Start of recursive call 1: 20 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:56:36,705 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 20 variables, input treesize:1801, output treesize:5 [2021-06-01 19:56:36,714 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:56:36,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477377652] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:56:36,714 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:56:36,714 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11] total 24 [2021-06-01 19:56:36,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423988595] [2021-06-01 19:56:36,715 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-01 19:56:36,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:56:36,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-01 19:56:36,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=490, Unknown=0, NotChecked=0, Total=600 [2021-06-01 19:56:36,716 INFO L87 Difference]: Start difference. First operand 6359 states and 22636 transitions. Second operand has 25 states, 25 states have (on average 2.32) internal successors, (58), 24 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:56:37,033 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-06-01 19:56:37,436 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 58 [2021-06-01 19:56:37,601 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 52 [2021-06-01 19:56:38,135 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-06-01 19:56:38,736 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-06-01 19:56:39,044 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-06-01 19:56:39,222 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-06-01 19:56:39,352 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-06-01 19:56:39,548 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-06-01 19:56:39,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:56:39,725 INFO L93 Difference]: Finished difference Result 11292 states and 39312 transitions. [2021-06-01 19:56:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-01 19:56:39,728 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.32) internal successors, (58), 24 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-01 19:56:39,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:56:39,751 INFO L225 Difference]: With dead ends: 11292 [2021-06-01 19:56:39,751 INFO L226 Difference]: Without dead ends: 10944 [2021-06-01 19:56:39,752 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 816 ImplicationChecksByTransitivity, 3201.8ms TimeCoverageRelationStatistics Valid=509, Invalid=2143, Unknown=0, NotChecked=0, Total=2652 [2021-06-01 19:56:39,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10944 states. [2021-06-01 19:56:39,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10944 to 6647. [2021-06-01 19:56:39,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6647 states, 6646 states have (on average 3.561841709298826) internal successors, (23672), 6646 states have internal predecessors, (23672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:56:39,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6647 states to 6647 states and 23672 transitions. [2021-06-01 19:56:39,888 INFO L78 Accepts]: Start accepts. Automaton has 6647 states and 23672 transitions. Word has length 33 [2021-06-01 19:56:39,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:56:39,888 INFO L482 AbstractCegarLoop]: Abstraction has 6647 states and 23672 transitions. [2021-06-01 19:56:39,888 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.32) internal successors, (58), 24 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:56:39,888 INFO L276 IsEmpty]: Start isEmpty. Operand 6647 states and 23672 transitions. [2021-06-01 19:56:39,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-01 19:56:39,900 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:56:39,900 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:56:40,111 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3190 [2021-06-01 19:56:40,111 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:56:40,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:56:40,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1766130978, now seen corresponding path program 27 times [2021-06-01 19:56:40,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:56:40,112 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960360459] [2021-06-01 19:56:40,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:56:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:56:40,729 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:56:40,730 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:56:40,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960360459] [2021-06-01 19:56:40,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960360459] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:56:40,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963619530] [2021-06-01 19:56:40,730 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:56:40,770 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-01 19:56:40,770 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:56:40,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-01 19:56:40,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:56:40,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:56:40,881 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:40,891 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:40,892 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:56:40,892 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-01 19:56:40,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:40,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:56:40,931 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:40,945 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:40,945 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:56:40,945 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2021-06-01 19:56:41,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:41,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:41,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:41,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:41,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2021-06-01 19:56:41,176 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:41,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:41,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:41,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:41,185 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:41,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-01 19:56:41,186 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:41,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:41,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:41,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:41,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-01 19:56:41,194 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:41,274 INFO L628 ElimStorePlain]: treesize reduction 38, result has 73.2 percent of original size [2021-06-01 19:56:41,276 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-01 19:56:41,276 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:194, output treesize:74 [2021-06-01 19:56:41,911 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 27 treesize of output 17 [2021-06-01 19:56:41,912 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:41,922 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 27 treesize of output 17 [2021-06-01 19:56:41,923 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:41,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:56:41,934 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:41,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:56:41,946 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:41,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:56:41,956 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:41,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:56:41,967 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:41,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:56:41,977 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:41,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:56:41,987 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:42,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:56:42,001 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:42,013 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 [2021-06-01 19:56:42,014 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:42,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:56:42,025 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:42,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:56:42,036 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:42,047 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 27 treesize of output 17 [2021-06-01 19:56:42,049 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:42,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:56:42,059 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:42,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:56:42,069 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:42,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:56:42,076 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:43,237 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 114 DAG size of output: 109 [2021-06-01 19:56:43,237 INFO L628 ElimStorePlain]: treesize reduction 104, result has 93.8 percent of original size [2021-06-01 19:56:43,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:56:43,247 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:43,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:56:43,256 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:43,265 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 29 treesize of output 17 [2021-06-01 19:56:43,266 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:43,274 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 29 treesize of output 17 [2021-06-01 19:56:43,275 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:43,284 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 27 treesize of output 17 [2021-06-01 19:56:43,285 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:43,294 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 27 treesize of output 17 [2021-06-01 19:56:43,295 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:43,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:56:43,304 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:43,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:56:43,313 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:43,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:56:43,323 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:43,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:56:43,332 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:43,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:56:43,342 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:43,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:56:43,351 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:43,359 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 27 treesize of output 17 [2021-06-01 19:56:43,361 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:43,368 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 27 treesize of output 17 [2021-06-01 19:56:43,370 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:43,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:56:43,379 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:43,384 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 29 treesize of output 17 [2021-06-01 19:56:43,386 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:43,684 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-06-01 19:56:43,685 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:43,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-01 19:56:43,693 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:43,701 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 25 treesize of output 15 [2021-06-01 19:56:43,702 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:43,709 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 25 treesize of output 15 [2021-06-01 19:56:43,710 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:43,714 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 27 treesize of output 15 [2021-06-01 19:56:43,715 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:43,788 INFO L628 ElimStorePlain]: treesize reduction 846, result has 0.6 percent of original size [2021-06-01 19:56:43,789 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-01 19:56:43,789 INFO L518 ElimStorePlain]: Eliminatee v_prenex_418 vanished before elimination [2021-06-01 19:56:43,789 INFO L518 ElimStorePlain]: Eliminatee v_prenex_419 vanished before elimination [2021-06-01 19:56:43,789 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:56:43,789 INFO L247 ElimStorePlain]: Needed 37 recursive calls to eliminate 6 variables, input treesize:2209, output treesize:5 [2021-06-01 19:56:43,798 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:56:43,799 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963619530] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:56:43,799 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:56:43,799 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 26 [2021-06-01 19:56:43,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943003023] [2021-06-01 19:56:43,799 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-01 19:56:43,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:56:43,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-01 19:56:43,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=587, Unknown=0, NotChecked=0, Total=702 [2021-06-01 19:56:43,800 INFO L87 Difference]: Start difference. First operand 6647 states and 23672 transitions. Second operand has 27 states, 27 states have (on average 2.1481481481481484) internal successors, (58), 26 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:56:44,651 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 68 [2021-06-01 19:56:44,864 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2021-06-01 19:56:45,247 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2021-06-01 19:56:45,505 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2021-06-01 19:56:45,664 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2021-06-01 19:56:45,939 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 62 [2021-06-01 19:56:46,160 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-06-01 19:56:46,378 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2021-06-01 19:56:46,545 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-06-01 19:56:46,788 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2021-06-01 19:56:46,933 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2021-06-01 19:56:47,127 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2021-06-01 19:56:47,324 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-06-01 19:56:47,559 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-06-01 19:56:47,739 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2021-06-01 19:56:47,938 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2021-06-01 19:56:48,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:56:48,006 INFO L93 Difference]: Finished difference Result 10502 states and 36902 transitions. [2021-06-01 19:56:48,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-01 19:56:48,006 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.1481481481481484) internal successors, (58), 26 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-01 19:56:48,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:56:48,025 INFO L225 Difference]: With dead ends: 10502 [2021-06-01 19:56:48,025 INFO L226 Difference]: Without dead ends: 10326 [2021-06-01 19:56:48,026 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 799 ImplicationChecksByTransitivity, 4249.0ms TimeCoverageRelationStatistics Valid=534, Invalid=2328, Unknown=0, NotChecked=0, Total=2862 [2021-06-01 19:56:48,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10326 states. [2021-06-01 19:56:48,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10326 to 6729. [2021-06-01 19:56:48,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6729 states, 6728 states have (on average 3.5631688466111773) internal successors, (23973), 6728 states have internal predecessors, (23973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:56:48,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6729 states to 6729 states and 23973 transitions. [2021-06-01 19:56:48,147 INFO L78 Accepts]: Start accepts. Automaton has 6729 states and 23973 transitions. Word has length 33 [2021-06-01 19:56:48,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:56:48,147 INFO L482 AbstractCegarLoop]: Abstraction has 6729 states and 23973 transitions. [2021-06-01 19:56:48,148 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.1481481481481484) internal successors, (58), 26 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:56:48,148 INFO L276 IsEmpty]: Start isEmpty. Operand 6729 states and 23973 transitions. [2021-06-01 19:56:48,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-01 19:56:48,158 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:56:48,158 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:56:48,380 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3318 [2021-06-01 19:56:48,380 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:56:48,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:56:48,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1785238692, now seen corresponding path program 28 times [2021-06-01 19:56:48,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:56:48,381 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917938024] [2021-06-01 19:56:48,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:56:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:56:48,994 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:56:48,994 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:56:48,994 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917938024] [2021-06-01 19:56:48,995 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917938024] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:56:48,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318157442] [2021-06-01 19:56:48,995 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:56:49,024 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-01 19:56:49,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:56:49,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-01 19:56:49,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:56:49,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:56:49,121 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:49,132 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:49,132 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:56:49,132 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-01 19:56:49,941 INFO L446 ElimStorePlain]: Different costs {1=[v_C_50], 3=[A, B]} [2021-06-01 19:56:49,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:49,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:56:49,954 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:49,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:49,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-01 19:56:49,967 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:49,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:49,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:56:49,979 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:49,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:49,988 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 30 treesize of output 32 [2021-06-01 19:56:49,989 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:49,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:49,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:56:49,999 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:56:50,008 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:56:50,018 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:56:50,028 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:56:50,037 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-01 19:56:50,047 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-01 19:56:50,057 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-01 19:56:50,067 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,076 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 [2021-06-01 19:56:50,077 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:56:50,087 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-01 19:56:50,098 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-01 19:56:50,108 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-01 19:56:50,119 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,128 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 37 treesize of output 35 [2021-06-01 19:56:50,129 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-01 19:56:50,139 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-01 19:56:50,149 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:56:50,161 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:56:50,172 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:56:50,182 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:56:50,193 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-01 19:56:50,204 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-01 19:56:50,216 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-01 19:56:50,228 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-01 19:56:50,240 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:56:50,252 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,263 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 37 treesize of output 35 [2021-06-01 19:56:50,265 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:56:50,277 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:50,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:50,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:56:50,288 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:51,304 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2021-06-01 19:56:51,305 INFO L628 ElimStorePlain]: treesize reduction 674, result has 74.7 percent of original size [2021-06-01 19:56:51,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,315 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 50 treesize of output 32 [2021-06-01 19:56:51,316 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:51,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,327 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 59 treesize of output 39 [2021-06-01 19:56:51,329 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:51,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,340 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 59 treesize of output 39 [2021-06-01 19:56:51,341 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:51,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,352 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 57 treesize of output 39 [2021-06-01 19:56:51,353 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:51,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-01 19:56:51,365 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:51,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,376 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 61 treesize of output 39 [2021-06-01 19:56:51,377 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:51,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,388 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 32 [2021-06-01 19:56:51,389 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:51,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 41 [2021-06-01 19:56:51,400 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:51,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-01 19:56:51,411 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:51,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2021-06-01 19:56:51,422 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:51,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2021-06-01 19:56:51,432 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:51,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,441 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 63 treesize of output 41 [2021-06-01 19:56:51,442 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:51,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-01 19:56:51,452 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:51,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,461 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 57 treesize of output 39 [2021-06-01 19:56:51,462 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:51,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-01 19:56:51,472 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:51,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2021-06-01 19:56:51,482 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:51,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 41 [2021-06-01 19:56:51,492 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:51,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,501 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 50 treesize of output 32 [2021-06-01 19:56:51,502 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:51,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-01 19:56:51,513 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:51,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,522 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 52 treesize of output 32 [2021-06-01 19:56:51,523 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:51,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-01 19:56:51,535 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:51,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,544 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 57 treesize of output 39 [2021-06-01 19:56:51,546 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:51,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 41 [2021-06-01 19:56:51,556 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:51,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:51,562 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 59 treesize of output 39 [2021-06-01 19:56:51,564 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:52,023 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2021-06-01 19:56:52,024 INFO L628 ElimStorePlain]: treesize reduction 456, result has 68.2 percent of original size [2021-06-01 19:56:52,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2021-06-01 19:56:52,033 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:52,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,041 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 [2021-06-01 19:56:52,043 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:52,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 26 [2021-06-01 19:56:52,053 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:52,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 30 [2021-06-01 19:56:52,063 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:52,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2021-06-01 19:56:52,073 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:52,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 41 [2021-06-01 19:56:52,083 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:52,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-06-01 19:56:52,093 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:52,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,117 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 51 treesize of output 31 [2021-06-01 19:56:52,119 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:52,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-01 19:56:52,132 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:52,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2021-06-01 19:56:52,146 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:52,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,158 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 31 [2021-06-01 19:56:52,159 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:52,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,171 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 67 treesize of output 41 [2021-06-01 19:56:52,172 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:52,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 31 [2021-06-01 19:56:52,186 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:52,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,199 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 65 treesize of output 39 [2021-06-01 19:56:52,200 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:52,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,212 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 63 treesize of output 39 [2021-06-01 19:56:52,214 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:52,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:52,221 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 52 treesize of output 30 [2021-06-01 19:56:52,222 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:52,347 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2021-06-01 19:56:52,348 INFO L628 ElimStorePlain]: treesize reduction 219, result has 26.3 percent of original size [2021-06-01 19:56:52,348 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-01 19:56:52,349 INFO L247 ElimStorePlain]: Needed 73 recursive calls to eliminate 3 variables, input treesize:2657, output treesize:78 [2021-06-01 19:56:52,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-01 19:56:52,443 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:52,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-01 19:56:52,448 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:52,461 INFO L628 ElimStorePlain]: treesize reduction 73, result has 6.4 percent of original size [2021-06-01 19:56:52,461 INFO L518 ElimStorePlain]: Eliminatee v_prenex_420 vanished before elimination [2021-06-01 19:56:52,461 INFO L518 ElimStorePlain]: Eliminatee v_prenex_421 vanished before elimination [2021-06-01 19:56:52,461 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:56:52,462 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-06-01 19:56:52,468 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:56:52,468 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318157442] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:56:52,469 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:56:52,469 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-06-01 19:56:52,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117363382] [2021-06-01 19:56:52,469 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-01 19:56:52,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:56:52,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-01 19:56:52,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2021-06-01 19:56:52,470 INFO L87 Difference]: Start difference. First operand 6729 states and 23973 transitions. Second operand has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:56:54,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:56:54,347 INFO L93 Difference]: Finished difference Result 11296 states and 39305 transitions. [2021-06-01 19:56:54,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-01 19:56:54,348 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-01 19:56:54,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:56:54,367 INFO L225 Difference]: With dead ends: 11296 [2021-06-01 19:56:54,367 INFO L226 Difference]: Without dead ends: 11146 [2021-06-01 19:56:54,367 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 1817.2ms TimeCoverageRelationStatistics Valid=255, Invalid=1551, Unknown=0, NotChecked=0, Total=1806 [2021-06-01 19:56:54,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11146 states. [2021-06-01 19:56:54,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11146 to 7270. [2021-06-01 19:56:54,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7270 states, 7269 states have (on average 3.5720181593066447) internal successors, (25965), 7269 states have internal predecessors, (25965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:56:54,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7270 states to 7270 states and 25965 transitions. [2021-06-01 19:56:54,498 INFO L78 Accepts]: Start accepts. Automaton has 7270 states and 25965 transitions. Word has length 33 [2021-06-01 19:56:54,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:56:54,498 INFO L482 AbstractCegarLoop]: Abstraction has 7270 states and 25965 transitions. [2021-06-01 19:56:54,499 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:56:54,499 INFO L276 IsEmpty]: Start isEmpty. Operand 7270 states and 25965 transitions. [2021-06-01 19:56:54,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-01 19:56:54,509 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:56:54,509 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:56:54,709 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3478,28 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:56:54,709 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:56:54,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:56:54,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1191335548, now seen corresponding path program 29 times [2021-06-01 19:56:54,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:56:54,710 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820836940] [2021-06-01 19:56:54,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:56:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:56:55,255 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:56:55,255 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:56:55,255 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820836940] [2021-06-01 19:56:55,255 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820836940] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:56:55,255 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597355651] [2021-06-01 19:56:55,255 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:56:55,285 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-01 19:56:55,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:56:55,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-01 19:56:55,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:56:55,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:56:55,397 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:55,411 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:55,412 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-01 19:56:55,412 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:49, output treesize:48 [2021-06-01 19:56:55,966 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2021-06-01 19:56:56,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:56,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-01 19:56:56,076 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:56,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:56,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:56,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:56,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2021-06-01 19:56:56,086 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:56,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:56,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:56,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:56,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2021-06-01 19:56:56,097 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:56,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:56,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:56,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:56,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2021-06-01 19:56:56,107 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:56,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:56,115 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 24 treesize of output 26 [2021-06-01 19:56:56,116 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:56,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:56,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-01 19:56:56,124 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:56,283 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-06-01 19:56:56,283 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:56,301 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 12 dim-0 vars, and 6 xjuncts. [2021-06-01 19:56:56,301 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:499, output treesize:495 [2021-06-01 19:56:56,640 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2021-06-01 19:56:57,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:57,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:57,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:57,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:57,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:57,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:57,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:57,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-01 19:56:57,287 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:57,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:57,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:57,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:57,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:57,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:57,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:57,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:57,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-01 19:56:57,310 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:57,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:57,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:57,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:57,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:57,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:57,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:57,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:57,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-01 19:56:57,335 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:57,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:57,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:57,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:57,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:57,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:57,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-01 19:56:57,353 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:58,396 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 248 [2021-06-01 19:56:58,396 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:58,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:58,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:58,413 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:58,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:58,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:58,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:58,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:58,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-06-01 19:56:58,422 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:58,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:58,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:58,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:58,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:58,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:58,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:58,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:58,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-06-01 19:56:58,454 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:58,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:58,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:58,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:58,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:58,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:58,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:58,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:58,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-06-01 19:56:58,479 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:58,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:58,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:58,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:58,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:58,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:58,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-06-01 19:56:58,496 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:59,474 WARN L205 SmtUtils]: Spent 976.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2021-06-01 19:56:59,474 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:56:59,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:59,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:59,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:59,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:59,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:59,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:59,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:59,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-01 19:56:59,500 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:59,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:59,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:59,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:59,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:59,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:59,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:59,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:59,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-01 19:56:59,527 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:59,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:59,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:59,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:59,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:59,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:59,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:59,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:59,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-01 19:56:59,554 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:56:59,567 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:59,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:59,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:59,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:56:59,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:56:59,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-01 19:56:59,581 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:00,534 WARN L205 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2021-06-01 19:57:00,534 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:00,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:00,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:00,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:00,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:00,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:00,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:00,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:00,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2021-06-01 19:57:00,559 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:00,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:00,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:00,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:00,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:00,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:00,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:00,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:00,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2021-06-01 19:57:00,585 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:00,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:00,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:00,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:00,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:00,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:00,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:00,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:00,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-06-01 19:57:00,612 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:00,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:00,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:00,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:00,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:00,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:00,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 28 [2021-06-01 19:57:00,629 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:02,297 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 224 DAG size of output: 221 [2021-06-01 19:57:02,298 INFO L628 ElimStorePlain]: treesize reduction 39, result has 97.8 percent of original size [2021-06-01 19:57:02,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:02,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:02,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:02,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:02,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:02,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:02,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:02,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 37 [2021-06-01 19:57:02,320 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:02,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:02,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:02,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:02,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:02,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:02,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:02,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:02,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2021-06-01 19:57:02,342 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:02,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:02,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:02,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:02,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:02,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:02,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:02,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:02,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2021-06-01 19:57:02,362 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:02,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:02,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:02,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:02,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:02,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:02,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 29 [2021-06-01 19:57:02,377 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:03,791 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 204 DAG size of output: 201 [2021-06-01 19:57:03,791 INFO L628 ElimStorePlain]: treesize reduction 39, result has 97.5 percent of original size [2021-06-01 19:57:03,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:03,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:03,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:03,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:03,805 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:03,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:03,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:03,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-01 19:57:03,812 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:03,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:03,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:03,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:03,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:03,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:03,830 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:03,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:03,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-01 19:57:03,834 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:03,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:03,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:03,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:03,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:03,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:03,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:03,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:03,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-01 19:57:03,857 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:03,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:03,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:03,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:03,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:03,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:03,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-01 19:57:03,874 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:04,513 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2021-06-01 19:57:04,513 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:04,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:04,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:04,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:04,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:04,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:04,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:04,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:04,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-01 19:57:04,534 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:04,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:04,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:04,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:04,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:04,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:04,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:04,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:04,555 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 29 [2021-06-01 19:57:04,556 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:04,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:04,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:04,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:04,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:04,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:04,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:04,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:04,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-01 19:57:04,577 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:04,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:04,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:04,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:04,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:04,591 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:04,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 37 [2021-06-01 19:57:04,593 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:05,723 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 180 DAG size of output: 178 [2021-06-01 19:57:05,724 INFO L628 ElimStorePlain]: treesize reduction 40, result has 96.9 percent of original size [2021-06-01 19:57:05,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:05,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:05,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:05,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:05,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:05,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:05,740 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:05,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-01 19:57:05,743 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:05,752 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:05,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:05,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:05,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:05,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:05,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:05,761 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:05,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 35 [2021-06-01 19:57:05,763 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:05,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:05,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:05,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:05,775 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:05,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:05,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:05,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:05,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-01 19:57:05,784 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:05,793 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:05,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:05,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:05,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:05,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:05,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 35 [2021-06-01 19:57:05,798 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:06,281 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2021-06-01 19:57:06,282 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:06,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:06,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:06,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:06,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:06,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:06,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:06,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:06,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2021-06-01 19:57:06,302 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:06,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:06,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:06,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:06,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:06,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:06,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:06,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:06,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 37 [2021-06-01 19:57:06,323 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:06,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:06,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:06,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:06,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:06,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:06,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:06,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:06,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2021-06-01 19:57:06,343 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:06,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:06,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:06,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:06,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:06,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:06,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-01 19:57:06,357 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:07,145 WARN L205 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 153 [2021-06-01 19:57:07,145 INFO L628 ElimStorePlain]: treesize reduction 39, result has 96.0 percent of original size [2021-06-01 19:57:07,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:07,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:07,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:07,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,162 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-01 19:57:07,165 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:07,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:07,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:07,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:07,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-01 19:57:07,184 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:07,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:07,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:07,196 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:07,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,202 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-01 19:57:07,204 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:07,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:07,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:07,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:07,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-01 19:57:07,218 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:07,556 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-01 19:57:07,556 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:07,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:07,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:07,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:07,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2021-06-01 19:57:07,574 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:07,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:07,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:07,584 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:07,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-06-01 19:57:07,593 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:07,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:07,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:07,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:07,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2021-06-01 19:57:07,611 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:07,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:07,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:07,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:07,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:07,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 28 [2021-06-01 19:57:07,623 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:08,148 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 129 [2021-06-01 19:57:08,148 INFO L628 ElimStorePlain]: treesize reduction 39, result has 94.4 percent of original size [2021-06-01 19:57:08,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:08,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:08,159 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:08,159 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:08,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:08,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:08,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:08,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2021-06-01 19:57:08,186 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:08,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:08,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:08,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:08,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:08,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:08,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:08,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:08,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 28 [2021-06-01 19:57:08,211 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:08,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:08,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:08,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:08,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:08,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:08,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:08,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:08,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-06-01 19:57:08,237 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:08,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:08,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:08,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:08,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:08,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:08,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2021-06-01 19:57:08,254 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:08,731 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-06-01 19:57:08,732 INFO L628 ElimStorePlain]: treesize reduction 39, result has 92.2 percent of original size [2021-06-01 19:57:08,762 INFO L550 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 12 dim-1 vars, End of recursive call: 24 dim-0 vars, and 12 xjuncts. [2021-06-01 19:57:08,762 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 24 variables, input treesize:2193, output treesize:460 [2021-06-01 19:57:09,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:09,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:09,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:09,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2021-06-01 19:57:09,325 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:09,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:09,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:09,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-01 19:57:09,332 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:09,488 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2021-06-01 19:57:09,489 INFO L628 ElimStorePlain]: treesize reduction 83, result has 63.1 percent of original size [2021-06-01 19:57:09,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:09,493 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 15 treesize of output 11 [2021-06-01 19:57:09,495 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:09,538 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:09,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:09,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-01 19:57:09,545 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:09,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:09,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:09,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:09,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-01 19:57:09,551 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:09,607 INFO L628 ElimStorePlain]: treesize reduction 17, result has 83.0 percent of original size [2021-06-01 19:57:09,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:09,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:09,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:09,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-01 19:57:09,613 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:09,635 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:09,637 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:57:09,637 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:277, output treesize:5 [2021-06-01 19:57:09,643 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:57:09,643 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597355651] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:57:09,643 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:57:09,643 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2021-06-01 19:57:09,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607160214] [2021-06-01 19:57:09,643 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-01 19:57:09,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:57:09,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-01 19:57:09,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2021-06-01 19:57:09,644 INFO L87 Difference]: Start difference. First operand 7270 states and 25965 transitions. Second operand has 25 states, 25 states have (on average 2.44) internal successors, (61), 24 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:57:10,708 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 47 [2021-06-01 19:57:10,839 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2021-06-01 19:57:11,413 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-06-01 19:57:12,138 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 161 [2021-06-01 19:57:12,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:57:12,987 INFO L93 Difference]: Finished difference Result 12100 states and 42051 transitions. [2021-06-01 19:57:12,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-01 19:57:12,987 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.44) internal successors, (61), 24 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-01 19:57:12,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:57:13,008 INFO L225 Difference]: With dead ends: 12100 [2021-06-01 19:57:13,008 INFO L226 Difference]: Without dead ends: 11890 [2021-06-01 19:57:13,009 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 695 ImplicationChecksByTransitivity, 3705.4ms TimeCoverageRelationStatistics Valid=352, Invalid=2198, Unknown=0, NotChecked=0, Total=2550 [2021-06-01 19:57:13,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11890 states. [2021-06-01 19:57:13,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11890 to 7550. [2021-06-01 19:57:13,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7550 states, 7549 states have (on average 3.562723539541661) internal successors, (26895), 7549 states have internal predecessors, (26895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:57:13,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7550 states to 7550 states and 26895 transitions. [2021-06-01 19:57:13,153 INFO L78 Accepts]: Start accepts. Automaton has 7550 states and 26895 transitions. Word has length 33 [2021-06-01 19:57:13,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:57:13,154 INFO L482 AbstractCegarLoop]: Abstraction has 7550 states and 26895 transitions. [2021-06-01 19:57:13,154 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.44) internal successors, (61), 24 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:57:13,154 INFO L276 IsEmpty]: Start isEmpty. Operand 7550 states and 26895 transitions. [2021-06-01 19:57:13,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-01 19:57:13,165 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:57:13,165 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:57:13,366 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3584 [2021-06-01 19:57:13,367 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:57:13,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:57:13,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1594024776, now seen corresponding path program 30 times [2021-06-01 19:57:13,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:57:13,367 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083086687] [2021-06-01 19:57:13,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:57:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:57:14,013 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:57:14,013 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:57:14,013 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083086687] [2021-06-01 19:57:14,013 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083086687] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:57:14,013 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204319635] [2021-06-01 19:57:14,014 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:57:14,044 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-01 19:57:14,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:57:14,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-01 19:57:14,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:57:14,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:57:14,151 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:14,161 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:14,162 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:57:14,162 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-01 19:57:14,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2021-06-01 19:57:14,296 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:14,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2021-06-01 19:57:14,304 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:14,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2021-06-01 19:57:14,311 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:14,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2021-06-01 19:57:14,318 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:14,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2021-06-01 19:57:14,326 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:14,332 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 40 treesize of output 38 [2021-06-01 19:57:14,333 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:14,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2021-06-01 19:57:14,340 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:14,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2021-06-01 19:57:14,346 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:14,561 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-06-01 19:57:14,561 INFO L628 ElimStorePlain]: treesize reduction 198, result has 65.4 percent of original size [2021-06-01 19:57:14,563 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-01 19:57:14,563 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 1 variables, input treesize:577, output treesize:375 [2021-06-01 19:57:14,693 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-06-01 19:57:14,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2021-06-01 19:57:14,748 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:14,754 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 28 [2021-06-01 19:57:14,755 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:15,151 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2021-06-01 19:57:15,151 INFO L628 ElimStorePlain]: treesize reduction 132, result has 83.9 percent of original size [2021-06-01 19:57:15,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-06-01 19:57:15,159 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:15,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-01 19:57:15,164 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:15,340 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-06-01 19:57:15,340 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:15,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-06-01 19:57:15,348 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:15,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-01 19:57:15,353 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:15,515 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-06-01 19:57:15,515 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:15,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-06-01 19:57:15,522 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:15,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-01 19:57:15,526 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:15,676 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-06-01 19:57:15,676 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:15,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2021-06-01 19:57:15,682 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:15,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2021-06-01 19:57:15,687 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:15,820 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-06-01 19:57:15,821 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:15,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2021-06-01 19:57:15,826 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:15,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2021-06-01 19:57:15,831 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:15,950 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-06-01 19:57:15,951 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:15,952 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-1 vars, End of recursive call: and 12 xjuncts. [2021-06-01 19:57:15,952 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 6 variables, input treesize:853, output treesize:509 [2021-06-01 19:57:16,101 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-06-01 19:57:16,500 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 44 treesize of output 28 [2021-06-01 19:57:16,501 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:16,523 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 44 treesize of output 28 [2021-06-01 19:57:16,524 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:16,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-06-01 19:57:16,543 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:16,558 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 44 treesize of output 28 [2021-06-01 19:57:16,559 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:17,949 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 295 [2021-06-01 19:57:17,949 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:17,969 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 44 treesize of output 28 [2021-06-01 19:57:17,970 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:17,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-06-01 19:57:17,991 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:18,011 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 44 treesize of output 28 [2021-06-01 19:57:18,013 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:18,027 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 44 treesize of output 28 [2021-06-01 19:57:18,029 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:20,548 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 288 DAG size of output: 282 [2021-06-01 19:57:20,548 INFO L628 ElimStorePlain]: treesize reduction 69, result has 97.0 percent of original size [2021-06-01 19:57:20,565 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 27 treesize of output 15 [2021-06-01 19:57:20,566 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:20,579 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 27 treesize of output 15 [2021-06-01 19:57:20,580 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:21,838 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 271 DAG size of output: 208 [2021-06-01 19:57:21,839 INFO L628 ElimStorePlain]: treesize reduction 1043, result has 52.0 percent of original size [2021-06-01 19:57:21,849 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 27 treesize of output 15 [2021-06-01 19:57:21,850 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:22,026 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 5 [2021-06-01 19:57:22,026 INFO L628 ElimStorePlain]: treesize reduction 1102, result has 0.5 percent of original size [2021-06-01 19:57:22,026 INFO L518 ElimStorePlain]: Eliminatee v_prenex_482 vanished before elimination [2021-06-01 19:57:22,026 INFO L518 ElimStorePlain]: Eliminatee v_prenex_472 vanished before elimination [2021-06-01 19:57:22,026 INFO L518 ElimStorePlain]: Eliminatee v_prenex_483 vanished before elimination [2021-06-01 19:57:22,026 INFO L518 ElimStorePlain]: Eliminatee v_prenex_473 vanished before elimination [2021-06-01 19:57:22,026 INFO L518 ElimStorePlain]: Eliminatee v_prenex_484 vanished before elimination [2021-06-01 19:57:22,026 INFO L518 ElimStorePlain]: Eliminatee v_prenex_474 vanished before elimination [2021-06-01 19:57:22,026 INFO L518 ElimStorePlain]: Eliminatee v_prenex_485 vanished before elimination [2021-06-01 19:57:22,026 INFO L518 ElimStorePlain]: Eliminatee v_prenex_486 vanished before elimination [2021-06-01 19:57:22,026 INFO L518 ElimStorePlain]: Eliminatee v_prenex_475 vanished before elimination [2021-06-01 19:57:22,027 INFO L518 ElimStorePlain]: Eliminatee v_prenex_487 vanished before elimination [2021-06-01 19:57:22,027 INFO L518 ElimStorePlain]: Eliminatee v_prenex_476 vanished before elimination [2021-06-01 19:57:22,027 INFO L518 ElimStorePlain]: Eliminatee v_prenex_477 vanished before elimination [2021-06-01 19:57:22,027 INFO L518 ElimStorePlain]: Eliminatee v_prenex_466 vanished before elimination [2021-06-01 19:57:22,027 INFO L518 ElimStorePlain]: Eliminatee v_prenex_478 vanished before elimination [2021-06-01 19:57:22,027 INFO L518 ElimStorePlain]: Eliminatee v_prenex_467 vanished before elimination [2021-06-01 19:57:22,027 INFO L518 ElimStorePlain]: Eliminatee v_prenex_479 vanished before elimination [2021-06-01 19:57:22,027 INFO L518 ElimStorePlain]: Eliminatee v_prenex_468 vanished before elimination [2021-06-01 19:57:22,027 INFO L518 ElimStorePlain]: Eliminatee v_prenex_469 vanished before elimination [2021-06-01 19:57:22,027 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-01 19:57:22,027 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-01 19:57:22,027 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:57:22,027 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 24 variables, input treesize:2561, output treesize:5 [2021-06-01 19:57:22,037 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:57:22,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204319635] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:57:22,037 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:57:22,037 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-06-01 19:57:22,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385409453] [2021-06-01 19:57:22,038 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-01 19:57:22,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:57:22,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-01 19:57:22,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=443, Unknown=0, NotChecked=0, Total=552 [2021-06-01 19:57:22,039 INFO L87 Difference]: Start difference. First operand 7550 states and 26895 transitions. Second operand has 24 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:57:22,282 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-06-01 19:57:23,156 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-06-01 19:57:23,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:57:23,251 INFO L93 Difference]: Finished difference Result 11685 states and 40866 transitions. [2021-06-01 19:57:23,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-01 19:57:23,252 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-01 19:57:23,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:57:23,272 INFO L225 Difference]: With dead ends: 11685 [2021-06-01 19:57:23,272 INFO L226 Difference]: Without dead ends: 11494 [2021-06-01 19:57:23,272 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 1713.6ms TimeCoverageRelationStatistics Valid=210, Invalid=912, Unknown=0, NotChecked=0, Total=1122 [2021-06-01 19:57:23,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11494 states. [2021-06-01 19:57:23,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11494 to 7586. [2021-06-01 19:57:23,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7586 states, 7585 states have (on average 3.5632168754119973) internal successors, (27027), 7585 states have internal predecessors, (27027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:57:23,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7586 states to 7586 states and 27027 transitions. [2021-06-01 19:57:23,398 INFO L78 Accepts]: Start accepts. Automaton has 7586 states and 27027 transitions. Word has length 33 [2021-06-01 19:57:23,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:57:23,398 INFO L482 AbstractCegarLoop]: Abstraction has 7586 states and 27027 transitions. [2021-06-01 19:57:23,398 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:57:23,398 INFO L276 IsEmpty]: Start isEmpty. Operand 7586 states and 27027 transitions. [2021-06-01 19:57:23,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-01 19:57:23,409 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:57:23,409 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:57:23,609 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3711 [2021-06-01 19:57:23,609 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:57:23,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:57:23,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1322096704, now seen corresponding path program 31 times [2021-06-01 19:57:23,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:57:23,610 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732316693] [2021-06-01 19:57:23,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:57:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:57:24,074 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:57:24,075 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:57:24,075 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732316693] [2021-06-01 19:57:24,075 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732316693] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:57:24,075 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620815050] [2021-06-01 19:57:24,075 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:57:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:57:24,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-01 19:57:24,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:57:24,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:57:24,203 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:24,214 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:24,214 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:57:24,214 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-01 19:57:24,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:24,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2021-06-01 19:57:24,307 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:24,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:24,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:57:24,313 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:24,343 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:24,344 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-01 19:57:24,344 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:111, output treesize:113 [2021-06-01 19:57:25,652 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 51 treesize of output 35 [2021-06-01 19:57:25,653 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:25,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-01 19:57:25,669 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:25,684 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 51 treesize of output 35 [2021-06-01 19:57:25,685 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:25,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-01 19:57:25,697 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:26,754 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 229 [2021-06-01 19:57:26,755 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:26,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2021-06-01 19:57:26,771 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:26,786 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 55 treesize of output 37 [2021-06-01 19:57:26,787 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:26,802 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 55 treesize of output 37 [2021-06-01 19:57:26,803 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:26,814 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 55 treesize of output 37 [2021-06-01 19:57:26,815 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:27,587 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 75 [2021-06-01 19:57:27,587 INFO L628 ElimStorePlain]: treesize reduction 1428, result has 30.6 percent of original size [2021-06-01 19:57:27,587 INFO L518 ElimStorePlain]: Eliminatee v_prenex_492 vanished before elimination [2021-06-01 19:57:27,587 INFO L518 ElimStorePlain]: Eliminatee v_prenex_493 vanished before elimination [2021-06-01 19:57:27,594 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 51 treesize of output 35 [2021-06-01 19:57:27,595 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:27,602 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 51 treesize of output 35 [2021-06-01 19:57:27,603 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:27,610 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 51 treesize of output 35 [2021-06-01 19:57:27,611 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:27,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-01 19:57:27,617 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:27,779 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-06-01 19:57:27,779 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:27,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-01 19:57:27,786 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:27,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-01 19:57:27,793 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:27,799 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 57 treesize of output 37 [2021-06-01 19:57:27,804 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:27,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-01 19:57:27,810 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:27,887 INFO L628 ElimStorePlain]: treesize reduction 382, result has 15.5 percent of original size [2021-06-01 19:57:27,887 INFO L518 ElimStorePlain]: Eliminatee v_prenex_496 vanished before elimination [2021-06-01 19:57:27,887 INFO L518 ElimStorePlain]: Eliminatee v_prenex_497 vanished before elimination [2021-06-01 19:57:27,887 INFO L518 ElimStorePlain]: Eliminatee v_prenex_498 vanished before elimination [2021-06-01 19:57:27,887 INFO L518 ElimStorePlain]: Eliminatee v_prenex_499 vanished before elimination [2021-06-01 19:57:27,887 INFO L518 ElimStorePlain]: Eliminatee v_prenex_488 vanished before elimination [2021-06-01 19:57:27,887 INFO L518 ElimStorePlain]: Eliminatee v_prenex_489 vanished before elimination [2021-06-01 19:57:27,887 INFO L518 ElimStorePlain]: Eliminatee v_prenex_500 vanished before elimination [2021-06-01 19:57:27,888 INFO L518 ElimStorePlain]: Eliminatee v_prenex_501 vanished before elimination [2021-06-01 19:57:27,888 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-01 19:57:27,888 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-01 19:57:27,888 INFO L550 ElimStorePlain]: Start of recursive call 1: 16 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-01 19:57:27,888 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 16 variables, input treesize:2273, output treesize:70 [2021-06-01 19:57:27,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-01 19:57:27,964 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:27,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:57:27,967 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:27,976 INFO L628 ElimStorePlain]: treesize reduction 61, result has 7.6 percent of original size [2021-06-01 19:57:27,976 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-06-01 19:57:27,976 INFO L518 ElimStorePlain]: Eliminatee v_prenex_502 vanished before elimination [2021-06-01 19:57:27,976 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:57:27,976 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-06-01 19:57:27,981 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:57:27,982 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620815050] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:57:27,982 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:57:27,982 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-06-01 19:57:27,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13331681] [2021-06-01 19:57:27,982 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-01 19:57:27,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:57:27,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-01 19:57:27,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=468, Unknown=0, NotChecked=0, Total=552 [2021-06-01 19:57:27,982 INFO L87 Difference]: Start difference. First operand 7586 states and 27027 transitions. Second operand has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:57:29,300 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2021-06-01 19:57:29,527 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 44 [2021-06-01 19:57:30,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:57:30,844 INFO L93 Difference]: Finished difference Result 12684 states and 44107 transitions. [2021-06-01 19:57:30,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-01 19:57:30,844 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-01 19:57:30,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:57:30,867 INFO L225 Difference]: With dead ends: 12684 [2021-06-01 19:57:30,867 INFO L226 Difference]: Without dead ends: 12540 [2021-06-01 19:57:30,868 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 2407.5ms TimeCoverageRelationStatistics Valid=381, Invalid=2271, Unknown=0, NotChecked=0, Total=2652 [2021-06-01 19:57:30,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12540 states. [2021-06-01 19:57:31,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12540 to 8009. [2021-06-01 19:57:31,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8009 states, 8008 states have (on average 3.5752997002997002) internal successors, (28631), 8008 states have internal predecessors, (28631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:57:31,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8009 states to 8009 states and 28631 transitions. [2021-06-01 19:57:31,043 INFO L78 Accepts]: Start accepts. Automaton has 8009 states and 28631 transitions. Word has length 33 [2021-06-01 19:57:31,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:57:31,043 INFO L482 AbstractCegarLoop]: Abstraction has 8009 states and 28631 transitions. [2021-06-01 19:57:31,043 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:57:31,043 INFO L276 IsEmpty]: Start isEmpty. Operand 8009 states and 28631 transitions. [2021-06-01 19:57:31,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-01 19:57:31,055 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:57:31,055 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:57:31,256 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3817,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:57:31,257 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:57:31,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:57:31,258 INFO L82 PathProgramCache]: Analyzing trace with hash -919407476, now seen corresponding path program 32 times [2021-06-01 19:57:31,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:57:31,258 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890632602] [2021-06-01 19:57:31,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:57:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:57:31,823 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:57:31,823 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:57:31,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890632602] [2021-06-01 19:57:31,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890632602] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:57:31,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643900313] [2021-06-01 19:57:31,823 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:57:31,854 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-01 19:57:31,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:57:31,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-01 19:57:31,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:57:31,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-01 19:57:31,951 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:31,961 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:31,962 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:57:31,962 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-01 19:57:32,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:32,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:32,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 37 [2021-06-01 19:57:32,056 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:32,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:32,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:57:32,062 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:32,091 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:32,092 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-01 19:57:32,092 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:113, output treesize:113 [2021-06-01 19:57:32,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:32,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-01 19:57:32,300 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:32,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:32,306 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 34 treesize of output 26 [2021-06-01 19:57:32,307 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:32,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:32,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-01 19:57:32,313 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:32,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:32,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-01 19:57:32,320 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:32,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:32,325 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 45 treesize of output 29 [2021-06-01 19:57:32,326 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:32,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:32,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-01 19:57:32,332 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:32,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:32,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-01 19:57:32,338 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:32,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:32,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-01 19:57:32,343 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:32,627 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2021-06-01 19:57:32,627 INFO L628 ElimStorePlain]: treesize reduction 461, result has 55.4 percent of original size [2021-06-01 19:57:32,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:32,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-01 19:57:32,634 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:32,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:32,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-01 19:57:32,639 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:32,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:32,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-01 19:57:32,644 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:32,853 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-06-01 19:57:32,854 INFO L628 ElimStorePlain]: treesize reduction 45, result has 90.8 percent of original size [2021-06-01 19:57:32,856 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-06-01 19:57:32,856 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 2 variables, input treesize:1177, output treesize:443 [2021-06-01 19:57:32,991 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-06-01 19:57:33,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:57:33,640 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:34,556 WARN L205 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 680 [2021-06-01 19:57:34,556 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:34,586 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 27 treesize of output 17 [2021-06-01 19:57:34,587 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:35,660 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 673 [2021-06-01 19:57:35,660 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:35,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-01 19:57:35,688 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:36,506 WARN L205 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 342 [2021-06-01 19:57:36,507 INFO L628 ElimStorePlain]: treesize reduction 868, result has 51.3 percent of original size [2021-06-01 19:57:36,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:57:36,523 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:36,839 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2021-06-01 19:57:36,839 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:36,853 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 27 treesize of output 15 [2021-06-01 19:57:36,854 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:36,905 INFO L628 ElimStorePlain]: treesize reduction 867, result has 0.6 percent of original size [2021-06-01 19:57:36,905 INFO L518 ElimStorePlain]: Eliminatee v_prenex_520 vanished before elimination [2021-06-01 19:57:36,905 INFO L518 ElimStorePlain]: Eliminatee v_prenex_565 vanished before elimination [2021-06-01 19:57:36,905 INFO L518 ElimStorePlain]: Eliminatee v_prenex_521 vanished before elimination [2021-06-01 19:57:36,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_566 vanished before elimination [2021-06-01 19:57:36,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_522 vanished before elimination [2021-06-01 19:57:36,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_567 vanished before elimination [2021-06-01 19:57:36,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_523 vanished before elimination [2021-06-01 19:57:36,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_568 vanished before elimination [2021-06-01 19:57:36,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_524 vanished before elimination [2021-06-01 19:57:36,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_558 vanished before elimination [2021-06-01 19:57:36,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_514 vanished before elimination [2021-06-01 19:57:36,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_515 vanished before elimination [2021-06-01 19:57:36,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_559 vanished before elimination [2021-06-01 19:57:36,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_516 vanished before elimination [2021-06-01 19:57:36,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_517 vanished before elimination [2021-06-01 19:57:36,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_518 vanished before elimination [2021-06-01 19:57:36,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_519 vanished before elimination [2021-06-01 19:57:36,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_550 vanished before elimination [2021-06-01 19:57:36,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_551 vanished before elimination [2021-06-01 19:57:36,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_552 vanished before elimination [2021-06-01 19:57:36,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_553 vanished before elimination [2021-06-01 19:57:36,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_510 vanished before elimination [2021-06-01 19:57:36,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_554 vanished before elimination [2021-06-01 19:57:36,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_555 vanished before elimination [2021-06-01 19:57:36,907 INFO L518 ElimStorePlain]: Eliminatee v_prenex_511 vanished before elimination [2021-06-01 19:57:36,907 INFO L518 ElimStorePlain]: Eliminatee v_prenex_556 vanished before elimination [2021-06-01 19:57:36,907 INFO L518 ElimStorePlain]: Eliminatee v_prenex_512 vanished before elimination [2021-06-01 19:57:36,907 INFO L518 ElimStorePlain]: Eliminatee v_prenex_557 vanished before elimination [2021-06-01 19:57:36,907 INFO L518 ElimStorePlain]: Eliminatee v_prenex_513 vanished before elimination [2021-06-01 19:57:36,907 INFO L518 ElimStorePlain]: Eliminatee v_prenex_547 vanished before elimination [2021-06-01 19:57:36,907 INFO L518 ElimStorePlain]: Eliminatee v_prenex_548 vanished before elimination [2021-06-01 19:57:36,907 INFO L518 ElimStorePlain]: Eliminatee v_prenex_549 vanished before elimination [2021-06-01 19:57:36,907 INFO L518 ElimStorePlain]: Eliminatee v_prenex_505 vanished before elimination [2021-06-01 19:57:36,907 INFO L518 ElimStorePlain]: Eliminatee v_prenex_506 vanished before elimination [2021-06-01 19:57:36,907 INFO L518 ElimStorePlain]: Eliminatee v_prenex_507 vanished before elimination [2021-06-01 19:57:36,907 INFO L518 ElimStorePlain]: Eliminatee v_prenex_508 vanished before elimination [2021-06-01 19:57:36,907 INFO L518 ElimStorePlain]: Eliminatee v_prenex_509 vanished before elimination [2021-06-01 19:57:36,907 INFO L518 ElimStorePlain]: Eliminatee v_prenex_580 vanished before elimination [2021-06-01 19:57:36,907 INFO L518 ElimStorePlain]: Eliminatee v_prenex_581 vanished before elimination [2021-06-01 19:57:36,907 INFO L518 ElimStorePlain]: Eliminatee v_prenex_582 vanished before elimination [2021-06-01 19:57:36,907 INFO L518 ElimStorePlain]: Eliminatee v_prenex_540 vanished before elimination [2021-06-01 19:57:36,907 INFO L518 ElimStorePlain]: Eliminatee v_prenex_541 vanished before elimination [2021-06-01 19:57:36,907 INFO L518 ElimStorePlain]: Eliminatee v_prenex_542 vanished before elimination [2021-06-01 19:57:36,907 INFO L518 ElimStorePlain]: Eliminatee v_prenex_543 vanished before elimination [2021-06-01 19:57:36,907 INFO L518 ElimStorePlain]: Eliminatee v_prenex_544 vanished before elimination [2021-06-01 19:57:36,907 INFO L518 ElimStorePlain]: Eliminatee v_prenex_545 vanished before elimination [2021-06-01 19:57:36,908 INFO L518 ElimStorePlain]: Eliminatee v_prenex_546 vanished before elimination [2021-06-01 19:57:36,908 INFO L518 ElimStorePlain]: Eliminatee v_prenex_536 vanished before elimination [2021-06-01 19:57:36,908 INFO L518 ElimStorePlain]: Eliminatee v_prenex_537 vanished before elimination [2021-06-01 19:57:36,908 INFO L518 ElimStorePlain]: Eliminatee v_prenex_538 vanished before elimination [2021-06-01 19:57:36,908 INFO L518 ElimStorePlain]: Eliminatee v_prenex_539 vanished before elimination [2021-06-01 19:57:36,908 INFO L518 ElimStorePlain]: Eliminatee v_prenex_570 vanished before elimination [2021-06-01 19:57:36,908 INFO L518 ElimStorePlain]: Eliminatee v_prenex_571 vanished before elimination [2021-06-01 19:57:36,908 INFO L518 ElimStorePlain]: Eliminatee v_prenex_572 vanished before elimination [2021-06-01 19:57:36,908 INFO L518 ElimStorePlain]: Eliminatee v_prenex_573 vanished before elimination [2021-06-01 19:57:36,908 INFO L518 ElimStorePlain]: Eliminatee v_prenex_530 vanished before elimination [2021-06-01 19:57:36,908 INFO L518 ElimStorePlain]: Eliminatee v_prenex_574 vanished before elimination [2021-06-01 19:57:36,908 INFO L518 ElimStorePlain]: Eliminatee v_prenex_575 vanished before elimination [2021-06-01 19:57:36,908 INFO L518 ElimStorePlain]: Eliminatee v_prenex_531 vanished before elimination [2021-06-01 19:57:36,908 INFO L518 ElimStorePlain]: Eliminatee v_prenex_576 vanished before elimination [2021-06-01 19:57:36,908 INFO L518 ElimStorePlain]: Eliminatee v_prenex_532 vanished before elimination [2021-06-01 19:57:36,908 INFO L518 ElimStorePlain]: Eliminatee v_prenex_533 vanished before elimination [2021-06-01 19:57:36,908 INFO L518 ElimStorePlain]: Eliminatee v_prenex_577 vanished before elimination [2021-06-01 19:57:36,908 INFO L518 ElimStorePlain]: Eliminatee v_prenex_534 vanished before elimination [2021-06-01 19:57:36,908 INFO L518 ElimStorePlain]: Eliminatee v_prenex_578 vanished before elimination [2021-06-01 19:57:36,908 INFO L518 ElimStorePlain]: Eliminatee v_prenex_579 vanished before elimination [2021-06-01 19:57:36,908 INFO L518 ElimStorePlain]: Eliminatee v_prenex_535 vanished before elimination [2021-06-01 19:57:36,908 INFO L518 ElimStorePlain]: Eliminatee v_prenex_525 vanished before elimination [2021-06-01 19:57:36,909 INFO L518 ElimStorePlain]: Eliminatee v_prenex_569 vanished before elimination [2021-06-01 19:57:36,909 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-01 19:57:36,909 INFO L518 ElimStorePlain]: Eliminatee v_prenex_526 vanished before elimination [2021-06-01 19:57:36,909 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-01 19:57:36,909 INFO L518 ElimStorePlain]: Eliminatee v_prenex_527 vanished before elimination [2021-06-01 19:57:36,909 INFO L518 ElimStorePlain]: Eliminatee v_prenex_528 vanished before elimination [2021-06-01 19:57:36,909 INFO L518 ElimStorePlain]: Eliminatee v_prenex_529 vanished before elimination [2021-06-01 19:57:36,909 INFO L550 ElimStorePlain]: Start of recursive call 1: 80 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:57:36,909 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 80 variables, input treesize:1841, output treesize:5 [2021-06-01 19:57:36,918 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:57:36,919 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643900313] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:57:36,919 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:57:36,919 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-06-01 19:57:36,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955999247] [2021-06-01 19:57:36,919 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-01 19:57:36,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:57:36,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-01 19:57:36,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=454, Unknown=0, NotChecked=0, Total=552 [2021-06-01 19:57:36,920 INFO L87 Difference]: Start difference. First operand 8009 states and 28631 transitions. Second operand has 24 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:57:37,069 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-06-01 19:57:37,732 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-06-01 19:57:38,329 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2021-06-01 19:57:38,632 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2021-06-01 19:57:39,388 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-06-01 19:57:40,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:57:40,001 INFO L93 Difference]: Finished difference Result 13143 states and 45967 transitions. [2021-06-01 19:57:40,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-01 19:57:40,001 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-01 19:57:40,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:57:40,024 INFO L225 Difference]: With dead ends: 13143 [2021-06-01 19:57:40,025 INFO L226 Difference]: Without dead ends: 12925 [2021-06-01 19:57:40,025 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 3007.6ms TimeCoverageRelationStatistics Valid=421, Invalid=2029, Unknown=0, NotChecked=0, Total=2450 [2021-06-01 19:57:40,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12925 states. [2021-06-01 19:57:40,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12925 to 7909. [2021-06-01 19:57:40,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7909 states, 7908 states have (on average 3.5706879109762264) internal successors, (28237), 7908 states have internal predecessors, (28237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:57:40,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7909 states to 7909 states and 28237 transitions. [2021-06-01 19:57:40,161 INFO L78 Accepts]: Start accepts. Automaton has 7909 states and 28237 transitions. Word has length 33 [2021-06-01 19:57:40,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:57:40,161 INFO L482 AbstractCegarLoop]: Abstraction has 7909 states and 28237 transitions. [2021-06-01 19:57:40,161 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:57:40,161 INFO L276 IsEmpty]: Start isEmpty. Operand 7909 states and 28237 transitions. [2021-06-01 19:57:40,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-01 19:57:40,173 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:57:40,173 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:57:40,376 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4118,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:57:40,377 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:57:40,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:57:40,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1958616328, now seen corresponding path program 33 times [2021-06-01 19:57:40,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:57:40,377 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614117124] [2021-06-01 19:57:40,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:57:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:57:40,892 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:57:40,892 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:57:40,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614117124] [2021-06-01 19:57:40,893 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614117124] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:57:40,893 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406764301] [2021-06-01 19:57:40,893 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:57:40,924 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-01 19:57:40,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:57:40,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-01 19:57:40,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:57:41,020 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 [2021-06-01 19:57:41,020 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:41,031 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:41,032 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:57:41,032 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-01 19:57:41,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:41,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2021-06-01 19:57:41,120 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:41,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:41,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:57:41,126 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:41,156 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:41,156 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-01 19:57:41,157 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:111, output treesize:113 [2021-06-01 19:57:41,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:41,396 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:41,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 44 [2021-06-01 19:57:41,399 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-01 19:57:41,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:41,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:41,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-01 19:57:41,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2021-06-01 19:57:41,407 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:41,513 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2021-06-01 19:57:41,514 INFO L628 ElimStorePlain]: treesize reduction 128, result has 54.3 percent of original size [2021-06-01 19:57:41,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:41,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-01 19:57:41,519 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:41,557 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:41,560 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-01 19:57:41,560 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:271, output treesize:156 [2021-06-01 19:57:41,848 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-06-01 19:57:43,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:57:43,492 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:43,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:57:43,503 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:43,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:57:43,515 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:43,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:57:43,527 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:43,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:57:43,538 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:43,549 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 27 treesize of output 17 [2021-06-01 19:57:43,550 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:43,562 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 29 treesize of output 17 [2021-06-01 19:57:43,563 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:43,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:57:43,575 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:43,586 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 27 treesize of output 17 [2021-06-01 19:57:43,588 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:43,600 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 27 treesize of output 17 [2021-06-01 19:57:43,601 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:43,612 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 29 treesize of output 17 [2021-06-01 19:57:43,613 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:43,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:57:43,624 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:43,635 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 27 treesize of output 17 [2021-06-01 19:57:43,636 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:43,647 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 29 treesize of output 17 [2021-06-01 19:57:43,647 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:43,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:57:43,662 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:43,673 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 27 treesize of output 17 [2021-06-01 19:57:43,675 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:45,853 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 138 DAG size of output: 133 [2021-06-01 19:57:45,854 INFO L628 ElimStorePlain]: treesize reduction 148, result has 94.8 percent of original size [2021-06-01 19:57:45,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-01 19:57:45,866 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:45,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-01 19:57:45,877 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:45,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-01 19:57:45,889 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:45,896 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 25 treesize of output 15 [2021-06-01 19:57:45,898 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:46,587 WARN L205 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 58 [2021-06-01 19:57:46,587 INFO L628 ElimStorePlain]: treesize reduction 1841, result has 29.1 percent of original size [2021-06-01 19:57:46,588 INFO L518 ElimStorePlain]: Eliminatee v_prenex_584 vanished before elimination [2021-06-01 19:57:46,588 INFO L518 ElimStorePlain]: Eliminatee v_prenex_585 vanished before elimination [2021-06-01 19:57:46,594 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 18 treesize of output 10 [2021-06-01 19:57:46,595 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:46,599 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:57:46,600 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:46,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 10 [2021-06-01 19:57:46,607 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:46,610 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:57:46,610 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:46,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2021-06-01 19:57:46,617 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:46,621 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:57:46,621 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:46,627 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 20 treesize of output 10 [2021-06-01 19:57:46,628 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:46,632 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:57:46,632 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:46,636 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:57:46,636 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:46,639 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:57:46,640 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:46,643 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:57:46,643 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:46,646 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:57:46,647 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:46,649 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:57:46,650 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:46,653 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:57:46,654 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:46,656 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:57:46,657 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:46,659 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:57:46,660 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:46,704 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:46,709 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 18 treesize of output 10 [2021-06-01 19:57:46,711 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:46,713 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:57:46,713 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:46,715 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:57:46,716 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:46,717 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:57:46,718 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:46,729 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:46,730 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-01 19:57:46,730 INFO L247 ElimStorePlain]: Needed 41 recursive calls to eliminate 6 variables, input treesize:3473, output treesize:28 [2021-06-01 19:57:46,776 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:57:46,777 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406764301] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:57:46,777 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:57:46,777 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2021-06-01 19:57:46,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059286183] [2021-06-01 19:57:46,777 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-01 19:57:46,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:57:46,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-01 19:57:46,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=650, Unknown=0, NotChecked=0, Total=756 [2021-06-01 19:57:46,778 INFO L87 Difference]: Start difference. First operand 7909 states and 28237 transitions. Second operand has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:57:48,245 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2021-06-01 19:57:49,462 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-06-01 19:57:49,646 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-06-01 19:57:49,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:57:49,703 INFO L93 Difference]: Finished difference Result 11809 states and 41370 transitions. [2021-06-01 19:57:49,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-01 19:57:49,703 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-01 19:57:49,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:57:49,722 INFO L225 Difference]: With dead ends: 11809 [2021-06-01 19:57:49,722 INFO L226 Difference]: Without dead ends: 11668 [2021-06-01 19:57:49,723 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 2992.6ms TimeCoverageRelationStatistics Valid=365, Invalid=2391, Unknown=0, NotChecked=0, Total=2756 [2021-06-01 19:57:49,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11668 states. [2021-06-01 19:57:49,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11668 to 7941. [2021-06-01 19:57:49,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7941 states, 7940 states have (on average 3.566876574307305) internal successors, (28321), 7940 states have internal predecessors, (28321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:57:49,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7941 states to 7941 states and 28321 transitions. [2021-06-01 19:57:49,842 INFO L78 Accepts]: Start accepts. Automaton has 7941 states and 28321 transitions. Word has length 33 [2021-06-01 19:57:49,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:57:49,842 INFO L482 AbstractCegarLoop]: Abstraction has 7941 states and 28321 transitions. [2021-06-01 19:57:49,842 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:57:49,843 INFO L276 IsEmpty]: Start isEmpty. Operand 7941 states and 28321 transitions. [2021-06-01 19:57:49,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-01 19:57:49,852 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:57:49,852 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:57:50,053 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable4148 [2021-06-01 19:57:50,053 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:57:50,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:57:50,053 INFO L82 PathProgramCache]: Analyzing trace with hash -617777642, now seen corresponding path program 34 times [2021-06-01 19:57:50,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:57:50,054 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308085608] [2021-06-01 19:57:50,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:57:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:57:50,482 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:57:50,482 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:57:50,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308085608] [2021-06-01 19:57:50,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308085608] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:57:50,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141391874] [2021-06-01 19:57:50,482 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:57:50,514 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-01 19:57:50,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:57:50,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-01 19:57:50,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:57:50,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:57:50,596 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:50,606 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:50,607 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:57:50,607 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-06-01 19:57:50,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:50,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:57:50,705 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:50,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:50,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 37 [2021-06-01 19:57:50,715 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:50,744 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:50,745 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-01 19:57:50,745 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:113, output treesize:113 [2021-06-01 19:57:50,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:50,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-01 19:57:50,820 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:50,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:50,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 32 [2021-06-01 19:57:50,825 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:50,876 INFO L628 ElimStorePlain]: treesize reduction 77, result has 56.0 percent of original size [2021-06-01 19:57:50,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:57:50,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-01 19:57:50,881 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:50,899 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:50,900 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-01 19:57:50,900 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:219, output treesize:74 [2021-06-01 19:57:52,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:57:52,561 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:52,579 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 27 treesize of output 17 [2021-06-01 19:57:52,580 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:52,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:57:52,599 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:52,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:57:52,615 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:55,320 WARN L205 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 287 DAG size of output: 284 [2021-06-01 19:57:55,321 INFO L628 ElimStorePlain]: treesize reduction 50, result has 97.7 percent of original size [2021-06-01 19:57:55,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:57:55,357 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:55,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:57:55,381 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:55,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-01 19:57:55,399 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:55,411 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 27 treesize of output 17 [2021-06-01 19:57:55,412 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:56,582 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 273 [2021-06-01 19:57:56,583 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:57:56,601 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 25 treesize of output 15 [2021-06-01 19:57:56,603 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:56,615 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 25 treesize of output 15 [2021-06-01 19:57:56,617 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:58,722 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-06-01 19:57:58,723 INFO L628 ElimStorePlain]: treesize reduction 140, result has 92.7 percent of original size [2021-06-01 19:57:58,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:57:58,740 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:58,756 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 29 treesize of output 17 [2021-06-01 19:57:58,757 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 19:57:58,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-01 19:57:58,772 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:00,610 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 251 DAG size of output: 249 [2021-06-01 19:58:00,611 INFO L628 ElimStorePlain]: treesize reduction 25, result has 98.5 percent of original size [2021-06-01 19:58:00,626 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 25 treesize of output 15 [2021-06-01 19:58:00,627 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:00,637 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 25 treesize of output 15 [2021-06-01 19:58:00,638 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:01,013 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 5 [2021-06-01 19:58:01,013 INFO L628 ElimStorePlain]: treesize reduction 1640, result has 0.3 percent of original size [2021-06-01 19:58:01,013 INFO L518 ElimStorePlain]: Eliminatee v_prenex_595 vanished before elimination [2021-06-01 19:58:01,013 INFO L518 ElimStorePlain]: Eliminatee v_prenex_596 vanished before elimination [2021-06-01 19:58:01,013 INFO L518 ElimStorePlain]: Eliminatee v_prenex_597 vanished before elimination [2021-06-01 19:58:01,013 INFO L518 ElimStorePlain]: Eliminatee v_prenex_598 vanished before elimination [2021-06-01 19:58:01,013 INFO L518 ElimStorePlain]: Eliminatee v_prenex_610 vanished before elimination [2021-06-01 19:58:01,013 INFO L518 ElimStorePlain]: Eliminatee v_prenex_599 vanished before elimination [2021-06-01 19:58:01,013 INFO L518 ElimStorePlain]: Eliminatee v_prenex_600 vanished before elimination [2021-06-01 19:58:01,013 INFO L518 ElimStorePlain]: Eliminatee v_prenex_589 vanished before elimination [2021-06-01 19:58:01,013 INFO L518 ElimStorePlain]: Eliminatee v_prenex_601 vanished before elimination [2021-06-01 19:58:01,013 INFO L518 ElimStorePlain]: Eliminatee v_prenex_602 vanished before elimination [2021-06-01 19:58:01,014 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-01 19:58:01,014 INFO L518 ElimStorePlain]: Eliminatee v_prenex_603 vanished before elimination [2021-06-01 19:58:01,014 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-01 19:58:01,014 INFO L518 ElimStorePlain]: Eliminatee v_prenex_604 vanished before elimination [2021-06-01 19:58:01,014 INFO L518 ElimStorePlain]: Eliminatee v_prenex_605 vanished before elimination [2021-06-01 19:58:01,014 INFO L518 ElimStorePlain]: Eliminatee v_prenex_606 vanished before elimination [2021-06-01 19:58:01,014 INFO L518 ElimStorePlain]: Eliminatee v_prenex_607 vanished before elimination [2021-06-01 19:58:01,014 INFO L518 ElimStorePlain]: Eliminatee v_prenex_608 vanished before elimination [2021-06-01 19:58:01,014 INFO L518 ElimStorePlain]: Eliminatee v_prenex_609 vanished before elimination [2021-06-01 19:58:01,014 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 19:58:01,014 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 24 variables, input treesize:2209, output treesize:5 [2021-06-01 19:58:01,023 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 19:58:01,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141391874] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:58:01,023 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:58:01,023 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-06-01 19:58:01,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174151739] [2021-06-01 19:58:01,023 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-01 19:58:01,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:58:01,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-01 19:58:01,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2021-06-01 19:58:01,024 INFO L87 Difference]: Start difference. First operand 7941 states and 28321 transitions. Second operand has 23 states, 23 states have (on average 2.5217391304347827) internal successors, (58), 22 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:58:01,325 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-06-01 19:58:02,916 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-06-01 19:58:03,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:58:03,184 INFO L93 Difference]: Finished difference Result 13846 states and 47410 transitions. [2021-06-01 19:58:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-01 19:58:03,184 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.5217391304347827) internal successors, (58), 22 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-01 19:58:03,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:58:03,208 INFO L225 Difference]: With dead ends: 13846 [2021-06-01 19:58:03,208 INFO L226 Difference]: Without dead ends: 13580 [2021-06-01 19:58:03,209 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 699 ImplicationChecksByTransitivity, 2062.4ms TimeCoverageRelationStatistics Valid=413, Invalid=1749, Unknown=0, NotChecked=0, Total=2162 [2021-06-01 19:58:03,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13580 states. [2021-06-01 19:58:03,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13580 to 7897. [2021-06-01 19:58:03,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7897 states, 7896 states have (on average 3.5713019250253293) internal successors, (28199), 7896 states have internal predecessors, (28199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:58:03,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7897 states to 7897 states and 28199 transitions. [2021-06-01 19:58:03,367 INFO L78 Accepts]: Start accepts. Automaton has 7897 states and 28199 transitions. Word has length 33 [2021-06-01 19:58:03,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:58:03,367 INFO L482 AbstractCegarLoop]: Abstraction has 7897 states and 28199 transitions. [2021-06-01 19:58:03,367 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.5217391304347827) internal successors, (58), 22 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:58:03,367 INFO L276 IsEmpty]: Start isEmpty. Operand 7897 states and 28199 transitions. [2021-06-01 19:58:03,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-01 19:58:03,378 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:58:03,378 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:58:03,579 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4722,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:58:03,579 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:58:03,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:58:03,579 INFO L82 PathProgramCache]: Analyzing trace with hash -302436886, now seen corresponding path program 35 times [2021-06-01 19:58:03,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:58:03,580 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787135296] [2021-06-01 19:58:03,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:58:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:58:03,617 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-01 19:58:03,618 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:58:03,618 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787135296] [2021-06-01 19:58:03,618 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787135296] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:58:03,618 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885862824] [2021-06-01 19:58:03,618 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:58:03,654 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-01 19:58:03,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:58:03,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-01 19:58:03,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:58:03,697 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-01 19:58:03,698 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885862824] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:58:03,698 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:58:03,698 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-01 19:58:03,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169411347] [2021-06-01 19:58:03,698 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-01 19:58:03,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:58:03,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-01 19:58:03,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-06-01 19:58:03,699 INFO L87 Difference]: Start difference. First operand 7897 states and 28199 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:58:03,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:58:03,862 INFO L93 Difference]: Finished difference Result 12284 states and 42934 transitions. [2021-06-01 19:58:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-01 19:58:03,863 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-01 19:58:03,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:58:03,891 INFO L225 Difference]: With dead ends: 12284 [2021-06-01 19:58:03,891 INFO L226 Difference]: Without dead ends: 12248 [2021-06-01 19:58:03,891 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 52.6ms TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-06-01 19:58:03,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12248 states. [2021-06-01 19:58:04,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12248 to 10329. [2021-06-01 19:58:04,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10329 states, 10328 states have (on average 3.621998450813323) internal successors, (37408), 10328 states have internal predecessors, (37408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:58:04,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10329 states to 10329 states and 37408 transitions. [2021-06-01 19:58:04,104 INFO L78 Accepts]: Start accepts. Automaton has 10329 states and 37408 transitions. Word has length 35 [2021-06-01 19:58:04,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:58:04,104 INFO L482 AbstractCegarLoop]: Abstraction has 10329 states and 37408 transitions. [2021-06-01 19:58:04,104 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:58:04,104 INFO L276 IsEmpty]: Start isEmpty. Operand 10329 states and 37408 transitions. [2021-06-01 19:58:04,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-01 19:58:04,118 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:58:04,118 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:58:04,318 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5157 [2021-06-01 19:58:04,319 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:58:04,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:58:04,319 INFO L82 PathProgramCache]: Analyzing trace with hash 612932962, now seen corresponding path program 36 times [2021-06-01 19:58:04,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:58:04,319 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970472382] [2021-06-01 19:58:04,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:58:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:58:04,340 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-01 19:58:04,340 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:58:04,340 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970472382] [2021-06-01 19:58:04,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970472382] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:58:04,340 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952367536] [2021-06-01 19:58:04,340 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:58:04,369 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-01 19:58:04,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:58:04,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-01 19:58:04,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:58:04,409 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-01 19:58:04,409 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952367536] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:58:04,409 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:58:04,409 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-01 19:58:04,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346571447] [2021-06-01 19:58:04,410 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-01 19:58:04,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:58:04,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-01 19:58:04,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-01 19:58:04,410 INFO L87 Difference]: Start difference. First operand 10329 states and 37408 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:58:04,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:58:04,503 INFO L93 Difference]: Finished difference Result 11882 states and 41775 transitions. [2021-06-01 19:58:04,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 19:58:04,504 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-01 19:58:04,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:58:04,523 INFO L225 Difference]: With dead ends: 11882 [2021-06-01 19:58:04,523 INFO L226 Difference]: Without dead ends: 11882 [2021-06-01 19:58:04,523 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 28.5ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-06-01 19:58:04,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11882 states. [2021-06-01 19:58:04,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11882 to 9465. [2021-06-01 19:58:04,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9465 states, 9464 states have (on average 3.5864327979712596) internal successors, (33942), 9464 states have internal predecessors, (33942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:58:04,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9465 states to 9465 states and 33942 transitions. [2021-06-01 19:58:04,764 INFO L78 Accepts]: Start accepts. Automaton has 9465 states and 33942 transitions. Word has length 35 [2021-06-01 19:58:04,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:58:04,764 INFO L482 AbstractCegarLoop]: Abstraction has 9465 states and 33942 transitions. [2021-06-01 19:58:04,764 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:58:04,764 INFO L276 IsEmpty]: Start isEmpty. Operand 9465 states and 33942 transitions. [2021-06-01 19:58:04,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-01 19:58:04,776 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:58:04,776 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:58:04,977 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5158,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:58:04,977 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:58:04,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:58:04,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1946736312, now seen corresponding path program 37 times [2021-06-01 19:58:04,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:58:04,978 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924064084] [2021-06-01 19:58:04,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:58:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:58:04,999 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-01 19:58:04,999 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:58:04,999 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924064084] [2021-06-01 19:58:04,999 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924064084] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:58:04,999 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531375264] [2021-06-01 19:58:04,999 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:58:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:58:05,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-01 19:58:05,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:58:05,101 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-01 19:58:05,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531375264] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:58:05,101 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:58:05,101 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-01 19:58:05,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124862970] [2021-06-01 19:58:05,102 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-01 19:58:05,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:58:05,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-01 19:58:05,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-01 19:58:05,102 INFO L87 Difference]: Start difference. First operand 9465 states and 33942 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:58:05,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:58:05,244 INFO L93 Difference]: Finished difference Result 13818 states and 48445 transitions. [2021-06-01 19:58:05,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 19:58:05,245 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-01 19:58:05,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:58:05,280 INFO L225 Difference]: With dead ends: 13818 [2021-06-01 19:58:05,281 INFO L226 Difference]: Without dead ends: 13785 [2021-06-01 19:58:05,281 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 27.2ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-06-01 19:58:05,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13785 states. [2021-06-01 19:58:05,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13785 to 11062. [2021-06-01 19:58:05,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11062 states, 11061 states have (on average 3.6520206129644697) internal successors, (40395), 11061 states have internal predecessors, (40395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:58:05,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11062 states to 11062 states and 40395 transitions. [2021-06-01 19:58:05,559 INFO L78 Accepts]: Start accepts. Automaton has 11062 states and 40395 transitions. Word has length 35 [2021-06-01 19:58:05,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:58:05,559 INFO L482 AbstractCegarLoop]: Abstraction has 11062 states and 40395 transitions. [2021-06-01 19:58:05,559 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:58:05,559 INFO L276 IsEmpty]: Start isEmpty. Operand 11062 states and 40395 transitions. [2021-06-01 19:58:05,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-01 19:58:05,576 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:58:05,576 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:58:05,776 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5159,37 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:58:05,777 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:58:05,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:58:05,777 INFO L82 PathProgramCache]: Analyzing trace with hash 698919468, now seen corresponding path program 38 times [2021-06-01 19:58:05,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:58:05,777 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489325474] [2021-06-01 19:58:05,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:58:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:58:05,794 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-01 19:58:05,794 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:58:05,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489325474] [2021-06-01 19:58:05,794 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489325474] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:58:05,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509354838] [2021-06-01 19:58:05,794 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:58:05,823 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-01 19:58:05,823 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:58:05,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-01 19:58:05,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:58:05,862 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-01 19:58:05,863 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509354838] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:58:05,863 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:58:05,863 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-01 19:58:05,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195630777] [2021-06-01 19:58:05,863 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-01 19:58:05,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:58:05,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-01 19:58:05,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-01 19:58:05,864 INFO L87 Difference]: Start difference. First operand 11062 states and 40395 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:58:05,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 19:58:05,973 INFO L93 Difference]: Finished difference Result 14568 states and 51142 transitions. [2021-06-01 19:58:05,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 19:58:05,974 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-01 19:58:05,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 19:58:05,999 INFO L225 Difference]: With dead ends: 14568 [2021-06-01 19:58:05,999 INFO L226 Difference]: Without dead ends: 14568 [2021-06-01 19:58:06,000 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 26.4ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-06-01 19:58:06,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14568 states. [2021-06-01 19:58:06,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14568 to 11105. [2021-06-01 19:58:06,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11105 states, 11104 states have (on average 3.649315561959654) internal successors, (40522), 11104 states have internal predecessors, (40522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:58:06,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11105 states to 11105 states and 40522 transitions. [2021-06-01 19:58:06,208 INFO L78 Accepts]: Start accepts. Automaton has 11105 states and 40522 transitions. Word has length 35 [2021-06-01 19:58:06,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 19:58:06,208 INFO L482 AbstractCegarLoop]: Abstraction has 11105 states and 40522 transitions. [2021-06-01 19:58:06,208 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:58:06,208 INFO L276 IsEmpty]: Start isEmpty. Operand 11105 states and 40522 transitions. [2021-06-01 19:58:06,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-01 19:58:06,223 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 19:58:06,223 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 19:58:06,423 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5160 [2021-06-01 19:58:06,424 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 19:58:06,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 19:58:06,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1570214760, now seen corresponding path program 39 times [2021-06-01 19:58:06,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 19:58:06,424 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99173493] [2021-06-01 19:58:06,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 19:58:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 19:58:06,451 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-01 19:58:06,451 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 19:58:06,451 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99173493] [2021-06-01 19:58:06,451 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99173493] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:58:06,451 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588555274] [2021-06-01 19:58:06,451 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 19:58:06,489 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-01 19:58:06,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 19:58:06,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjunts are in the unsatisfiable core [2021-06-01 19:58:06,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 19:58:06,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:58:06,662 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:06,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:58:06,668 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:06,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:58:06,674 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:06,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 19:58:06,679 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:06,771 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:06,773 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-01 19:58:06,773 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:245, output treesize:241 [2021-06-01 19:58:07,824 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-06-01 19:58:08,680 INFO L446 ElimStorePlain]: Different costs {1=[v_C_64], 190=[A, B]} [2021-06-01 19:58:08,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:08,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:58:08,698 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:08,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:08,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:58:08,714 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:08,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:08,730 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 30 treesize of output 32 [2021-06-01 19:58:08,731 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:08,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:08,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:58:08,749 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:08,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:08,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:58:08,766 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:08,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:08,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:58:08,783 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:08,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:08,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:58:08,800 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:08,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:08,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:58:08,818 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:08,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:08,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:58:08,838 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:08,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:08,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:58:08,856 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:08,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:08,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:58:08,873 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:08,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:08,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:58:08,890 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:08,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:08,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:58:08,908 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:08,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:08,925 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 [2021-06-01 19:58:08,926 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:08,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:08,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:58:08,946 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:08,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:08,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-01 19:58:08,963 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:09,513 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2021-06-01 19:58:09,513 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:09,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:09,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:09,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:09,576 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:09,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-06-01 19:58:09,617 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2021-06-01 19:58:09,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:09,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:09,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:09,710 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:09,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 93 [2021-06-01 19:58:09,721 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:09,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:09,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:09,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:09,794 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:09,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 93 [2021-06-01 19:58:09,805 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:09,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:09,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:09,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:09,881 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:09,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-06-01 19:58:09,941 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 2 xjuncts. [2021-06-01 19:58:09,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:09,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:09,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:10,024 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:10,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-06-01 19:58:10,140 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2021-06-01 19:58:10,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:10,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:10,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:10,230 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:10,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-06-01 19:58:10,286 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2021-06-01 19:58:10,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:10,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:10,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:10,371 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:10,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-06-01 19:58:10,446 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2021-06-01 19:58:10,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:10,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:10,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:10,538 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:10,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 93 [2021-06-01 19:58:10,562 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:10,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:10,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:10,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:10,649 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:10,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 93 [2021-06-01 19:58:10,667 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:10,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:10,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:10,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:10,758 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:10,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 93 [2021-06-01 19:58:10,779 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:10,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:10,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:10,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:10,869 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:10,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-06-01 19:58:10,941 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 2 xjuncts. [2021-06-01 19:58:10,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:10,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:10,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:11,068 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:11,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 93 [2021-06-01 19:58:11,082 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:11,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:11,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:11,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:11,194 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:11,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-06-01 19:58:11,249 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 2 xjuncts. [2021-06-01 19:58:11,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:11,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:11,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:11,351 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:11,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 93 [2021-06-01 19:58:11,371 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:11,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:11,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:11,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:11,475 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:11,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-06-01 19:58:11,551 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 2 xjuncts. [2021-06-01 19:58:11,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:11,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:11,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:11,668 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:11,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 93 [2021-06-01 19:58:11,678 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-01 19:58:17,061 WARN L205 SmtUtils]: Spent 5.38 s on a formula simplification. DAG size of input: 648 DAG size of output: 443 [2021-06-01 19:58:17,062 INFO L628 ElimStorePlain]: treesize reduction 4722, result has 47.7 percent of original size [2021-06-01 19:58:17,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:17,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:17,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:17,145 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:17,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 277 treesize of output 267 [2021-06-01 19:58:17,713 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 4 xjuncts. [2021-06-01 19:58:17,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:17,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:17,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:17,813 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:17,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 289 treesize of output 275 [2021-06-01 19:58:18,456 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 6 xjuncts. [2021-06-01 19:58:18,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:18,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:18,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:18,563 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:18,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 206 treesize of output 210 [2021-06-01 19:58:19,436 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 5 xjuncts. [2021-06-01 19:58:19,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:19,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:19,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:19,554 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:19,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 261 treesize of output 249 [2021-06-01 19:58:20,060 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 5 xjuncts. [2021-06-01 19:58:20,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:20,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:20,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:20,210 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:20,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 325 treesize of output 303 [2021-06-01 19:58:21,079 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 383 [2021-06-01 19:58:21,195 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 383 [2021-06-01 19:58:21,321 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 387 [2021-06-01 19:58:21,817 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 411 [2021-06-01 19:58:21,929 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 411 [2021-06-01 19:58:22,047 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 411 [2021-06-01 19:58:22,066 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 3 xjuncts. [2021-06-01 19:58:22,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:22,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:22,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:22,214 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:22,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 221 treesize of output 223 [2021-06-01 19:58:22,845 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 312 [2021-06-01 19:58:22,954 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 312 [2021-06-01 19:58:23,074 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 315 [2021-06-01 19:58:24,262 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 480 [2021-06-01 19:58:24,443 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 480 [2021-06-01 19:58:24,626 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 480 [2021-06-01 19:58:24,654 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 6 xjuncts. [2021-06-01 19:58:24,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:24,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:24,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:24,812 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:24,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 327 treesize of output 301 [2021-06-01 19:58:25,511 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 477 [2021-06-01 19:58:26,143 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 479 [2021-06-01 19:58:26,282 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 479 [2021-06-01 19:58:26,413 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 479 [2021-06-01 19:58:26,436 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 3 xjuncts. [2021-06-01 19:58:26,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:26,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:26,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:26,622 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:26,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 219 treesize of output 223 [2021-06-01 19:58:27,093 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-06-01 19:58:27,204 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-06-01 19:58:27,320 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2021-06-01 19:58:28,107 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 231 [2021-06-01 19:58:28,725 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 429 [2021-06-01 19:58:28,908 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 429 [2021-06-01 19:58:29,094 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 429 [2021-06-01 19:58:29,122 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 5 xjuncts. [2021-06-01 19:58:29,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:29,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:29,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:29,316 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:29,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 165 treesize of output 181 [2021-06-01 19:58:29,793 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 4 xjuncts. [2021-06-01 19:58:29,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:29,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:29,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:29,985 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:29,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 207 treesize of output 213 [2021-06-01 19:58:30,412 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 5 xjuncts. [2021-06-01 19:58:30,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:30,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:30,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:30,613 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:30,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 280 treesize of output 270 [2021-06-01 19:58:31,115 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2021-06-01 19:58:31,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:31,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:31,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:31,317 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:31,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 217 treesize of output 223 [2021-06-01 19:58:32,584 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 413 [2021-06-01 19:58:32,695 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 413 [2021-06-01 19:58:32,817 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 413 [2021-06-01 19:58:32,839 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 5 xjuncts. [2021-06-01 19:58:32,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:32,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:32,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:33,065 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-06-01 19:58:33,065 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:33,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 192 treesize of output 200 [2021-06-01 19:58:33,694 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 4 xjuncts. [2021-06-01 19:58:33,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:33,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:33,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:33,905 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:33,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 219 treesize of output 221 [2021-06-01 19:58:35,184 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 437 [2021-06-01 19:58:35,304 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 437 [2021-06-01 19:58:35,416 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 437 [2021-06-01 19:58:35,434 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 4 xjuncts. [2021-06-01 19:58:35,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:35,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:35,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:35,664 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:35,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 254 treesize of output 254 [2021-06-01 19:58:36,150 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 2 xjuncts. [2021-06-01 19:58:36,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:36,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:36,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:58:36,355 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:58:36,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 298 treesize of output 278 [2021-06-01 19:58:37,291 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 463 [2021-06-01 19:58:37,429 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 463 [2021-06-01 19:58:37,601 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 467 [2021-06-01 19:58:38,334 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 416 [2021-06-01 19:58:38,451 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 416 [2021-06-01 19:58:38,557 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 416 [2021-06-01 19:58:38,576 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 7 xjuncts. [2021-06-01 19:59:01,248 WARN L205 SmtUtils]: Spent 22.67 s on a formula simplification. DAG size of input: 3688 DAG size of output: 498 [2021-06-01 19:59:01,249 INFO L628 ElimStorePlain]: treesize reduction 70453, result has 4.6 percent of original size [2021-06-01 19:59:02,216 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 3 dim-1 vars, End of recursive call: 16 dim-0 vars, and 16 xjuncts. [2021-06-01 19:59:02,217 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 20 variables, input treesize:1537, output treesize:4101 [2021-06-01 19:59:03,754 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 788 DAG size of output: 203 [2021-06-01 19:59:04,533 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 116 [2021-06-01 19:59:05,650 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 173 [2021-06-01 19:59:06,178 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 171 [2021-06-01 19:59:06,772 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_710, v_prenex_699, v_prenex_700], 1=[v_prenex_703, v_prenex_707, v_prenex_709], 3=[v_prenex_701, C, v_prenex_704, v_prenex_706, v_prenex_708], 6=[v_prenex_702, v_prenex_705, v_prenex_711]} [2021-06-01 19:59:06,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-01 19:59:06,785 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 19:59:07,909 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 225 DAG size of output: 184 [2021-06-01 19:59:07,910 INFO L628 ElimStorePlain]: treesize reduction 262, result has 76.7 percent of original size [2021-06-01 19:59:07,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-06-01 19:59:07,921 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 19:59:08,741 WARN L205 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-06-01 19:59:08,741 INFO L628 ElimStorePlain]: treesize reduction 78, result has 90.9 percent of original size [2021-06-01 19:59:08,741 INFO L518 ElimStorePlain]: Eliminatee v_prenex_700 vanished before elimination [2021-06-01 19:59:08,761 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:59:08,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2021-06-01 19:59:08,764 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-01 19:59:08,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2021-06-01 19:59:08,774 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 19:59:09,564 WARN L205 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 160 [2021-06-01 19:59:09,564 INFO L628 ElimStorePlain]: treesize reduction 6, result has 99.2 percent of original size [2021-06-01 19:59:09,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:59:09,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-06-01 19:59:09,577 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 19:59:09,583 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:59:09,584 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 19:59:09,955 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2021-06-01 19:59:09,955 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:59:09,955 INFO L518 ElimStorePlain]: Eliminatee v_prenex_709 vanished before elimination [2021-06-01 19:59:09,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:59:09,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2021-06-01 19:59:09,966 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 19:59:09,972 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:59:09,972 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 19:59:10,303 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-06-01 19:59:10,304 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:59:10,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:59:10,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-06-01 19:59:10,316 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 19:59:10,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:59:10,342 INFO L354 Elim1Store]: treesize reduction 8, result has 57.9 percent of original size [2021-06-01 19:59:10,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 24 [2021-06-01 19:59:10,344 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 19:59:10,663 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-06-01 19:59:10,664 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:59:10,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:59:10,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-06-01 19:59:10,675 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 19:59:10,680 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-01 19:59:10,681 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 19:59:10,954 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-06-01 19:59:10,954 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:59:10,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:59:10,979 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:59:10,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 30 [2021-06-01 19:59:10,986 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2021-06-01 19:59:10,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:59:10,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 12 [2021-06-01 19:59:10,995 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-01 19:59:11,539 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2021-06-01 19:59:11,539 INFO L628 ElimStorePlain]: treesize reduction 20, result has 96.6 percent of original size [2021-06-01 19:59:11,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:59:11,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:59:11,559 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:59:11,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 20 [2021-06-01 19:59:11,562 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2021-06-01 19:59:11,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:59:11,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-01 19:59:11,572 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-01 19:59:12,069 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-06-01 19:59:12,069 INFO L628 ElimStorePlain]: treesize reduction 6, result has 98.9 percent of original size [2021-06-01 19:59:12,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:59:12,094 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:59:12,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 32 [2021-06-01 19:59:12,100 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2021-06-01 19:59:12,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:59:12,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:59:12,116 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:59:12,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 24 [2021-06-01 19:59:12,119 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2021-06-01 19:59:12,606 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2021-06-01 19:59:12,607 INFO L628 ElimStorePlain]: treesize reduction 13, result has 97.5 percent of original size [2021-06-01 19:59:12,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:59:12,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:59:12,626 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:59:12,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-06-01 19:59:12,630 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-01 19:59:12,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:59:12,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:59:12,669 INFO L354 Elim1Store]: treesize reduction 12, result has 67.6 percent of original size [2021-06-01 19:59:12,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 29 treesize of output 39 [2021-06-01 19:59:12,673 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-01 19:59:12,897 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-06-01 19:59:12,898 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:59:12,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:59:12,921 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:59:12,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-06-01 19:59:12,928 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2021-06-01 19:59:12,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:59:12,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 19:59:12,944 INFO L354 Elim1Store]: treesize reduction 4, result has 60.0 percent of original size [2021-06-01 19:59:12,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 18 [2021-06-01 19:59:12,946 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-01 19:59:13,157 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-06-01 19:59:13,158 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 19:59:13,175 INFO L550 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 14 dim-1 vars, End of recursive call: and 14 xjuncts. [2021-06-01 19:59:13,175 INFO L247 ElimStorePlain]: Needed 23 recursive calls to eliminate 25 variables, input treesize:1131, output treesize:240 [2021-06-01 19:59:13,319 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-01 19:59:13,319 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588555274] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 19:59:13,319 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 19:59:13,319 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 16] total 21 [2021-06-01 19:59:13,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533714024] [2021-06-01 19:59:13,320 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-01 19:59:13,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 19:59:13,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-01 19:59:13,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2021-06-01 19:59:13,320 INFO L87 Difference]: Start difference. First operand 11105 states and 40522 transitions. Second operand has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 21 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 19:59:14,692 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2021-06-01 19:59:16,266 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 139 DAG size of output: 133 [2021-06-01 19:59:16,517 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-01 19:59:18,192 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2021-06-01 19:59:18,725 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 229 [2021-06-01 19:59:18,998 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-06-01 19:59:20,178 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 137 DAG size of output: 131 [2021-06-01 19:59:20,885 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 235 [2021-06-01 19:59:21,373 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 230 [2021-06-01 19:59:22,172 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 257 [2021-06-01 19:59:24,979 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 300 DAG size of output: 191 [2021-06-01 19:59:26,424 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 137 DAG size of output: 133 [2021-06-01 19:59:26,850 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 228 [2021-06-01 19:59:27,531 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 230 [2021-06-01 19:59:28,274 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2021-06-01 19:59:29,339 WARN L205 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 263 [2021-06-01 19:59:30,332 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 258 [2021-06-01 19:59:31,335 WARN L205 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2021-06-01 19:59:31,941 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2021-06-01 19:59:32,591 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 234 [2021-06-01 19:59:33,105 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 229 [2021-06-01 19:59:34,030 WARN L205 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2021-06-01 19:59:34,947 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 231 [2021-06-01 19:59:35,899 WARN L205 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2021-06-01 19:59:38,108 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 330 DAG size of output: 324 [2021-06-01 19:59:41,028 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 301 DAG size of output: 192 [2021-06-01 19:59:41,524 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 141 [2021-06-01 19:59:42,391 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 235 [2021-06-01 19:59:43,342 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 257 [2021-06-01 19:59:46,067 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 367 DAG size of output: 226 [2021-06-01 19:59:47,164 WARN L205 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 259 [2021-06-01 19:59:49,945 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 330 DAG size of output: 326 [2021-06-01 19:59:52,893 WARN L205 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 301 DAG size of output: 194 [2021-06-01 19:59:55,098 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 328 DAG size of output: 322 [2021-06-01 19:59:55,590 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-06-01 19:59:56,018 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-06-01 19:59:58,679 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 299 DAG size of output: 190 [2021-06-01 20:00:01,084 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 328 DAG size of output: 324 [2021-06-01 20:00:01,580 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2021-06-01 20:00:01,929 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2021-06-01 20:00:04,452 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 368 DAG size of output: 227 [2021-06-01 20:00:07,670 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 299 DAG size of output: 192 [2021-06-01 20:00:08,208 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-06-01 20:00:11,568 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 368 DAG size of output: 229 [2021-06-01 20:00:11,942 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-06-01 20:00:12,447 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-06-01 20:00:12,808 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2021-06-01 20:00:15,165 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 242 DAG size of output: 226 [2021-06-01 20:00:15,575 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-06-01 20:00:18,329 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 366 DAG size of output: 225 [2021-06-01 20:00:20,795 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 242 DAG size of output: 228 [2021-06-01 20:00:23,675 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 366 DAG size of output: 227 [2021-06-01 20:00:24,146 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2021-06-01 20:00:24,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 20:00:24,796 INFO L93 Difference]: Finished difference Result 21822 states and 74959 transitions. [2021-06-01 20:00:24,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-06-01 20:00:24,796 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 21 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-01 20:00:24,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 20:00:24,842 INFO L225 Difference]: With dead ends: 21822 [2021-06-01 20:00:24,842 INFO L226 Difference]: Without dead ends: 21590 [2021-06-01 20:00:24,844 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 14 SyntacticMatches, 7 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4587 ImplicationChecksByTransitivity, 70139.4ms TimeCoverageRelationStatistics Valid=2020, Invalid=10190, Unknown=0, NotChecked=0, Total=12210 [2021-06-01 20:00:24,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21590 states. [2021-06-01 20:00:25,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21590 to 10647. [2021-06-01 20:00:25,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10647 states, 10646 states have (on average 3.6323501784707872) internal successors, (38670), 10646 states have internal predecessors, (38670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:25,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10647 states to 10647 states and 38670 transitions. [2021-06-01 20:00:25,142 INFO L78 Accepts]: Start accepts. Automaton has 10647 states and 38670 transitions. Word has length 35 [2021-06-01 20:00:25,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 20:00:25,142 INFO L482 AbstractCegarLoop]: Abstraction has 10647 states and 38670 transitions. [2021-06-01 20:00:25,142 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 21 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:25,142 INFO L276 IsEmpty]: Start isEmpty. Operand 10647 states and 38670 transitions. [2021-06-01 20:00:25,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-01 20:00:25,158 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 20:00:25,158 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 20:00:25,369 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5161 [2021-06-01 20:00:25,370 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 20:00:25,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 20:00:25,370 INFO L82 PathProgramCache]: Analyzing trace with hash 816089412, now seen corresponding path program 40 times [2021-06-01 20:00:25,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 20:00:25,370 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529362159] [2021-06-01 20:00:25,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 20:00:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 20:00:25,397 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-01 20:00:25,397 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 20:00:25,397 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529362159] [2021-06-01 20:00:25,397 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529362159] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 20:00:25,397 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896870587] [2021-06-01 20:00:25,397 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 20:00:25,428 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-01 20:00:25,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 20:00:25,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-01 20:00:25,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 20:00:25,466 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-01 20:00:25,466 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896870587] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 20:00:25,466 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 20:00:25,466 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-06-01 20:00:25,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149130509] [2021-06-01 20:00:25,466 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-01 20:00:25,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 20:00:25,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-01 20:00:25,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-01 20:00:25,467 INFO L87 Difference]: Start difference. First operand 10647 states and 38670 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:25,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 20:00:25,605 INFO L93 Difference]: Finished difference Result 12594 states and 44270 transitions. [2021-06-01 20:00:25,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-01 20:00:25,605 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-01 20:00:25,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 20:00:25,632 INFO L225 Difference]: With dead ends: 12594 [2021-06-01 20:00:25,632 INFO L226 Difference]: Without dead ends: 12570 [2021-06-01 20:00:25,632 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 36.2ms TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2021-06-01 20:00:25,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12570 states. [2021-06-01 20:00:25,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12570 to 10369. [2021-06-01 20:00:25,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10369 states, 10368 states have (on average 3.6480516975308643) internal successors, (37823), 10368 states have internal predecessors, (37823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:25,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10369 states to 10369 states and 37823 transitions. [2021-06-01 20:00:25,833 INFO L78 Accepts]: Start accepts. Automaton has 10369 states and 37823 transitions. Word has length 35 [2021-06-01 20:00:25,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 20:00:25,833 INFO L482 AbstractCegarLoop]: Abstraction has 10369 states and 37823 transitions. [2021-06-01 20:00:25,833 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:25,908 INFO L276 IsEmpty]: Start isEmpty. Operand 10369 states and 37823 transitions. [2021-06-01 20:00:25,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-01 20:00:25,925 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 20:00:25,925 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 20:00:26,126 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10346 [2021-06-01 20:00:26,126 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 20:00:26,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 20:00:26,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1386836804, now seen corresponding path program 41 times [2021-06-01 20:00:26,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 20:00:26,127 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45238609] [2021-06-01 20:00:26,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 20:00:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 20:00:26,153 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-01 20:00:26,153 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 20:00:26,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45238609] [2021-06-01 20:00:26,153 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45238609] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 20:00:26,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352115262] [2021-06-01 20:00:26,153 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 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 20:00:26,200 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-01 20:00:26,200 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 20:00:26,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-01 20:00:26,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 20:00:26,244 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-01 20:00:26,244 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352115262] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 20:00:26,244 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 20:00:26,244 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-01 20:00:26,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37396213] [2021-06-01 20:00:26,244 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-01 20:00:26,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 20:00:26,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-01 20:00:26,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-01 20:00:26,245 INFO L87 Difference]: Start difference. First operand 10369 states and 37823 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:26,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 20:00:26,414 INFO L93 Difference]: Finished difference Result 15040 states and 53745 transitions. [2021-06-01 20:00:26,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 20:00:26,415 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-01 20:00:26,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 20:00:26,457 INFO L225 Difference]: With dead ends: 15040 [2021-06-01 20:00:26,457 INFO L226 Difference]: Without dead ends: 15001 [2021-06-01 20:00:26,457 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 30.3ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-06-01 20:00:26,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15001 states. [2021-06-01 20:00:26,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15001 to 13247. [2021-06-01 20:00:26,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13247 states, 13246 states have (on average 3.6953042427902765) internal successors, (48948), 13246 states have internal predecessors, (48948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:26,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13247 states to 13247 states and 48948 transitions. [2021-06-01 20:00:26,786 INFO L78 Accepts]: Start accepts. Automaton has 13247 states and 48948 transitions. Word has length 35 [2021-06-01 20:00:26,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 20:00:26,786 INFO L482 AbstractCegarLoop]: Abstraction has 13247 states and 48948 transitions. [2021-06-01 20:00:26,786 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:26,786 INFO L276 IsEmpty]: Start isEmpty. Operand 13247 states and 48948 transitions. [2021-06-01 20:00:26,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-01 20:00:26,808 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 20:00:26,808 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 20:00:27,008 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10347,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 20:00:27,009 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 20:00:27,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 20:00:27,009 INFO L82 PathProgramCache]: Analyzing trace with hash -262474712, now seen corresponding path program 42 times [2021-06-01 20:00:27,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 20:00:27,009 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99409542] [2021-06-01 20:00:27,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 20:00:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 20:00:27,033 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-01 20:00:27,034 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 20:00:27,034 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99409542] [2021-06-01 20:00:27,034 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99409542] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 20:00:27,034 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308688158] [2021-06-01 20:00:27,034 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 20:00:27,068 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-01 20:00:27,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 20:00:27,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-01 20:00:27,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 20:00:27,148 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-01 20:00:27,148 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308688158] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 20:00:27,148 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 20:00:27,148 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 11 [2021-06-01 20:00:27,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429962433] [2021-06-01 20:00:27,149 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-01 20:00:27,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 20:00:27,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-01 20:00:27,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-06-01 20:00:27,149 INFO L87 Difference]: Start difference. First operand 13247 states and 48948 transitions. Second operand has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 11 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:28,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 20:00:28,304 INFO L93 Difference]: Finished difference Result 32581 states and 108614 transitions. [2021-06-01 20:00:28,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-01 20:00:28,304 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 11 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-01 20:00:28,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 20:00:28,378 INFO L225 Difference]: With dead ends: 32581 [2021-06-01 20:00:28,378 INFO L226 Difference]: Without dead ends: 32062 [2021-06-01 20:00:28,379 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1795 ImplicationChecksByTransitivity, 617.5ms TimeCoverageRelationStatistics Valid=1195, Invalid=3775, Unknown=0, NotChecked=0, Total=4970 [2021-06-01 20:00:28,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32062 states. [2021-06-01 20:00:28,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32062 to 12636. [2021-06-01 20:00:28,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12636 states, 12635 states have (on average 3.6745548080728136) internal successors, (46428), 12635 states have internal predecessors, (46428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:28,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12636 states to 12636 states and 46428 transitions. [2021-06-01 20:00:28,748 INFO L78 Accepts]: Start accepts. Automaton has 12636 states and 46428 transitions. Word has length 35 [2021-06-01 20:00:28,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 20:00:28,748 INFO L482 AbstractCegarLoop]: Abstraction has 12636 states and 46428 transitions. [2021-06-01 20:00:28,748 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 11 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:28,748 INFO L276 IsEmpty]: Start isEmpty. Operand 12636 states and 46428 transitions. [2021-06-01 20:00:28,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-01 20:00:28,863 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 20:00:28,863 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 20:00:29,063 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10348 [2021-06-01 20:00:29,064 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 20:00:29,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 20:00:29,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1986810880, now seen corresponding path program 43 times [2021-06-01 20:00:29,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 20:00:29,064 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031414213] [2021-06-01 20:00:29,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 20:00:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 20:00:29,091 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-01 20:00:29,091 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 20:00:29,091 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031414213] [2021-06-01 20:00:29,092 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031414213] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 20:00:29,092 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521075448] [2021-06-01 20:00:29,092 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 20:00:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 20:00:29,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-01 20:00:29,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 20:00:29,160 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-01 20:00:29,160 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521075448] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 20:00:29,160 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 20:00:29,161 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-06-01 20:00:29,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145231013] [2021-06-01 20:00:29,161 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-01 20:00:29,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 20:00:29,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-01 20:00:29,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-01 20:00:29,161 INFO L87 Difference]: Start difference. First operand 12636 states and 46428 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:29,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 20:00:29,348 INFO L93 Difference]: Finished difference Result 23526 states and 84900 transitions. [2021-06-01 20:00:29,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-01 20:00:29,349 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-01 20:00:29,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 20:00:29,402 INFO L225 Difference]: With dead ends: 23526 [2021-06-01 20:00:29,402 INFO L226 Difference]: Without dead ends: 23412 [2021-06-01 20:00:29,402 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 37.0ms TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2021-06-01 20:00:29,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23412 states. [2021-06-01 20:00:29,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23412 to 19623. [2021-06-01 20:00:29,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19623 states, 19622 states have (on average 3.7180205891346447) internal successors, (72955), 19622 states have internal predecessors, (72955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:29,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19623 states to 19623 states and 72955 transitions. [2021-06-01 20:00:29,826 INFO L78 Accepts]: Start accepts. Automaton has 19623 states and 72955 transitions. Word has length 35 [2021-06-01 20:00:29,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 20:00:29,826 INFO L482 AbstractCegarLoop]: Abstraction has 19623 states and 72955 transitions. [2021-06-01 20:00:29,826 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:29,827 INFO L276 IsEmpty]: Start isEmpty. Operand 19623 states and 72955 transitions. [2021-06-01 20:00:29,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-01 20:00:29,857 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 20:00:29,857 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 20:00:30,058 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10349,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 20:00:30,058 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 20:00:30,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 20:00:30,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1730689920, now seen corresponding path program 44 times [2021-06-01 20:00:30,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 20:00:30,059 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740959869] [2021-06-01 20:00:30,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 20:00:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 20:00:30,104 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-01 20:00:30,104 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 20:00:30,104 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740959869] [2021-06-01 20:00:30,105 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740959869] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 20:00:30,105 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951958636] [2021-06-01 20:00:30,105 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 20:00:30,146 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-01 20:00:30,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 20:00:30,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-01 20:00:30,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 20:00:30,207 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-01 20:00:30,207 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951958636] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 20:00:30,207 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 20:00:30,207 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-06-01 20:00:30,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442978173] [2021-06-01 20:00:30,207 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-01 20:00:30,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 20:00:30,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-01 20:00:30,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-06-01 20:00:30,208 INFO L87 Difference]: Start difference. First operand 19623 states and 72955 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:30,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 20:00:30,438 INFO L93 Difference]: Finished difference Result 24857 states and 88380 transitions. [2021-06-01 20:00:30,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-01 20:00:30,439 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-01 20:00:30,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 20:00:30,500 INFO L225 Difference]: With dead ends: 24857 [2021-06-01 20:00:30,501 INFO L226 Difference]: Without dead ends: 24857 [2021-06-01 20:00:30,501 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 77.8ms TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2021-06-01 20:00:30,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24857 states. [2021-06-01 20:00:30,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24857 to 20199. [2021-06-01 20:00:30,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20199 states, 20198 states have (on average 3.685513417170017) internal successors, (74440), 20198 states have internal predecessors, (74440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:30,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20199 states to 20199 states and 74440 transitions. [2021-06-01 20:00:30,947 INFO L78 Accepts]: Start accepts. Automaton has 20199 states and 74440 transitions. Word has length 35 [2021-06-01 20:00:30,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 20:00:30,947 INFO L482 AbstractCegarLoop]: Abstraction has 20199 states and 74440 transitions. [2021-06-01 20:00:30,947 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:30,947 INFO L276 IsEmpty]: Start isEmpty. Operand 20199 states and 74440 transitions. [2021-06-01 20:00:30,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-01 20:00:30,978 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 20:00:30,979 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 20:00:31,179 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10350,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 20:00:31,179 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 20:00:31,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 20:00:31,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1660535036, now seen corresponding path program 45 times [2021-06-01 20:00:31,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 20:00:31,180 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601051022] [2021-06-01 20:00:31,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 20:00:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 20:00:31,345 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2021-06-01 20:00:31,355 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-01 20:00:31,355 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 20:00:31,355 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601051022] [2021-06-01 20:00:31,355 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601051022] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 20:00:31,355 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575483870] [2021-06-01 20:00:31,355 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 20:00:31,386 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-01 20:00:31,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 20:00:31,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-01 20:00:31,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 20:00:31,435 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-01 20:00:31,435 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575483870] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 20:00:31,435 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 20:00:31,435 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-01 20:00:31,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172135467] [2021-06-01 20:00:31,435 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-01 20:00:31,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 20:00:31,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-01 20:00:31,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-06-01 20:00:31,436 INFO L87 Difference]: Start difference. First operand 20199 states and 74440 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:31,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 20:00:31,648 INFO L93 Difference]: Finished difference Result 23811 states and 85228 transitions. [2021-06-01 20:00:31,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-01 20:00:31,648 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-01 20:00:31,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 20:00:31,865 INFO L225 Difference]: With dead ends: 23811 [2021-06-01 20:00:31,865 INFO L226 Difference]: Without dead ends: 23731 [2021-06-01 20:00:31,865 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 52.4ms TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-06-01 20:00:31,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23731 states. [2021-06-01 20:00:32,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23731 to 20741. [2021-06-01 20:00:32,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20741 states, 20740 states have (on average 3.660221793635487) internal successors, (75913), 20740 states have internal predecessors, (75913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:32,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20741 states to 20741 states and 75913 transitions. [2021-06-01 20:00:32,417 INFO L78 Accepts]: Start accepts. Automaton has 20741 states and 75913 transitions. Word has length 35 [2021-06-01 20:00:32,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 20:00:32,417 INFO L482 AbstractCegarLoop]: Abstraction has 20741 states and 75913 transitions. [2021-06-01 20:00:32,417 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:32,417 INFO L276 IsEmpty]: Start isEmpty. Operand 20741 states and 75913 transitions. [2021-06-01 20:00:32,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-01 20:00:32,453 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 20:00:32,453 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 20:00:32,668 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10351,45 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 20:00:32,669 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 20:00:32,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 20:00:32,669 INFO L82 PathProgramCache]: Analyzing trace with hash -525066968, now seen corresponding path program 46 times [2021-06-01 20:00:32,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 20:00:32,669 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423246853] [2021-06-01 20:00:32,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 20:00:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 20:00:32,784 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-01 20:00:32,784 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 20:00:32,784 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423246853] [2021-06-01 20:00:32,784 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423246853] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 20:00:32,784 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122026102] [2021-06-01 20:00:32,785 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 20:00:32,813 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-01 20:00:32,814 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 20:00:32,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-01 20:00:32,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 20:00:32,874 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-01 20:00:32,875 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122026102] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 20:00:32,875 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 20:00:32,875 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-06-01 20:00:32,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685396391] [2021-06-01 20:00:32,875 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-01 20:00:32,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 20:00:32,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-01 20:00:32,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-06-01 20:00:32,875 INFO L87 Difference]: Start difference. First operand 20741 states and 75913 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:33,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 20:00:33,923 INFO L93 Difference]: Finished difference Result 63883 states and 227418 transitions. [2021-06-01 20:00:33,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-01 20:00:33,924 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-01 20:00:33,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 20:00:34,238 INFO L225 Difference]: With dead ends: 63883 [2021-06-01 20:00:34,239 INFO L226 Difference]: Without dead ends: 61708 [2021-06-01 20:00:34,239 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 697 ImplicationChecksByTransitivity, 386.6ms TimeCoverageRelationStatistics Valid=605, Invalid=1747, Unknown=0, NotChecked=0, Total=2352 [2021-06-01 20:00:34,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61708 states. [2021-06-01 20:00:35,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61708 to 37262. [2021-06-01 20:00:35,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37262 states, 37261 states have (on average 3.697377955503073) internal successors, (137768), 37261 states have internal predecessors, (137768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:35,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37262 states to 37262 states and 137768 transitions. [2021-06-01 20:00:35,543 INFO L78 Accepts]: Start accepts. Automaton has 37262 states and 137768 transitions. Word has length 36 [2021-06-01 20:00:35,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 20:00:35,543 INFO L482 AbstractCegarLoop]: Abstraction has 37262 states and 137768 transitions. [2021-06-01 20:00:35,543 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:35,543 INFO L276 IsEmpty]: Start isEmpty. Operand 37262 states and 137768 transitions. [2021-06-01 20:00:35,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-01 20:00:35,748 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 20:00:35,748 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 20:00:35,948 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10352 [2021-06-01 20:00:35,949 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 20:00:35,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 20:00:35,949 INFO L82 PathProgramCache]: Analyzing trace with hash 320234802, now seen corresponding path program 47 times [2021-06-01 20:00:35,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 20:00:35,949 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454484954] [2021-06-01 20:00:35,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 20:00:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 20:00:35,973 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-01 20:00:35,973 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 20:00:35,974 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454484954] [2021-06-01 20:00:35,974 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454484954] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 20:00:35,974 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035558225] [2021-06-01 20:00:35,974 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 20:00:36,012 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-01 20:00:36,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 20:00:36,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-01 20:00:36,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 20:00:36,077 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-01 20:00:36,077 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035558225] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 20:00:36,077 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 20:00:36,077 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-06-01 20:00:36,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198716267] [2021-06-01 20:00:36,077 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-01 20:00:36,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 20:00:36,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-01 20:00:36,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-06-01 20:00:36,078 INFO L87 Difference]: Start difference. First operand 37262 states and 137768 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:37,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 20:00:37,294 INFO L93 Difference]: Finished difference Result 51360 states and 178973 transitions. [2021-06-01 20:00:37,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-01 20:00:37,294 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-01 20:00:37,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 20:00:37,456 INFO L225 Difference]: With dead ends: 51360 [2021-06-01 20:00:37,456 INFO L226 Difference]: Without dead ends: 51245 [2021-06-01 20:00:37,457 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1652 ImplicationChecksByTransitivity, 594.9ms TimeCoverageRelationStatistics Valid=900, Invalid=3260, Unknown=0, NotChecked=0, Total=4160 [2021-06-01 20:00:37,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51245 states. [2021-06-01 20:00:38,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51245 to 29984. [2021-06-01 20:00:38,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29984 states, 29983 states have (on average 3.6484341126638427) internal successors, (109391), 29983 states have internal predecessors, (109391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:38,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29984 states to 29984 states and 109391 transitions. [2021-06-01 20:00:38,359 INFO L78 Accepts]: Start accepts. Automaton has 29984 states and 109391 transitions. Word has length 36 [2021-06-01 20:00:38,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 20:00:38,359 INFO L482 AbstractCegarLoop]: Abstraction has 29984 states and 109391 transitions. [2021-06-01 20:00:38,359 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:38,359 INFO L276 IsEmpty]: Start isEmpty. Operand 29984 states and 109391 transitions. [2021-06-01 20:00:38,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-06-01 20:00:38,412 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 20:00:38,412 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 20:00:38,612 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10353 [2021-06-01 20:00:38,613 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 20:00:38,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 20:00:38,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1611245554, now seen corresponding path program 48 times [2021-06-01 20:00:38,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 20:00:38,613 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62549829] [2021-06-01 20:00:38,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 20:00:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 20:00:38,632 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-01 20:00:38,632 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 20:00:38,632 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62549829] [2021-06-01 20:00:38,632 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62549829] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 20:00:38,632 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103453887] [2021-06-01 20:00:38,632 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 20:00:38,663 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-01 20:00:38,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 20:00:38,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-01 20:00:38,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 20:00:38,730 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-01 20:00:38,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103453887] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 20:00:38,730 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 20:00:38,730 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-06-01 20:00:38,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918957216] [2021-06-01 20:00:38,730 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-01 20:00:38,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 20:00:38,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-01 20:00:38,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-06-01 20:00:38,731 INFO L87 Difference]: Start difference. First operand 29984 states and 109391 transitions. Second operand has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:39,076 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2021-06-01 20:00:40,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 20:00:40,090 INFO L93 Difference]: Finished difference Result 88037 states and 316542 transitions. [2021-06-01 20:00:40,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-01 20:00:40,091 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-06-01 20:00:40,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 20:00:40,399 INFO L225 Difference]: With dead ends: 88037 [2021-06-01 20:00:40,399 INFO L226 Difference]: Without dead ends: 87306 [2021-06-01 20:00:40,399 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 493.1ms TimeCoverageRelationStatistics Valid=407, Invalid=999, Unknown=0, NotChecked=0, Total=1406 [2021-06-01 20:00:40,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87306 states. [2021-06-01 20:00:41,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87306 to 51414. [2021-06-01 20:00:42,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51414 states, 51413 states have (on average 3.710754089432634) internal successors, (190781), 51413 states have internal predecessors, (190781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:42,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51414 states to 51414 states and 190781 transitions. [2021-06-01 20:00:42,188 INFO L78 Accepts]: Start accepts. Automaton has 51414 states and 190781 transitions. Word has length 37 [2021-06-01 20:00:42,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 20:00:42,189 INFO L482 AbstractCegarLoop]: Abstraction has 51414 states and 190781 transitions. [2021-06-01 20:00:42,189 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:42,189 INFO L276 IsEmpty]: Start isEmpty. Operand 51414 states and 190781 transitions. [2021-06-01 20:00:42,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-06-01 20:00:42,280 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 20:00:42,280 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 20:00:42,481 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10354 [2021-06-01 20:00:42,481 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 20:00:42,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 20:00:42,481 INFO L82 PathProgramCache]: Analyzing trace with hash -788362708, now seen corresponding path program 49 times [2021-06-01 20:00:42,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 20:00:42,482 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479472241] [2021-06-01 20:00:42,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 20:00:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 20:00:42,500 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-01 20:00:42,500 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 20:00:42,500 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479472241] [2021-06-01 20:00:42,500 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479472241] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 20:00:42,500 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546100032] [2021-06-01 20:00:42,500 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 20:00:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 20:00:42,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-01 20:00:42,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 20:00:42,600 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-01 20:00:42,600 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546100032] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 20:00:42,600 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 20:00:42,600 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-06-01 20:00:42,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746290592] [2021-06-01 20:00:42,600 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-01 20:00:42,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 20:00:42,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-01 20:00:42,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-06-01 20:00:42,601 INFO L87 Difference]: Start difference. First operand 51414 states and 190781 transitions. Second operand has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:43,061 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2021-06-01 20:00:44,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 20:00:44,092 INFO L93 Difference]: Finished difference Result 86651 states and 306862 transitions. [2021-06-01 20:00:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-01 20:00:44,092 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-06-01 20:00:44,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 20:00:44,701 INFO L225 Difference]: With dead ends: 86651 [2021-06-01 20:00:44,701 INFO L226 Difference]: Without dead ends: 86380 [2021-06-01 20:00:44,702 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1005 ImplicationChecksByTransitivity, 685.0ms TimeCoverageRelationStatistics Valid=759, Invalid=2321, Unknown=0, NotChecked=0, Total=3080 [2021-06-01 20:00:44,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86380 states. [2021-06-01 20:00:46,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86380 to 59748. [2021-06-01 20:00:46,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59748 states, 59747 states have (on average 3.7077175423033792) internal successors, (221525), 59747 states have internal predecessors, (221525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:46,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59748 states to 59748 states and 221525 transitions. [2021-06-01 20:00:46,299 INFO L78 Accepts]: Start accepts. Automaton has 59748 states and 221525 transitions. Word has length 38 [2021-06-01 20:00:46,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 20:00:46,299 INFO L482 AbstractCegarLoop]: Abstraction has 59748 states and 221525 transitions. [2021-06-01 20:00:46,299 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:46,299 INFO L276 IsEmpty]: Start isEmpty. Operand 59748 states and 221525 transitions. [2021-06-01 20:00:46,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-06-01 20:00:46,397 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 20:00:46,397 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 20:00:46,597 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10355 [2021-06-01 20:00:46,598 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 20:00:46,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 20:00:46,598 INFO L82 PathProgramCache]: Analyzing trace with hash 196735476, now seen corresponding path program 50 times [2021-06-01 20:00:46,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 20:00:46,598 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108363552] [2021-06-01 20:00:46,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 20:00:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 20:00:46,621 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-01 20:00:46,621 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 20:00:46,621 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108363552] [2021-06-01 20:00:46,621 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108363552] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 20:00:46,621 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960230883] [2021-06-01 20:00:46,622 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 20:00:46,651 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-01 20:00:46,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 20:00:46,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-01 20:00:46,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 20:00:46,743 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-01 20:00:46,743 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960230883] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 20:00:46,743 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 20:00:46,743 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2021-06-01 20:00:46,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242038283] [2021-06-01 20:00:46,744 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-01 20:00:46,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 20:00:46,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-01 20:00:46,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-06-01 20:00:46,744 INFO L87 Difference]: Start difference. First operand 59748 states and 221525 transitions. Second operand has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 12 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:48,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 20:00:48,351 INFO L93 Difference]: Finished difference Result 72805 states and 259035 transitions. [2021-06-01 20:00:48,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-01 20:00:48,351 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 12 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-06-01 20:00:48,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 20:00:48,578 INFO L225 Difference]: With dead ends: 72805 [2021-06-01 20:00:48,578 INFO L226 Difference]: Without dead ends: 72671 [2021-06-01 20:00:48,579 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 892 ImplicationChecksByTransitivity, 513.0ms TimeCoverageRelationStatistics Valid=750, Invalid=2220, Unknown=0, NotChecked=0, Total=2970 [2021-06-01 20:00:48,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72671 states. [2021-06-01 20:00:49,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72671 to 55854. [2021-06-01 20:00:50,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55854 states, 55853 states have (on average 3.6992999480779902) internal successors, (206617), 55853 states have internal predecessors, (206617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:50,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55854 states to 55854 states and 206617 transitions. [2021-06-01 20:00:50,299 INFO L78 Accepts]: Start accepts. Automaton has 55854 states and 206617 transitions. Word has length 38 [2021-06-01 20:00:50,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 20:00:50,299 INFO L482 AbstractCegarLoop]: Abstraction has 55854 states and 206617 transitions. [2021-06-01 20:00:50,299 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 12 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 20:00:50,299 INFO L276 IsEmpty]: Start isEmpty. Operand 55854 states and 206617 transitions. [2021-06-01 20:00:50,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-01 20:00:50,401 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 20:00:50,401 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 20:00:50,602 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10356 [2021-06-01 20:00:50,602 INFO L430 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 20:00:50,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 20:00:50,603 INFO L82 PathProgramCache]: Analyzing trace with hash 672084132, now seen corresponding path program 51 times [2021-06-01 20:00:50,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 20:00:50,603 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084251246] [2021-06-01 20:00:50,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 20:00:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 20:00:52,286 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-06-01 20:00:52,735 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 45 [2021-06-01 20:01:03,477 WARN L205 SmtUtils]: Spent 10.74 s on a formula simplification. DAG size of input: 245 DAG size of output: 296 [2021-06-01 20:01:04,004 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 41 [2021-06-01 20:01:13,966 WARN L205 SmtUtils]: Spent 9.96 s on a formula simplification. DAG size of input: 253 DAG size of output: 299 [2021-06-01 20:01:14,136 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 299 [2021-06-01 20:01:14,750 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 46 [2021-06-01 20:01:20,542 WARN L205 SmtUtils]: Spent 5.79 s on a formula simplification. DAG size of input: 258 DAG size of output: 222 [2021-06-01 20:01:20,658 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 221 [2021-06-01 20:01:21,050 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 46 [2021-06-01 20:01:26,359 WARN L205 SmtUtils]: Spent 5.31 s on a formula simplification. DAG size of input: 251 DAG size of output: 217 [2021-06-01 20:01:26,798 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 40 [2021-06-01 20:01:32,659 WARN L205 SmtUtils]: Spent 5.86 s on a formula simplification. DAG size of input: 233 DAG size of output: 205 [2021-06-01 20:01:33,071 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 42 [2021-06-01 20:01:39,188 WARN L205 SmtUtils]: Spent 6.11 s on a formula simplification. DAG size of input: 232 DAG size of output: 200 [2021-06-01 20:01:39,651 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 42 [2021-06-01 20:01:44,972 WARN L205 SmtUtils]: Spent 5.32 s on a formula simplification. DAG size of input: 228 DAG size of output: 193 [2021-06-01 20:01:45,360 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 38 [2021-06-01 20:01:47,058 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 174 DAG size of output: 122 [2021-06-01 20:01:47,316 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 35 [2021-06-01 20:01:49,076 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 171 DAG size of output: 119 [2021-06-01 20:01:49,264 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 32 [2021-06-01 20:01:49,669 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 49 [2021-06-01 20:01:49,865 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 24 [2021-06-01 20:01:50,022 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 22 [2021-06-01 20:01:50,072 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 20:01:50,072 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 20:01:50,072 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084251246] [2021-06-01 20:01:50,072 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084251246] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 20:01:50,072 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132011528] [2021-06-01 20:01:50,072 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 20:01:50,110 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-01 20:01:50,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 20:01:50,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-01 20:01:50,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 20:01:54,358 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification that was a NOOP. DAG size: 157 [2021-06-01 20:01:58,946 WARN L205 SmtUtils]: Spent 3.40 s on a formula simplification that was a NOOP. DAG size: 856 [2021-06-01 20:02:01,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:01,226 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:01,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:01,308 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:01,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:01,370 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:01,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:01,433 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:01,493 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 [2021-06-01 20:02:01,494 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:01,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:01,557 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:01,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:01,620 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:01,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:01,687 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:01,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:01,753 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:01,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:01,820 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:01,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:01,890 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:01,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:01,959 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:02,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:02,029 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:02,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:02,101 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:02,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:02,174 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:02,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:02,265 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:02,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:02,348 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:02,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:02,421 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:02,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:02,495 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:02,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:02,571 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:02,646 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 [2021-06-01 20:02:02,647 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:02,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:02,726 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:02,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:02,805 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:02,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:02,887 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:02,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:02,965 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:03,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:03,045 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:03,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:03,126 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:03,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:03,207 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:03,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:03,291 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:03,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:03,379 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:03,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:03,475 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:03,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:03,572 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:03,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:03,656 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:03,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:03,747 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:03,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:03,830 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:03,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:03,917 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:04,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:04,002 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:04,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:04,088 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:04,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:04,175 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:04,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:04,263 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:04,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:04,352 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:04,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:04,441 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:04,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:04,544 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:04,632 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 [2021-06-01 20:02:04,633 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:04,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:04,726 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:04,816 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 18 treesize of output 17 [2021-06-01 20:02:04,817 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:04,917 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 [2021-06-01 20:02:04,918 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:05,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:05,013 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:05,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:05,108 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:05,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:05,202 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:05,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:05,300 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:05,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:05,395 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:05,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:05,493 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:05,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:05,594 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:05,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:05,691 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:05,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:05,787 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:05,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:05,885 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:05,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:05,983 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:06,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:06,082 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:06,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:06,184 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:06,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:06,289 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:06,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:06,394 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:06,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:06,497 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:06,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-01 20:02:06,599 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:10,229 WARN L205 SmtUtils]: Spent 3.63 s on a formula simplification that was a NOOP. DAG size: 736 [2021-06-01 20:02:10,230 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 20:02:10,343 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 1 dim-1 vars, End of recursive call: 64 dim-0 vars, and 64 xjuncts. [2021-06-01 20:02:10,344 INFO L247 ElimStorePlain]: Needed 65 recursive calls to eliminate 65 variables, input treesize:5793, output treesize:5729 [2021-06-01 20:02:14,904 WARN L205 SmtUtils]: Spent 3.79 s on a formula simplification that was a NOOP. DAG size: 864 [2021-06-01 20:02:16,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:16,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:16,155 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:16,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:16,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:16,263 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:16,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:16,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:16,374 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:16,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:16,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:16,482 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:16,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:16,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:16,591 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:16,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:16,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:16,700 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:16,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:16,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:16,815 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:16,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:16,942 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 36 treesize of output 38 [2021-06-01 20:02:16,943 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:17,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:17,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:17,055 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:17,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:17,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:17,169 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:17,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:17,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:17,284 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:17,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:17,399 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 36 treesize of output 38 [2021-06-01 20:02:17,400 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:17,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:17,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:17,519 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:17,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:17,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:17,638 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:17,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:17,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:17,757 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:17,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:17,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:17,876 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:17,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:17,989 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 36 treesize of output 38 [2021-06-01 20:02:17,990 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:18,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:18,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:18,108 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:18,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:18,280 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 36 treesize of output 38 [2021-06-01 20:02:18,281 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:18,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:18,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:18,404 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:18,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:18,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:18,532 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:18,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:18,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:18,654 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:18,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:18,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:18,778 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:18,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:18,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:18,906 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:19,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:19,034 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 36 treesize of output 38 [2021-06-01 20:02:19,035 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:19,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:19,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:19,170 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:19,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:19,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:19,299 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:19,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:19,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:19,429 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:19,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:19,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:19,560 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:19,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:19,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:19,690 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:19,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:19,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:19,823 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:19,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:19,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:19,953 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:20,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:20,084 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 36 treesize of output 38 [2021-06-01 20:02:20,085 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:20,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:20,263 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 36 treesize of output 38 [2021-06-01 20:02:20,264 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:20,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:20,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:20,403 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:20,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:20,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:20,541 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:20,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:20,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:20,675 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:20,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:20,805 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 36 treesize of output 38 [2021-06-01 20:02:20,806 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:20,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:20,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:20,938 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:21,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:21,074 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 36 treesize of output 38 [2021-06-01 20:02:21,075 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:21,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:21,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:21,213 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:21,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:21,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:21,350 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:21,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:21,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:21,488 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:21,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:21,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:21,624 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:21,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:21,757 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 36 treesize of output 38 [2021-06-01 20:02:21,758 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:21,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:21,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:21,895 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:22,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:22,034 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 36 treesize of output 38 [2021-06-01 20:02:22,035 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:22,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:22,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:22,173 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:22,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:22,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:22,309 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:22,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:22,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:22,450 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:22,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:22,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:22,591 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:22,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:22,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:22,733 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:22,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:22,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:22,877 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:23,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:23,021 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 36 treesize of output 38 [2021-06-01 20:02:23,022 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:23,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:23,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:23,166 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:23,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:23,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:23,313 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:23,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:23,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:23,457 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:23,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:23,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:23,601 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:23,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:23,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:23,748 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:23,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:23,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:23,890 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:24,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:24,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:24,048 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:24,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:24,196 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 36 treesize of output 38 [2021-06-01 20:02:24,197 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:24,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:24,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:24,348 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:24,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-01 20:02:24,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-01 20:02:24,498 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:28,387 WARN L205 SmtUtils]: Spent 3.89 s on a formula simplification that was a NOOP. DAG size: 744 [2021-06-01 20:02:28,388 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 20:02:28,529 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 1 dim-1 vars, End of recursive call: 64 dim-0 vars, and 64 xjuncts. [2021-06-01 20:02:28,529 INFO L247 ElimStorePlain]: Needed 65 recursive calls to eliminate 65 variables, input treesize:6881, output treesize:6817 [2021-06-01 20:02:33,741 WARN L205 SmtUtils]: Spent 4.40 s on a formula simplification that was a NOOP. DAG size: 872 [2021-06-01 20:02:39,709 WARN L205 SmtUtils]: Spent 4.70 s on a formula simplification that was a NOOP. DAG size: 873 [2021-06-01 20:02:41,528 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_880, v_prenex_883, v_prenex_961, v_prenex_841, v_prenex_886, v_prenex_910, v_prenex_877, v_prenex_955, v_prenex_835, v_prenex_913, v_prenex_958, v_prenex_838, v_prenex_916, v_prenex_919, v_prenex_790, v_prenex_793, v_prenex_871, v_prenex_796, v_prenex_874, v_prenex_952, v_prenex_799, v_prenex_832, v_prenex_943, v_prenex_823, v_prenex_868, v_prenex_901, v_prenex_946, v_prenex_826, v_prenex_904, v_prenex_949, v_prenex_829, v_prenex_907, v_prenex_781, v_prenex_784, v_prenex_862, v_prenex_940, v_prenex_820, v_prenex_787, v_prenex_865, v_prenex_811, v_prenex_778, v_prenex_856, v_prenex_934, v_prenex_814, v_prenex_859, v_prenex_937, v_prenex_817, v_C_67, v_prenex_892, v_prenex_850, v_prenex_895, v_prenex_775, v_prenex_853, v_prenex_898, v_prenex_931, v_prenex_844, v_prenex_889, v_prenex_922, v_prenex_802, v_prenex_847, v_prenex_925, v_prenex_805, v_prenex_928, v_prenex_808], 4=[v_prenex_881, v_prenex_882, v_prenex_884, v_prenex_885, v_prenex_920, v_prenex_887, v_prenex_911, v_prenex_878, v_prenex_912, v_prenex_879, v_prenex_914, v_prenex_915, v_prenex_917, v_prenex_918, v_prenex_870, v_prenex_872, v_prenex_873, v_prenex_875, v_prenex_876, v_prenex_866, v_prenex_900, v_prenex_867, v_prenex_869, v_prenex_902, v_prenex_903, v_prenex_905, v_prenex_906, v_prenex_908, v_prenex_909, v_prenex_860, v_prenex_861, v_prenex_863, v_prenex_864, v_prenex_855, v_prenex_857, v_prenex_858, v_prenex_851, v_prenex_852, v_prenex_854, v_prenex_845, v_prenex_846, v_prenex_848, v_prenex_849, v_prenex_960, v_prenex_840, v_prenex_962, v_prenex_963, v_prenex_842, v_prenex_843, v_prenex_954, v_prenex_833, v_prenex_834, v_prenex_956, v_prenex_836, v_prenex_957, v_prenex_837, v_prenex_959, v_prenex_839, v_prenex_791, v_prenex_792, v_prenex_794, v_prenex_795, v_prenex_950, v_prenex_830, v_prenex_951, v_prenex_797, v_prenex_831, v_prenex_798, v_prenex_953, v_prenex_822, v_prenex_789, v_prenex_944, v_prenex_945, v_prenex_824, v_prenex_825, v_prenex_947, v_prenex_827, v_prenex_948, v_prenex_828, v_prenex_780, v_prenex_782, v_prenex_783, v_prenex_785, v_prenex_786, v_prenex_941, v_prenex_942, v_prenex_821, v_prenex_788, v_prenex_899, v_prenex_932, v_prenex_933, v_prenex_812, v_prenex_779, v_prenex_813, v_prenex_935, v_prenex_815, v_prenex_936, v_prenex_816, v_prenex_938, v_prenex_939, v_prenex_818, v_prenex_819, v_prenex_890, v_prenex_891, v_prenex_893, v_prenex_894, v_prenex_896, v_prenex_776, v_prenex_897, v_prenex_930, v_prenex_777, v_prenex_810, v_prenex_921, v_prenex_800, v_prenex_888, v_prenex_801, A, v_prenex_923, B, v_prenex_803, v_prenex_924, v_prenex_804, v_prenex_926, v_prenex_806, v_prenex_927, v_prenex_807, v_prenex_929, v_prenex_809]} [2021-06-01 20:02:41,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-01 20:02:41,688 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:50,736 WARN L205 SmtUtils]: Spent 9.05 s on a formula simplification that was a NOOP. DAG size: 2383 [2021-06-01 20:02:50,737 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 20:02:50,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-01 20:02:50,915 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-01 20:02:59,472 WARN L205 SmtUtils]: Spent 8.56 s on a formula simplification that was a NOOP. DAG size: 2379 [2021-06-01 20:02:59,474 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 20:02:59,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-01 20:02:59,644 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-01 20:03:08,494 WARN L205 SmtUtils]: Spent 8.85 s on a formula simplification that was a NOOP. DAG size: 2375 [2021-06-01 20:03:08,496 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 20:03:08,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-01 20:03:08,664 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-01 20:03:17,522 WARN L205 SmtUtils]: Spent 8.86 s on a formula simplification that was a NOOP. DAG size: 2371 [2021-06-01 20:03:17,523 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 20:03:17,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-01 20:03:17,686 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-01 20:03:26,487 WARN L205 SmtUtils]: Spent 8.80 s on a formula simplification that was a NOOP. DAG size: 2367 [2021-06-01 20:03:26,488 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 20:03:26,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-01 20:03:26,657 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. Received shutdown request... [2021-06-01 20:03:34,119 WARN L222 SmtUtils]: Removed 8 from assertion stack [2021-06-01 20:03:34,320 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10357,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 20:03:34,320 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-01 20:03:34,322 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-01 20:03:34,323 WARN L196 ceAbstractionStarter]: Timeout [2021-06-01 20:03:34,323 INFO L202 PluginConnector]: Adding new model three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.06 08:03:34 BasicIcfg [2021-06-01 20:03:34,323 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-01 20:03:34,324 INFO L168 Benchmark]: Toolchain (without parser) took 775195.54 ms. Allocated memory was 381.7 MB in the beginning and 11.8 GB in the end (delta: 11.4 GB). Free memory was 361.1 MB in the beginning and 5.3 GB in the end (delta: -4.9 GB). Peak memory consumption was 8.9 GB. Max. memory is 16.0 GB. [2021-06-01 20:03:34,324 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 381.7 MB. Free memory was 362.3 MB in the beginning and 362.2 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-01 20:03:34,324 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.23 ms. Allocated memory is still 381.7 MB. Free memory was 361.0 MB in the beginning and 359.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-01 20:03:34,324 INFO L168 Benchmark]: Boogie Preprocessor took 25.54 ms. Allocated memory is still 381.7 MB. Free memory was 359.5 MB in the beginning and 358.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-01 20:03:34,324 INFO L168 Benchmark]: RCFGBuilder took 265.51 ms. Allocated memory is still 381.7 MB. Free memory was 358.4 MB in the beginning and 344.0 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-01 20:03:34,324 INFO L168 Benchmark]: TraceAbstraction took 774874.96 ms. Allocated memory was 381.7 MB in the beginning and 11.8 GB in the end (delta: 11.4 GB). Free memory was 343.5 MB in the beginning and 5.3 GB in the end (delta: -5.0 GB). Peak memory consumption was 8.9 GB. Max. memory is 16.0 GB. [2021-06-01 20:03:34,324 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 381.7 MB. Free memory was 362.3 MB in the beginning and 362.2 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 24.23 ms. Allocated memory is still 381.7 MB. Free memory was 361.0 MB in the beginning and 359.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 25.54 ms. Allocated memory is still 381.7 MB. Free memory was 359.5 MB in the beginning and 358.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 265.51 ms. Allocated memory is still 381.7 MB. Free memory was 358.4 MB in the beginning and 344.0 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 774874.96 ms. Allocated memory was 381.7 MB in the beginning and 11.8 GB in the end (delta: 11.4 GB). Free memory was 343.5 MB in the beginning and 5.3 GB in the end (delta: -5.0 GB). Peak memory consumption was 8.9 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while BasicCegarLoop was analyzing trace of length 41 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while SimplifyDDAWithTimeout was simplifying term of DAG size 2363 for 7457ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 774767.9ms, OverallIterations: 56, TraceHistogramMax: 3, EmptinessCheckTime: 1198.8ms, AutomataDifference: 140758.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 65.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2236 SDtfs, 12165 SDslu, 13860 SDs, 0 SdLazy, 30470 SolverSat, 2361 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23365.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2973 GetRequests, 1332 SyntacticMatches, 25 SemanticMatches, 1616 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22964 ImplicationChecksByTransitivity, 141693.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=59748occurred in iteration=54, InterpolantAutomatonStates: 1320, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 14561.6ms AutomataMinimizationTime, 55 MinimizatonAttempts, 261522 StatesRemovedByMinimization, 55 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 261.2ms SsaConstructionTime, 1324.6ms SatisfiabilityAnalysisTime, 441303.0ms InterpolantComputationTime, 3371 NumberOfCodeBlocks, 3358 NumberOfCodeBlocksAsserted, 173 NumberOfCheckSat, 3267 ConstructedInterpolants, 67 QuantifiedInterpolants, 128132 SizeOfPredicates, 135 NumberOfNonLiveVariables, 4228 ConjunctsInSsa, 895 ConjunctsInUnsatCore, 104 InterpolantComputations, 6 PerfectInterpolantSequences, 484/1370 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown