/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-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-max.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 15:48:54,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 15:48:54,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 15:48:54,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-05 15:48:54,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 15:48:54,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 15:48:54,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 15:48:54,907 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-Separate.epf [2021-06-05 15:48:54,950 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 15:48:54,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 15:48:54,950 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 15:48:54,951 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 15:48:54,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 15:48:54,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 15:48:54,953 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 15:48:54,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 15:48:54,953 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 15:48:54,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 15:48:54,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 15:48:54,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 15:48:54,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 15:48:54,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 15:48:54,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 15:48:54,955 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 15:48:54,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 15:48:54,955 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 15:48:54,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 15:48:54,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 15:48:54,955 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 15:48:54,955 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 15:48:54,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 15:48:54,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 15:48:54,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 15:48:54,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 15:48:54,956 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 15:48:54,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 15:48:54,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 15:48:54,956 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 15:48:54,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 15:48:54,957 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-06-05 15:48:54,957 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 15:48:55,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 15:48:55,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 15:48:55,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 15:48:55,302 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-05 15:48:55,303 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-05 15:48:55,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-max.wvr.bpl [2021-06-05 15:48:55,304 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-max.wvr.bpl' [2021-06-05 15:48:55,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 15:48:55,333 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-05 15:48:55,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 15:48:55,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 15:48:55,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 15:48:55,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 03:48:55" (1/1) ... [2021-06-05 15:48:55,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 03:48:55" (1/1) ... [2021-06-05 15:48:55,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 15:48:55,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 15:48:55,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 15:48:55,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 15:48:55,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 03:48:55" (1/1) ... [2021-06-05 15:48:55,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 03:48:55" (1/1) ... [2021-06-05 15:48:55,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 03:48:55" (1/1) ... [2021-06-05 15:48:55,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 03:48:55" (1/1) ... [2021-06-05 15:48:55,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 03:48:55" (1/1) ... [2021-06-05 15:48:55,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 03:48:55" (1/1) ... [2021-06-05 15:48:55,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 03:48:55" (1/1) ... [2021-06-05 15:48:55,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 15:48:55,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 15:48:55,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 15:48:55,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 15:48:55,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 03:48:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 15:48:55,466 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-05 15:48:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-05 15:48:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-05 15:48:55,467 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-05 15:48:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-05 15:48:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-05 15:48:55,467 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-05 15:48:55,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 15:48:55,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 15:48:55,468 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-05 15:48:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-05 15:48:55,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-05 15:48:55,470 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 15:48:55,668 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 15:48:55,669 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-05 15:48:55,670 INFO L202 PluginConnector]: Adding new model three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 03:48:55 BoogieIcfgContainer [2021-06-05 15:48:55,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 15:48:55,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 15:48:55,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 15:48:55,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 15:48:55,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 03:48:55" (1/2) ... [2021-06-05 15:48:55,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b40e14 and model type three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 03:48:55, skipping insertion in model container [2021-06-05 15:48:55,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 03:48:55" (2/2) ... [2021-06-05 15:48:55,677 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-max.wvr.bpl [2021-06-05 15:48:55,681 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 15:48:55,681 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 15:48:55,682 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 15:48:55,682 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 15:48:55,754 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-05 15:48:55,777 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-05 15:48:55,801 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 15:48:55,802 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 15:48:55,802 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 15:48:55,802 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 15:48:55,802 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 15:48:55,802 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 15:48:55,802 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 15:48:55,802 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 15:48:55,810 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 32 transitions, 88 flow [2021-06-05 15:48:55,828 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 136 states, 134 states have (on average 2.970149253731343) internal successors, (398), 135 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:55,831 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 134 states have (on average 2.970149253731343) internal successors, (398), 135 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:55,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-06-05 15:48:55,839 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:48:55,839 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:48:55,840 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:48:55,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:48:55,845 INFO L82 PathProgramCache]: Analyzing trace with hash 567574338, now seen corresponding path program 1 times [2021-06-05 15:48:55,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:48:55,853 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344777066] [2021-06-05 15:48:55,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:48:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:48:56,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:48:56,037 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:48:56,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344777066] [2021-06-05 15:48:56,038 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344777066] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 15:48:56,038 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 15:48:56,038 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-05 15:48:56,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912531919] [2021-06-05 15:48:56,042 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 15:48:56,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:48:56,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 15:48:56,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-05 15:48:56,062 INFO L87 Difference]: Start difference. First operand has 136 states, 134 states have (on average 2.970149253731343) internal successors, (398), 135 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:56,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:48:56,165 INFO L93 Difference]: Finished difference Result 474 states and 1450 transitions. [2021-06-05 15:48:56,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 15:48:56,167 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-06-05 15:48:56,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:48:56,187 INFO L225 Difference]: With dead ends: 474 [2021-06-05 15:48:56,187 INFO L226 Difference]: Without dead ends: 388 [2021-06-05 15:48:56,190 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 57.5ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-06-05 15:48:56,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2021-06-05 15:48:56,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 176. [2021-06-05 15:48:56,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 175 states have (on average 3.0914285714285716) internal successors, (541), 175 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:56,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 541 transitions. [2021-06-05 15:48:56,267 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 541 transitions. Word has length 19 [2021-06-05 15:48:56,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:48:56,268 INFO L482 AbstractCegarLoop]: Abstraction has 176 states and 541 transitions. [2021-06-05 15:48:56,268 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:56,269 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 541 transitions. [2021-06-05 15:48:56,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-06-05 15:48:56,275 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:48:56,275 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:48:56,276 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 15:48:56,276 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:48:56,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:48:56,280 INFO L82 PathProgramCache]: Analyzing trace with hash -140933138, now seen corresponding path program 1 times [2021-06-05 15:48:56,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:48:56,281 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154464148] [2021-06-05 15:48:56,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:48:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:48:56,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:48:56,339 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:48:56,340 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154464148] [2021-06-05 15:48:56,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154464148] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 15:48:56,340 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 15:48:56,340 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-05 15:48:56,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188462288] [2021-06-05 15:48:56,342 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 15:48:56,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:48:56,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 15:48:56,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 15:48:56,343 INFO L87 Difference]: Start difference. First operand 176 states and 541 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:56,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:48:56,414 INFO L93 Difference]: Finished difference Result 346 states and 1050 transitions. [2021-06-05 15:48:56,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-05 15:48:56,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-06-05 15:48:56,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:48:56,418 INFO L225 Difference]: With dead ends: 346 [2021-06-05 15:48:56,418 INFO L226 Difference]: Without dead ends: 323 [2021-06-05 15:48:56,419 INFO L777 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 [2021-06-05 15:48:56,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2021-06-05 15:48:56,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 253. [2021-06-05 15:48:56,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 252 states have (on average 3.142857142857143) internal successors, (792), 252 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:56,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 792 transitions. [2021-06-05 15:48:56,443 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 792 transitions. Word has length 22 [2021-06-05 15:48:56,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:48:56,444 INFO L482 AbstractCegarLoop]: Abstraction has 253 states and 792 transitions. [2021-06-05 15:48:56,444 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:56,444 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 792 transitions. [2021-06-05 15:48:56,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-06-05 15:48:56,447 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:48:56,448 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:48:56,448 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 15:48:56,449 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:48:56,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:48:56,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1960572944, now seen corresponding path program 2 times [2021-06-05 15:48:56,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:48:56,451 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789060707] [2021-06-05 15:48:56,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:48:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:48:56,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:48:56,538 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:48:56,539 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789060707] [2021-06-05 15:48:56,539 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789060707] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 15:48:56,539 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 15:48:56,539 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-05 15:48:56,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317758765] [2021-06-05 15:48:56,540 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 15:48:56,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:48:56,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 15:48:56,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 15:48:56,541 INFO L87 Difference]: Start difference. First operand 253 states and 792 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:56,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:48:56,606 INFO L93 Difference]: Finished difference Result 495 states and 1542 transitions. [2021-06-05 15:48:56,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-05 15:48:56,608 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-06-05 15:48:56,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:48:56,614 INFO L225 Difference]: With dead ends: 495 [2021-06-05 15:48:56,615 INFO L226 Difference]: Without dead ends: 472 [2021-06-05 15:48:56,615 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-05 15:48:56,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2021-06-05 15:48:56,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 304. [2021-06-05 15:48:56,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 303 states have (on average 3.283828382838284) internal successors, (995), 303 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:56,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 995 transitions. [2021-06-05 15:48:56,636 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 995 transitions. Word has length 22 [2021-06-05 15:48:56,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:48:56,636 INFO L482 AbstractCegarLoop]: Abstraction has 304 states and 995 transitions. [2021-06-05 15:48:56,636 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:56,637 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 995 transitions. [2021-06-05 15:48:56,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-06-05 15:48:56,639 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:48:56,639 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:48:56,639 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 15:48:56,639 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:48:56,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:48:56,640 INFO L82 PathProgramCache]: Analyzing trace with hash -515537296, now seen corresponding path program 3 times [2021-06-05 15:48:56,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:48:56,641 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866698695] [2021-06-05 15:48:56,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:48:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:48:56,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:48:56,686 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:48:56,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866698695] [2021-06-05 15:48:56,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866698695] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 15:48:56,688 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 15:48:56,688 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-05 15:48:56,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490970600] [2021-06-05 15:48:56,689 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 15:48:56,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:48:56,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 15:48:56,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 15:48:56,690 INFO L87 Difference]: Start difference. First operand 304 states and 995 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:56,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:48:56,742 INFO L93 Difference]: Finished difference Result 348 states and 1103 transitions. [2021-06-05 15:48:56,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-05 15:48:56,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-06-05 15:48:56,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:48:56,745 INFO L225 Difference]: With dead ends: 348 [2021-06-05 15:48:56,745 INFO L226 Difference]: Without dead ends: 348 [2021-06-05 15:48:56,745 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-05 15:48:56,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2021-06-05 15:48:56,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 296. [2021-06-05 15:48:56,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 295 states have (on average 3.169491525423729) internal successors, (935), 295 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:56,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 935 transitions. [2021-06-05 15:48:56,754 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 935 transitions. Word has length 22 [2021-06-05 15:48:56,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:48:56,754 INFO L482 AbstractCegarLoop]: Abstraction has 296 states and 935 transitions. [2021-06-05 15:48:56,755 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:56,755 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 935 transitions. [2021-06-05 15:48:56,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 15:48:56,756 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:48:56,756 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:48:56,756 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 15:48:56,756 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:48:56,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:48:56,757 INFO L82 PathProgramCache]: Analyzing trace with hash 988591096, now seen corresponding path program 1 times [2021-06-05 15:48:56,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:48:56,757 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857610293] [2021-06-05 15:48:56,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:48:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:48:56,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:48:56,823 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:48:56,828 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857610293] [2021-06-05 15:48:56,829 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857610293] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 15:48:56,829 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 15:48:56,829 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-05 15:48:56,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599596980] [2021-06-05 15:48:56,829 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 15:48:56,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:48:56,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 15:48:56,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 15:48:56,830 INFO L87 Difference]: Start difference. First operand 296 states and 935 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:56,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:48:56,880 INFO L93 Difference]: Finished difference Result 309 states and 971 transitions. [2021-06-05 15:48:56,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-05 15:48:56,881 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-05 15:48:56,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:48:56,884 INFO L225 Difference]: With dead ends: 309 [2021-06-05 15:48:56,884 INFO L226 Difference]: Without dead ends: 309 [2021-06-05 15:48:56,884 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-05 15:48:56,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-06-05 15:48:56,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 256. [2021-06-05 15:48:56,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 3.1372549019607843) internal successors, (800), 255 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:56,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 800 transitions. [2021-06-05 15:48:56,891 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 800 transitions. Word has length 24 [2021-06-05 15:48:56,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:48:56,891 INFO L482 AbstractCegarLoop]: Abstraction has 256 states and 800 transitions. [2021-06-05 15:48:56,891 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:56,892 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 800 transitions. [2021-06-05 15:48:56,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-05 15:48:56,892 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:48:56,893 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:48:56,893 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 15:48:56,893 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:48:56,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:48:56,893 INFO L82 PathProgramCache]: Analyzing trace with hash -2015295284, now seen corresponding path program 1 times [2021-06-05 15:48:56,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:48:56,894 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404209166] [2021-06-05 15:48:56,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:48:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:48:57,320 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:48:57,320 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:48:57,321 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404209166] [2021-06-05 15:48:57,321 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404209166] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:48:57,321 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814774854] [2021-06-05 15:48:57,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:48:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:48:57,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:48:57,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:48:57,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2021-06-05 15:48:57,777 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:48:57,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2021-06-05 15:48:57,790 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:48:57,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2021-06-05 15:48:57,804 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:48:57,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2021-06-05 15:48:57,820 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:48:57,891 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:48:57,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2021-06-05 15:48:57,909 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:48:57,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2021-06-05 15:48:57,938 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:48:57,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 15:48:57,961 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:48:57,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 15:48:57,976 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:48:58,024 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:48:58,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-06-05 15:48:58,041 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:48:58,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-06-05 15:48:58,052 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:48:58,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-06-05 15:48:58,064 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:48:58,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-06-05 15:48:58,071 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:48:58,119 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:48:58,132 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-05 15:48:58,132 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 3 variables, input treesize:197, output treesize:58 [2021-06-05 15:48:58,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-06-05 15:48:58,255 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:48:58,264 INFO L628 ElimStorePlain]: treesize reduction 27, result has 15.6 percent of original size [2021-06-05 15:48:58,264 INFO L518 ElimStorePlain]: Eliminatee v_prenex_1 vanished before elimination [2021-06-05 15:48:58,265 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:48:58,265 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:40, output treesize:5 [2021-06-05 15:48:58,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:48:58,289 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814774854] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:48:58,289 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:48:58,289 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-06-05 15:48:58,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363828839] [2021-06-05 15:48:58,290 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 15:48:58,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:48:58,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 15:48:58,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2021-06-05 15:48:58,291 INFO L87 Difference]: Start difference. First operand 256 states and 800 transitions. Second operand has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 14 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:58,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:48:58,554 INFO L93 Difference]: Finished difference Result 525 states and 1652 transitions. [2021-06-05 15:48:58,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 15:48:58,555 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 14 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-06-05 15:48:58,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:48:58,558 INFO L225 Difference]: With dead ends: 525 [2021-06-05 15:48:58,558 INFO L226 Difference]: Without dead ends: 482 [2021-06-05 15:48:58,558 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 442.8ms TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2021-06-05 15:48:58,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2021-06-05 15:48:58,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 373. [2021-06-05 15:48:58,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 372 states have (on average 3.161290322580645) internal successors, (1176), 372 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:58,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 1176 transitions. [2021-06-05 15:48:58,569 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 1176 transitions. Word has length 26 [2021-06-05 15:48:58,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:48:58,570 INFO L482 AbstractCegarLoop]: Abstraction has 373 states and 1176 transitions. [2021-06-05 15:48:58,570 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 14 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:58,570 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 1176 transitions. [2021-06-05 15:48:58,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-05 15:48:58,571 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:48:58,571 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:48:58,781 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-05 15:48:58,781 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:48:58,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:48:58,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1060994158, now seen corresponding path program 2 times [2021-06-05 15:48:58,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:48:58,782 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867261890] [2021-06-05 15:48:58,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:48:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:48:58,799 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:48:58,799 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:48:58,799 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867261890] [2021-06-05 15:48:58,799 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867261890] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 15:48:58,800 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 15:48:58,800 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-05 15:48:58,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245135359] [2021-06-05 15:48:58,800 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 15:48:58,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:48:58,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 15:48:58,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 15:48:58,801 INFO L87 Difference]: Start difference. First operand 373 states and 1176 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:58,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:48:58,817 INFO L93 Difference]: Finished difference Result 524 states and 1595 transitions. [2021-06-05 15:48:58,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 15:48:58,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-06-05 15:48:58,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:48:58,823 INFO L225 Difference]: With dead ends: 524 [2021-06-05 15:48:58,823 INFO L226 Difference]: Without dead ends: 476 [2021-06-05 15:48:58,824 INFO L777 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 [2021-06-05 15:48:58,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2021-06-05 15:48:58,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 403. [2021-06-05 15:48:58,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 402 states have (on average 3.0970149253731343) internal successors, (1245), 402 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:58,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 1245 transitions. [2021-06-05 15:48:58,834 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 1245 transitions. Word has length 26 [2021-06-05 15:48:58,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:48:58,835 INFO L482 AbstractCegarLoop]: Abstraction has 403 states and 1245 transitions. [2021-06-05 15:48:58,835 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:58,835 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 1245 transitions. [2021-06-05 15:48:58,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-05 15:48:58,836 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:48:58,836 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:48:58,836 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-05 15:48:58,837 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:48:58,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:48:58,837 INFO L82 PathProgramCache]: Analyzing trace with hash -294633458, now seen corresponding path program 3 times [2021-06-05 15:48:58,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:48:58,837 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108374021] [2021-06-05 15:48:58,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:48:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:48:59,122 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:48:59,123 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:48:59,123 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108374021] [2021-06-05 15:48:59,123 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108374021] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:48:59,123 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042122791] [2021-06-05 15:48:59,123 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:48:59,167 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-05 15:48:59,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:48:59,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:48:59,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:48:59,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:48:59,270 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:48:59,279 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:48:59,280 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:48:59,280 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:37 [2021-06-05 15:48:59,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-06-05 15:48:59,368 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:48:59,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-06-05 15:48:59,374 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:48:59,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-06-05 15:48:59,380 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:48:59,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-06-05 15:48:59,385 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:48:59,425 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:48:59,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2021-06-05 15:48:59,433 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:48:59,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2021-06-05 15:48:59,440 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:48:59,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2021-06-05 15:48:59,448 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:48:59,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2021-06-05 15:48:59,454 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:48:59,477 INFO L628 ElimStorePlain]: treesize reduction 47, result has 25.4 percent of original size [2021-06-05 15:48:59,478 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:48:59,478 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:193, output treesize:16 [2021-06-05 15:48:59,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-06-05 15:48:59,539 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:48:59,540 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 15:48:59,541 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:48:59,542 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:48:59,543 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:48:59,543 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:34, output treesize:5 [2021-06-05 15:48:59,550 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:48:59,550 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042122791] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:48:59,550 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:48:59,550 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 16 [2021-06-05 15:48:59,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527222489] [2021-06-05 15:48:59,551 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-05 15:48:59,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:48:59,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-05 15:48:59,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-06-05 15:48:59,552 INFO L87 Difference]: Start difference. First operand 403 states and 1245 transitions. Second operand has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:59,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:48:59,903 INFO L93 Difference]: Finished difference Result 886 states and 2671 transitions. [2021-06-05 15:48:59,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-05 15:48:59,904 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-06-05 15:48:59,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:48:59,908 INFO L225 Difference]: With dead ends: 886 [2021-06-05 15:48:59,908 INFO L226 Difference]: Without dead ends: 768 [2021-06-05 15:48:59,909 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 379.3ms TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2021-06-05 15:48:59,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2021-06-05 15:48:59,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 427. [2021-06-05 15:48:59,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 426 states have (on average 3.096244131455399) internal successors, (1319), 426 states have internal predecessors, (1319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:59,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 1319 transitions. [2021-06-05 15:48:59,926 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 1319 transitions. Word has length 26 [2021-06-05 15:48:59,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:48:59,926 INFO L482 AbstractCegarLoop]: Abstraction has 427 states and 1319 transitions. [2021-06-05 15:48:59,926 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:48:59,927 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1319 transitions. [2021-06-05 15:48:59,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-05 15:48:59,928 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:48:59,928 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:49:00,140 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:49:00,141 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:49:00,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:49:00,141 INFO L82 PathProgramCache]: Analyzing trace with hash 108055770, now seen corresponding path program 4 times [2021-06-05 15:49:00,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:49:00,142 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594289933] [2021-06-05 15:49:00,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:49:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:49:00,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:49:00,340 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:49:00,340 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594289933] [2021-06-05 15:49:00,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594289933] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:49:00,340 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237484728] [2021-06-05 15:49:00,341 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:49:00,385 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:49:00,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:49:00,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 15:49:00,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:49:00,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:49:00,470 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:00,480 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:00,481 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:49:00,481 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:37 [2021-06-05 15:49:00,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-05 15:49:00,522 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:00,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-06-05 15:49:00,527 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:00,556 INFO L628 ElimStorePlain]: treesize reduction 30, result has 61.0 percent of original size [2021-06-05 15:49:00,557 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-05 15:49:00,557 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:87, output treesize:47 [2021-06-05 15:49:00,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-05 15:49:00,702 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:00,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-05 15:49:00,709 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:00,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-05 15:49:00,718 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:00,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-05 15:49:00,728 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:00,781 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:00,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 15:49:00,798 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:00,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 15:49:00,804 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:00,825 INFO L628 ElimStorePlain]: treesize reduction 137, result has 3.5 percent of original size [2021-06-05 15:49:00,825 INFO L518 ElimStorePlain]: Eliminatee v_prenex_2 vanished before elimination [2021-06-05 15:49:00,825 INFO L518 ElimStorePlain]: Eliminatee v_prenex_3 vanished before elimination [2021-06-05 15:49:00,826 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:49:00,826 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:273, output treesize:5 [2021-06-05 15:49:00,837 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:49:00,838 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237484728] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:49:00,838 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:49:00,838 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-06-05 15:49:00,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295959590] [2021-06-05 15:49:00,838 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 15:49:00,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:49:00,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 15:49:00,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-06-05 15:49:00,839 INFO L87 Difference]: Start difference. First operand 427 states and 1319 transitions. Second operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 14 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:00,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:49:00,936 INFO L93 Difference]: Finished difference Result 693 states and 2174 transitions. [2021-06-05 15:49:00,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 15:49:00,937 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 14 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-06-05 15:49:00,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:49:00,940 INFO L225 Difference]: With dead ends: 693 [2021-06-05 15:49:00,940 INFO L226 Difference]: Without dead ends: 604 [2021-06-05 15:49:00,940 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 191.7ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-06-05 15:49:00,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2021-06-05 15:49:00,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 431. [2021-06-05 15:49:00,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 430 states have (on average 3.109302325581395) internal successors, (1337), 430 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:00,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 1337 transitions. [2021-06-05 15:49:00,952 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 1337 transitions. Word has length 26 [2021-06-05 15:49:00,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:49:00,952 INFO L482 AbstractCegarLoop]: Abstraction has 431 states and 1337 transitions. [2021-06-05 15:49:00,952 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 14 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:00,952 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 1337 transitions. [2021-06-05 15:49:00,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 15:49:00,953 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:49:00,954 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:49:01,177 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:49:01,178 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:49:01,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:49:01,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1752316266, now seen corresponding path program 5 times [2021-06-05 15:49:01,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:49:01,178 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235026839] [2021-06-05 15:49:01,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:49:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:49:01,208 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:49:01,208 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:49:01,208 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235026839] [2021-06-05 15:49:01,208 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235026839] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:49:01,209 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220857634] [2021-06-05 15:49:01,209 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:49:01,260 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-05 15:49:01,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:49:01,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-05 15:49:01,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:49:01,301 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:49:01,301 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220857634] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:49:01,301 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:49:01,301 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-05 15:49:01,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592065275] [2021-06-05 15:49:01,314 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 15:49:01,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:49:01,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 15:49:01,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-05 15:49:01,315 INFO L87 Difference]: Start difference. First operand 431 states and 1337 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:01,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:49:01,394 INFO L93 Difference]: Finished difference Result 1077 states and 3313 transitions. [2021-06-05 15:49:01,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-05 15:49:01,395 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 15:49:01,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:49:01,401 INFO L225 Difference]: With dead ends: 1077 [2021-06-05 15:49:01,401 INFO L226 Difference]: Without dead ends: 1071 [2021-06-05 15:49:01,401 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 27.4ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-06-05 15:49:01,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2021-06-05 15:49:01,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 723. [2021-06-05 15:49:01,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 722 states have (on average 3.3005540166204987) internal successors, (2383), 722 states have internal predecessors, (2383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:01,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 2383 transitions. [2021-06-05 15:49:01,425 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 2383 transitions. Word has length 28 [2021-06-05 15:49:01,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:49:01,425 INFO L482 AbstractCegarLoop]: Abstraction has 723 states and 2383 transitions. [2021-06-05 15:49:01,425 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:01,425 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 2383 transitions. [2021-06-05 15:49:01,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 15:49:01,428 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:49:01,428 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:49:01,636 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:49:01,637 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:49:01,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:49:01,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1505385586, now seen corresponding path program 6 times [2021-06-05 15:49:01,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:49:01,638 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853202522] [2021-06-05 15:49:01,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:49:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:49:01,658 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:49:01,658 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:49:01,658 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853202522] [2021-06-05 15:49:01,658 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853202522] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:49:01,658 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93592608] [2021-06-05 15:49:01,658 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:49:01,690 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-05 15:49:01,690 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:49:01,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-05 15:49:01,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:49:01,752 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:49:01,753 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93592608] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:49:01,753 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:49:01,753 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-06-05 15:49:01,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445693109] [2021-06-05 15:49:01,753 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-05 15:49:01,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:49:01,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-05 15:49:01,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-06-05 15:49:01,754 INFO L87 Difference]: Start difference. First operand 723 states and 2383 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:02,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:49:02,299 INFO L93 Difference]: Finished difference Result 3105 states and 9211 transitions. [2021-06-05 15:49:02,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 15:49:02,301 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 15:49:02,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:49:02,317 INFO L225 Difference]: With dead ends: 3105 [2021-06-05 15:49:02,317 INFO L226 Difference]: Without dead ends: 2785 [2021-06-05 15:49:02,318 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 454 ImplicationChecksByTransitivity, 288.3ms TimeCoverageRelationStatistics Valid=384, Invalid=1098, Unknown=0, NotChecked=0, Total=1482 [2021-06-05 15:49:02,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2785 states. [2021-06-05 15:49:02,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2785 to 704. [2021-06-05 15:49:02,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 703 states have (on average 3.3357041251778092) internal successors, (2345), 703 states have internal predecessors, (2345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:02,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 2345 transitions. [2021-06-05 15:49:02,353 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 2345 transitions. Word has length 28 [2021-06-05 15:49:02,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:49:02,354 INFO L482 AbstractCegarLoop]: Abstraction has 704 states and 2345 transitions. [2021-06-05 15:49:02,354 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:02,354 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 2345 transitions. [2021-06-05 15:49:02,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-06-05 15:49:02,356 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:49:02,356 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:49:02,572 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:49:02,573 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:49:02,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:49:02,573 INFO L82 PathProgramCache]: Analyzing trace with hash -2070734300, now seen corresponding path program 7 times [2021-06-05 15:49:02,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:49:02,573 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346311405] [2021-06-05 15:49:02,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:49:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:49:02,605 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:49:02,606 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:49:02,606 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346311405] [2021-06-05 15:49:02,606 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346311405] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:49:02,606 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795164005] [2021-06-05 15:49:02,606 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:49:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:49:02,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-05 15:49:02,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:49:02,684 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:49:02,684 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795164005] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:49:02,684 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:49:02,684 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-05 15:49:02,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972067179] [2021-06-05 15:49:02,685 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 15:49:02,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:49:02,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 15:49:02,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 15:49:02,689 INFO L87 Difference]: Start difference. First operand 704 states and 2345 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:03,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:49:03,049 INFO L93 Difference]: Finished difference Result 4417 states and 14303 transitions. [2021-06-05 15:49:03,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-05 15:49:03,050 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-06-05 15:49:03,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:49:03,070 INFO L225 Difference]: With dead ends: 4417 [2021-06-05 15:49:03,070 INFO L226 Difference]: Without dead ends: 3838 [2021-06-05 15:49:03,071 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 148.9ms TimeCoverageRelationStatistics Valid=177, Invalid=423, Unknown=0, NotChecked=0, Total=600 [2021-06-05 15:49:03,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3838 states. [2021-06-05 15:49:03,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3838 to 2381. [2021-06-05 15:49:03,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2381 states, 2380 states have (on average 3.5752100840336136) internal successors, (8509), 2380 states have internal predecessors, (8509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:03,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 8509 transitions. [2021-06-05 15:49:03,160 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 8509 transitions. Word has length 29 [2021-06-05 15:49:03,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:49:03,161 INFO L482 AbstractCegarLoop]: Abstraction has 2381 states and 8509 transitions. [2021-06-05 15:49:03,161 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:03,161 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 8509 transitions. [2021-06-05 15:49:03,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-06-05 15:49:03,169 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:49:03,170 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:49:03,384 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:49:03,385 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:49:03,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:49:03,385 INFO L82 PathProgramCache]: Analyzing trace with hash 483537884, now seen corresponding path program 8 times [2021-06-05 15:49:03,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:49:03,385 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768166725] [2021-06-05 15:49:03,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:49:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:49:03,413 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:49:03,413 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:49:03,413 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768166725] [2021-06-05 15:49:03,413 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768166725] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:49:03,413 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49110792] [2021-06-05 15:49:03,414 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:49:03,446 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:49:03,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:49:03,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-05 15:49:03,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:49:03,528 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:49:03,529 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49110792] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:49:03,529 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:49:03,529 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-06-05 15:49:03,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654818371] [2021-06-05 15:49:03,529 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 15:49:03,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:49:03,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 15:49:03,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-05 15:49:03,530 INFO L87 Difference]: Start difference. First operand 2381 states and 8509 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:03,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:49:03,816 INFO L93 Difference]: Finished difference Result 2863 states and 9841 transitions. [2021-06-05 15:49:03,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-05 15:49:03,816 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-06-05 15:49:03,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:49:03,830 INFO L225 Difference]: With dead ends: 2863 [2021-06-05 15:49:03,830 INFO L226 Difference]: Without dead ends: 2835 [2021-06-05 15:49:03,831 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 171.6ms TimeCoverageRelationStatistics Valid=188, Invalid=462, Unknown=0, NotChecked=0, Total=650 [2021-06-05 15:49:03,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2835 states. [2021-06-05 15:49:03,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2835 to 2343. [2021-06-05 15:49:03,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2343 states, 2342 states have (on average 3.568317677198975) internal successors, (8357), 2342 states have internal predecessors, (8357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:03,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2343 states to 2343 states and 8357 transitions. [2021-06-05 15:49:03,892 INFO L78 Accepts]: Start accepts. Automaton has 2343 states and 8357 transitions. Word has length 29 [2021-06-05 15:49:03,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:49:03,892 INFO L482 AbstractCegarLoop]: Abstraction has 2343 states and 8357 transitions. [2021-06-05 15:49:03,892 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:03,892 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 8357 transitions. [2021-06-05 15:49:03,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-06-05 15:49:03,898 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:49:03,898 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:49:04,115 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:49:04,115 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:49:04,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:49:04,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1924163208, now seen corresponding path program 9 times [2021-06-05 15:49:04,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:49:04,116 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005266105] [2021-06-05 15:49:04,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:49:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:49:04,145 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 15:49:04,146 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:49:04,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005266105] [2021-06-05 15:49:04,146 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005266105] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:49:04,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193063378] [2021-06-05 15:49:04,146 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:49:04,191 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-05 15:49:04,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:49:04,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-05 15:49:04,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:49:04,248 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 15:49:04,248 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193063378] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:49:04,249 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:49:04,249 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-06-05 15:49:04,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280435387] [2021-06-05 15:49:04,249 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-05 15:49:04,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:49:04,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-05 15:49:04,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-06-05 15:49:04,251 INFO L87 Difference]: Start difference. First operand 2343 states and 8357 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:04,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:49:04,789 INFO L93 Difference]: Finished difference Result 5750 states and 19687 transitions. [2021-06-05 15:49:04,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 15:49:04,789 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-06-05 15:49:04,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:49:04,809 INFO L225 Difference]: With dead ends: 5750 [2021-06-05 15:49:04,809 INFO L226 Difference]: Without dead ends: 5702 [2021-06-05 15:49:04,809 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 230.5ms TimeCoverageRelationStatistics Valid=281, Invalid=711, Unknown=0, NotChecked=0, Total=992 [2021-06-05 15:49:04,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5702 states. [2021-06-05 15:49:04,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5702 to 4398. [2021-06-05 15:49:04,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4398 states, 4397 states have (on average 3.625881282692745) internal successors, (15943), 4397 states have internal predecessors, (15943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:04,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4398 states to 4398 states and 15943 transitions. [2021-06-05 15:49:04,943 INFO L78 Accepts]: Start accepts. Automaton has 4398 states and 15943 transitions. Word has length 31 [2021-06-05 15:49:04,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:49:04,944 INFO L482 AbstractCegarLoop]: Abstraction has 4398 states and 15943 transitions. [2021-06-05 15:49:04,944 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:04,944 INFO L276 IsEmpty]: Start isEmpty. Operand 4398 states and 15943 transitions. [2021-06-05 15:49:04,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:49:04,954 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:49:04,954 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:49:05,177 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-06-05 15:49:05,178 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:49:05,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:49:05,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1395617240, now seen corresponding path program 10 times [2021-06-05 15:49:05,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:49:05,178 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588400691] [2021-06-05 15:49:05,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:49:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:49:05,746 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 41 [2021-06-05 15:49:05,986 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 44 [2021-06-05 15:49:06,243 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:49:06,243 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:49:06,243 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588400691] [2021-06-05 15:49:06,243 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588400691] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:49:06,243 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294749901] [2021-06-05 15:49:06,243 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:49:06,293 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:49:06,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:49:06,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 15:49:06,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:49:06,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:49:06,653 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:06,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:49:06,660 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:06,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:49:06,667 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:06,673 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 [2021-06-05 15:49:06,674 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:06,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:49:06,682 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:06,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:49:06,689 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:06,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:49:06,696 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:06,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:49:06,705 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:06,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:49:06,713 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:06,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:49:06,721 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:06,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:49:06,727 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:06,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:49:06,735 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:06,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:49:06,744 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:06,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:49:06,752 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:06,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:49:06,760 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:06,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:49:06,768 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:07,066 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-06-05 15:49:07,066 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:07,072 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 16 xjuncts. [2021-06-05 15:49:07,072 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 1 variables, input treesize:1121, output treesize:1105 [2021-06-05 15:49:07,396 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-06-05 15:49:07,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:49:07,666 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:08,057 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-06-05 15:49:08,057 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:08,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 15:49:08,077 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:08,461 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2021-06-05 15:49:08,461 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:08,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-06-05 15:49:08,503 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:08,908 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2021-06-05 15:49:08,909 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:08,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:49:08,930 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:09,306 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2021-06-05 15:49:09,306 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:09,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 15:49:09,327 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:09,709 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2021-06-05 15:49:09,709 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:09,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-06-05 15:49:09,730 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:10,093 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2021-06-05 15:49:10,093 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:10,115 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 50 treesize of output 36 [2021-06-05 15:49:10,118 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:10,487 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2021-06-05 15:49:10,487 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:10,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 15:49:10,515 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:10,875 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 368 [2021-06-05 15:49:10,875 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:10,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 15:49:10,895 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:11,281 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 364 [2021-06-05 15:49:11,282 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:11,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-06-05 15:49:11,315 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:11,722 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2021-06-05 15:49:11,723 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:11,739 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 50 treesize of output 34 [2021-06-05 15:49:11,743 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:12,106 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 354 [2021-06-05 15:49:12,107 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:12,127 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 51 treesize of output 35 [2021-06-05 15:49:12,129 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:12,472 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2021-06-05 15:49:12,472 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:12,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:49:12,491 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:12,827 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2021-06-05 15:49:12,828 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:12,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-05 15:49:12,846 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:13,501 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 335 [2021-06-05 15:49:13,502 INFO L628 ElimStorePlain]: treesize reduction 10, result has 99.0 percent of original size [2021-06-05 15:49:13,523 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 49 treesize of output 33 [2021-06-05 15:49:13,526 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:14,173 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 324 [2021-06-05 15:49:14,177 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.5 percent of original size [2021-06-05 15:49:14,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 15:49:14,200 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:14,531 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2021-06-05 15:49:14,531 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:14,555 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 52 treesize of output 36 [2021-06-05 15:49:14,558 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:14,873 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2021-06-05 15:49:14,873 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:14,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-05 15:49:14,890 INFO L550 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:15,198 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2021-06-05 15:49:15,198 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:15,213 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 50 treesize of output 32 [2021-06-05 15:49:15,217 INFO L550 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:15,514 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2021-06-05 15:49:15,514 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:15,531 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 16 treesize of output 18 [2021-06-05 15:49:15,535 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:15,841 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2021-06-05 15:49:15,842 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:15,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2021-06-05 15:49:15,872 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:16,425 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 288 [2021-06-05 15:49:16,426 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-06-05 15:49:16,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:49:16,444 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:16,710 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2021-06-05 15:49:16,710 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:16,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:49:16,726 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:16,999 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-06-05 15:49:16,999 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:17,011 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 52 treesize of output 36 [2021-06-05 15:49:17,014 INFO L550 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:17,283 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2021-06-05 15:49:17,284 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:17,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-05 15:49:17,299 INFO L550 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:17,561 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2021-06-05 15:49:17,561 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:17,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:49:17,597 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:17,882 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-06-05 15:49:17,883 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:17,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2021-06-05 15:49:17,902 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:18,172 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-06-05 15:49:18,172 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:18,184 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 49 treesize of output 35 [2021-06-05 15:49:18,186 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:18,457 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2021-06-05 15:49:18,458 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:18,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2021-06-05 15:49:18,471 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:18,934 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 241 [2021-06-05 15:49:18,934 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.3 percent of original size [2021-06-05 15:49:18,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 15:49:18,946 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:19,168 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2021-06-05 15:49:19,168 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:19,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:49:19,181 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:19,416 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2021-06-05 15:49:19,416 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:19,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-05 15:49:19,428 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:19,764 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 176 [2021-06-05 15:49:19,765 INFO L628 ElimStorePlain]: treesize reduction 150, result has 78.3 percent of original size [2021-06-05 15:49:19,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 15:49:19,776 INFO L550 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:19,940 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2021-06-05 15:49:19,940 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:19,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-05 15:49:19,951 INFO L550 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:20,137 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-05 15:49:20,138 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:20,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:49:20,149 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:20,305 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-06-05 15:49:20,305 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:20,305 INFO L518 ElimStorePlain]: Eliminatee v_prenex_25 vanished before elimination [2021-06-05 15:49:20,312 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 50 treesize of output 36 [2021-06-05 15:49:20,315 INFO L550 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:20,464 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2021-06-05 15:49:20,465 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:20,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 15:49:20,484 INFO L550 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:20,643 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-06-05 15:49:20,644 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:20,653 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 33 treesize of output 33 [2021-06-05 15:49:20,654 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:20,795 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-06-05 15:49:20,796 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:20,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-05 15:49:20,806 INFO L550 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:21,080 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 141 [2021-06-05 15:49:21,081 INFO L628 ElimStorePlain]: treesize reduction 9, result has 98.0 percent of original size [2021-06-05 15:49:21,081 INFO L518 ElimStorePlain]: Eliminatee v_prenex_45 vanished before elimination [2021-06-05 15:49:21,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:49:21,092 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:21,229 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-06-05 15:49:21,229 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:21,229 INFO L518 ElimStorePlain]: Eliminatee v_prenex_44 vanished before elimination [2021-06-05 15:49:21,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-05 15:49:21,239 INFO L550 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:21,372 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-05 15:49:21,372 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:21,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:49:21,382 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:21,513 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-06-05 15:49:21,513 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:21,513 INFO L518 ElimStorePlain]: Eliminatee v_prenex_27 vanished before elimination [2021-06-05 15:49:21,513 INFO L518 ElimStorePlain]: Eliminatee v_prenex_26 vanished before elimination [2021-06-05 15:49:21,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2021-06-05 15:49:21,522 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:21,647 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-06-05 15:49:21,648 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:21,655 INFO L550 ElimStorePlain]: Start of recursive call 1: 48 dim-1 vars, End of recursive call: and 9 xjuncts. [2021-06-05 15:49:21,655 INFO L247 ElimStorePlain]: Needed 44 recursive calls to eliminate 48 variables, input treesize:1153, output treesize:212 [2021-06-05 15:49:21,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 15:49:21,948 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:21,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-05 15:49:21,953 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:21,964 INFO L628 ElimStorePlain]: treesize reduction 93, result has 5.1 percent of original size [2021-06-05 15:49:21,965 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-06-05 15:49:21,965 INFO L518 ElimStorePlain]: Eliminatee v_prenex_51 vanished before elimination [2021-06-05 15:49:21,965 INFO L518 ElimStorePlain]: Eliminatee v_prenex_49 vanished before elimination [2021-06-05 15:49:21,965 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:49:21,965 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-05 15:49:21,971 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:49:21,971 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294749901] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:49:21,971 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:49:21,971 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-06-05 15:49:21,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65212684] [2021-06-05 15:49:21,971 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 15:49:21,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:49:21,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 15:49:21,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=410, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:49:21,972 INFO L87 Difference]: Start difference. First operand 4398 states and 15943 transitions. Second operand has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 22 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:22,406 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 59 [2021-06-05 15:49:23,105 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-06-05 15:49:23,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:49:23,536 INFO L93 Difference]: Finished difference Result 5785 states and 20387 transitions. [2021-06-05 15:49:23,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-05 15:49:23,537 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 22 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:49:23,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:49:23,555 INFO L225 Difference]: With dead ends: 5785 [2021-06-05 15:49:23,555 INFO L226 Difference]: Without dead ends: 5742 [2021-06-05 15:49:23,556 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 2279.0ms TimeCoverageRelationStatistics Valid=145, Invalid=667, Unknown=0, NotChecked=0, Total=812 [2021-06-05 15:49:23,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5742 states. [2021-06-05 15:49:23,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5742 to 4565. [2021-06-05 15:49:23,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4565 states, 4564 states have (on average 3.612182296231376) internal successors, (16486), 4564 states have internal predecessors, (16486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:23,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4565 states to 4565 states and 16486 transitions. [2021-06-05 15:49:23,711 INFO L78 Accepts]: Start accepts. Automaton has 4565 states and 16486 transitions. Word has length 33 [2021-06-05 15:49:23,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:49:23,711 INFO L482 AbstractCegarLoop]: Abstraction has 4565 states and 16486 transitions. [2021-06-05 15:49:23,711 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 22 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:23,712 INFO L276 IsEmpty]: Start isEmpty. Operand 4565 states and 16486 transitions. [2021-06-05 15:49:23,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:49:23,723 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:49:23,723 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:49:23,944 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:49:23,945 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:49:23,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:49:23,945 INFO L82 PathProgramCache]: Analyzing trace with hash -199304798, now seen corresponding path program 11 times [2021-06-05 15:49:23,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:49:23,945 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594851943] [2021-06-05 15:49:23,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:49:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:49:24,365 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 46 [2021-06-05 15:49:24,536 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 49 [2021-06-05 15:49:24,803 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 36 [2021-06-05 15:49:24,928 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:49:24,929 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:49:24,929 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594851943] [2021-06-05 15:49:24,929 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594851943] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:49:24,929 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324018495] [2021-06-05 15:49:24,929 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:49:24,969 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-05 15:49:24,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:49:24,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-05 15:49:24,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:49:25,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:49:25,270 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:25,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:49:25,278 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:25,290 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 12 treesize of output 11 [2021-06-05 15:49:25,291 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:25,299 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 12 treesize of output 11 [2021-06-05 15:49:25,300 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:25,307 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 12 treesize of output 11 [2021-06-05 15:49:25,308 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:25,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:49:25,316 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:25,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:49:25,324 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:25,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:49:25,332 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:25,339 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 12 treesize of output 11 [2021-06-05 15:49:25,340 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:25,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:49:25,349 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:25,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:49:25,357 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:25,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:49:25,366 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:25,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:49:25,375 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:25,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:49:25,382 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:25,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:49:25,388 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:25,393 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 12 treesize of output 11 [2021-06-05 15:49:25,393 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:25,673 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-06-05 15:49:25,673 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:25,679 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 16 xjuncts. [2021-06-05 15:49:25,679 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 1 variables, input treesize:1057, output treesize:1041 [2021-06-05 15:49:26,004 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-06-05 15:49:26,450 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-06-05 15:49:27,470 WARN L205 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2021-06-05 15:49:27,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:27,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:27,803 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:27,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:27,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 15:49:27,814 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:27,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:27,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:27,823 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:27,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:27,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 15:49:27,830 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:27,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:27,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:27,842 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:27,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:27,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 15:49:27,849 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:27,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:27,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:27,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:27,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:27,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 15:49:27,868 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:27,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:27,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:27,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:27,882 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:27,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 47 [2021-06-05 15:49:27,887 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:27,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:27,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:27,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:27,902 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:27,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 15:49:27,909 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:27,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:27,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:27,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:27,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:27,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 15:49:27,930 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:27,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:27,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:27,946 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:27,951 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:27,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2021-06-05 15:49:27,957 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:27,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:27,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:27,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:27,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:27,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 15:49:27,983 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:27,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:27,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:27,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2021-06-05 15:49:28,008 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:28,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2021-06-05 15:49:28,035 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:28,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,055 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2021-06-05 15:49:28,067 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:28,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 15:49:28,092 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:28,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,119 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 15:49:28,125 INFO L550 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:28,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 15:49:28,162 INFO L550 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:28,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,185 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,189 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 15:49:28,192 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:28,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 15:49:28,226 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:28,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 15:49:28,272 INFO L550 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:28,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 15:49:28,304 INFO L550 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:28,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2021-06-05 15:49:28,340 INFO L550 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:28,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 15:49:28,406 INFO L550 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:28,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,435 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2021-06-05 15:49:28,441 INFO L550 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:28,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 15:49:28,481 INFO L550 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:28,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:28,504 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:28,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 47 [2021-06-05 15:49:28,509 INFO L550 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:29,746 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 220 [2021-06-05 15:49:29,747 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:29,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:29,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:29,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:29,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:29,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2021-06-05 15:49:29,774 INFO L550 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:29,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:29,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:29,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:29,797 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:29,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 15:49:29,803 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:29,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:29,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:29,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:29,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:29,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 34 [2021-06-05 15:49:29,831 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:29,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:29,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:29,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:29,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:29,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 15:49:29,866 INFO L550 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:29,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:29,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:29,882 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:29,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:29,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-06-05 15:49:29,890 INFO L550 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:29,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:29,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:29,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:29,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:29,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 15:49:29,921 INFO L550 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:29,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:29,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:29,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:29,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:29,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 15:49:29,947 INFO L550 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:29,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:29,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:29,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:29,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:29,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 15:49:29,986 INFO L550 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:30,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2021-06-05 15:49:30,016 INFO L550 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:30,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-05 15:49:30,049 INFO L550 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:30,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2021-06-05 15:49:30,079 INFO L550 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:30,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 15:49:30,120 INFO L550 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:30,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 34 [2021-06-05 15:49:30,149 INFO L550 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:30,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-05 15:49:30,179 INFO L550 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:30,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-05 15:49:30,209 INFO L550 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:30,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 44 [2021-06-05 15:49:30,244 INFO L550 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:30,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,273 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-06-05 15:49:30,278 INFO L550 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:30,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-05 15:49:30,313 INFO L550 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:30,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 15:49:30,349 INFO L550 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:30,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,372 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 15:49:30,381 INFO L550 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:30,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 15:49:30,420 INFO L550 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:30,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,448 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,450 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2021-06-05 15:49:30,453 INFO L550 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:30,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 15:49:30,487 INFO L550 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:30,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:30,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:30,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 44 [2021-06-05 15:49:30,514 INFO L550 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:31,501 WARN L205 SmtUtils]: Spent 986.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-06-05 15:49:31,502 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:31,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:31,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:31,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:31,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:49:31,525 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:31,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:31,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:31,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:31,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:49:31,553 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:31,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:31,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:31,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:31,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:49:31,581 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:31,598 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:31,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:31,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:31,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:49:31,608 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:31,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:31,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:49:31,634 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:31,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:31,660 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 16 treesize of output 18 [2021-06-05 15:49:31,661 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:31,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:31,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:31,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:31,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:49:31,698 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:31,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:31,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:31,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:31,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:49:31,730 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:31,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:31,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2021-06-05 15:49:31,759 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:31,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:31,782 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 18 treesize of output 20 [2021-06-05 15:49:31,783 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:31,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:31,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:31,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:31,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:49:31,808 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:31,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:31,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2021-06-05 15:49:31,839 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:31,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:31,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2021-06-05 15:49:31,867 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:31,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:31,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:49:31,896 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:31,918 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:31,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:31,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:31,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:49:31,927 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:31,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:31,952 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 18 treesize of output 20 [2021-06-05 15:49:31,953 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:31,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:31,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:49:31,977 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:31,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:31,998 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 16 treesize of output 18 [2021-06-05 15:49:31,999 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:32,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:32,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:32,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:32,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:49:32,022 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:32,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:32,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:32,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:32,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:49:32,044 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:32,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:32,066 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 16 treesize of output 18 [2021-06-05 15:49:32,067 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:32,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:32,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2021-06-05 15:49:32,101 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:32,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:32,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:32,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:32,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:49:32,128 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:32,151 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:32,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:32,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:49:32,159 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:32,586 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2021-06-05 15:49:32,586 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:32,623 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 14 dim-0 vars, and 14 xjuncts. [2021-06-05 15:49:32,623 INFO L247 ElimStorePlain]: Needed 73 recursive calls to eliminate 4 variables, input treesize:1885, output treesize:477 [2021-06-05 15:49:32,852 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 57 [2021-06-05 15:49:33,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:33,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:33,055 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:33,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 15:49:33,056 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:33,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:33,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:33,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 15:49:33,062 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:33,167 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2021-06-05 15:49:33,167 INFO L628 ElimStorePlain]: treesize reduction 73, result has 61.6 percent of original size [2021-06-05 15:49:33,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:33,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-05 15:49:33,173 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:33,212 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:33,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:33,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:33,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 15:49:33,218 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:33,253 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:33,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:33,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:33,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:49:33,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 15:49:33,260 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:33,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:33,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 15:49:33,265 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:33,307 INFO L628 ElimStorePlain]: treesize reduction 12, result has 80.3 percent of original size [2021-06-05 15:49:33,310 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:49:33,311 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:237, output treesize:5 [2021-06-05 15:49:33,318 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:49:33,319 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324018495] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:49:33,319 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:49:33,319 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2021-06-05 15:49:33,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463460508] [2021-06-05 15:49:33,320 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 15:49:33,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:49:33,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 15:49:33,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2021-06-05 15:49:33,321 INFO L87 Difference]: Start difference. First operand 4565 states and 16486 transitions. Second operand has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:33,886 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 76 [2021-06-05 15:49:34,142 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 74 [2021-06-05 15:49:35,043 WARN L205 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-06-05 15:49:35,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:49:35,497 INFO L93 Difference]: Finished difference Result 6000 states and 21119 transitions. [2021-06-05 15:49:35,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 15:49:35,497 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:49:35,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:49:35,514 INFO L225 Difference]: With dead ends: 6000 [2021-06-05 15:49:35,514 INFO L226 Difference]: Without dead ends: 5891 [2021-06-05 15:49:35,515 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 4077.0ms TimeCoverageRelationStatistics Valid=193, Invalid=929, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 15:49:35,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5891 states. [2021-06-05 15:49:35,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5891 to 4605. [2021-06-05 15:49:35,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4605 states, 4604 states have (on average 3.607949609035621) internal successors, (16611), 4604 states have internal predecessors, (16611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:35,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4605 states to 4605 states and 16611 transitions. [2021-06-05 15:49:35,633 INFO L78 Accepts]: Start accepts. Automaton has 4605 states and 16611 transitions. Word has length 33 [2021-06-05 15:49:35,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:49:35,633 INFO L482 AbstractCegarLoop]: Abstraction has 4605 states and 16611 transitions. [2021-06-05 15:49:35,633 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:35,634 INFO L276 IsEmpty]: Start isEmpty. Operand 4605 states and 16611 transitions. [2021-06-05 15:49:35,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:49:35,649 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:49:35,649 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:49:35,868 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:49:35,869 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:49:35,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:49:35,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1389073446, now seen corresponding path program 12 times [2021-06-05 15:49:35,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:49:35,869 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914065104] [2021-06-05 15:49:35,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:49:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:49:36,358 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 41 [2021-06-05 15:49:36,555 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 44 [2021-06-05 15:49:36,858 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:49:36,858 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:49:36,858 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914065104] [2021-06-05 15:49:36,858 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914065104] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:49:36,858 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97588946] [2021-06-05 15:49:36,858 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:49:36,903 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-05 15:49:36,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:49:36,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-05 15:49:36,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:49:37,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:49:37,079 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:37,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:49:37,087 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:37,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:49:37,093 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:37,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:49:37,099 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:37,173 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:37,189 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 15:49:37,190 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:253, output treesize:249 [2021-06-05 15:49:37,652 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-06-05 15:49:37,940 INFO L446 ElimStorePlain]: Different costs {1=[v_prenex_83, v_prenex_92, v_prenex_70, v_prenex_80, v_prenex_98, v_prenex_86, v_prenex_74, v_prenex_73, v_prenex_95, v_C_18, v_prenex_89, v_prenex_77], 3=[v_prenex_100, v_prenex_90, v_prenex_72, v_prenex_94, v_prenex_71, v_prenex_93, v_prenex_82, A, v_prenex_81, B, v_prenex_91, v_prenex_76, v_prenex_87, v_prenex_75, v_prenex_97, v_prenex_96, v_prenex_85, v_prenex_84, v_prenex_69, v_prenex_79, v_prenex_68, v_prenex_78, v_prenex_99, v_prenex_88]} [2021-06-05 15:49:37,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:37,962 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 [2021-06-05 15:49:37,964 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:38,492 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2021-06-05 15:49:38,492 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:38,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:38,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:49:38,510 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:38,994 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2021-06-05 15:49:38,995 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:39,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:39,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:49:39,029 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:39,542 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2021-06-05 15:49:39,543 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:39,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:39,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:49:39,565 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:39,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:39,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:49:39,589 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:40,095 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2021-06-05 15:49:40,095 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:40,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:40,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:49:40,114 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:40,610 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2021-06-05 15:49:40,610 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:40,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:40,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:49:40,629 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:41,129 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 296 [2021-06-05 15:49:41,129 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:41,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:41,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:49:41,151 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:41,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:41,169 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 30 treesize of output 32 [2021-06-05 15:49:41,170 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:41,655 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2021-06-05 15:49:41,655 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:41,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:41,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:49:41,678 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:41,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:41,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:49:41,699 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:42,199 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 290 [2021-06-05 15:49:42,199 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:42,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:42,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:49:42,222 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:42,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:42,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:49:42,244 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:42,737 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2021-06-05 15:49:42,738 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:42,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:42,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:49:42,759 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:43,237 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 284 [2021-06-05 15:49:43,237 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:43,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:43,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:49:43,254 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:43,714 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2021-06-05 15:49:43,715 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:43,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:43,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:49:43,732 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:44,206 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2021-06-05 15:49:44,207 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:44,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:44,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:44,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-06-05 15:49:44,222 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:44,670 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2021-06-05 15:49:44,671 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:44,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:44,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:44,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-06-05 15:49:44,686 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:45,114 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-06-05 15:49:45,115 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:45,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:45,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:45,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-06-05 15:49:45,135 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:45,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:45,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:45,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-06-05 15:49:45,151 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:45,573 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-06-05 15:49:45,573 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:45,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:45,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:45,602 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 55 treesize of output 39 [2021-06-05 15:49:45,604 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:46,001 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-06-05 15:49:46,002 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:46,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:46,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:46,018 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 69 treesize of output 43 [2021-06-05 15:49:46,020 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:46,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:46,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:46,032 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 49 treesize of output 31 [2021-06-05 15:49:46,039 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:46,451 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 136 [2021-06-05 15:49:46,452 INFO L628 ElimStorePlain]: treesize reduction 567, result has 51.5 percent of original size [2021-06-05 15:49:46,452 INFO L518 ElimStorePlain]: Eliminatee v_prenex_93 vanished before elimination [2021-06-05 15:49:46,452 INFO L518 ElimStorePlain]: Eliminatee v_prenex_82 vanished before elimination [2021-06-05 15:49:46,452 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 15:49:46,452 INFO L518 ElimStorePlain]: Eliminatee v_prenex_81 vanished before elimination [2021-06-05 15:49:46,452 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 15:49:46,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:46,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:46,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 43 [2021-06-05 15:49:46,461 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:46,724 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 87 [2021-06-05 15:49:46,724 INFO L628 ElimStorePlain]: treesize reduction 167, result has 69.9 percent of original size [2021-06-05 15:49:46,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:46,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:46,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 15:49:46,734 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:46,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:46,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:46,740 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 57 treesize of output 39 [2021-06-05 15:49:46,744 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:46,826 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:46,826 INFO L518 ElimStorePlain]: Eliminatee v_prenex_87 vanished before elimination [2021-06-05 15:49:46,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:46,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:46,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 35 [2021-06-05 15:49:46,836 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:46,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:46,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:46,857 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 65 treesize of output 41 [2021-06-05 15:49:46,859 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:46,967 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 45 [2021-06-05 15:49:46,967 INFO L628 ElimStorePlain]: treesize reduction 110, result has 60.3 percent of original size [2021-06-05 15:49:46,967 INFO L518 ElimStorePlain]: Eliminatee v_prenex_97 vanished before elimination [2021-06-05 15:49:46,967 INFO L518 ElimStorePlain]: Eliminatee v_prenex_96 vanished before elimination [2021-06-05 15:49:46,967 INFO L518 ElimStorePlain]: Eliminatee v_prenex_85 vanished before elimination [2021-06-05 15:49:46,968 INFO L518 ElimStorePlain]: Eliminatee v_prenex_84 vanished before elimination [2021-06-05 15:49:46,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:46,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:46,973 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 61 treesize of output 39 [2021-06-05 15:49:46,975 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:47,016 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:47,016 INFO L518 ElimStorePlain]: Eliminatee v_prenex_79 vanished before elimination [2021-06-05 15:49:47,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:47,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:49:47,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2021-06-05 15:49:47,024 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:47,066 INFO L628 ElimStorePlain]: treesize reduction 34, result has 70.2 percent of original size [2021-06-05 15:49:47,066 INFO L518 ElimStorePlain]: Eliminatee v_prenex_78 vanished before elimination [2021-06-05 15:49:47,066 INFO L518 ElimStorePlain]: Eliminatee v_prenex_99 vanished before elimination [2021-06-05 15:49:47,066 INFO L518 ElimStorePlain]: Eliminatee v_prenex_88 vanished before elimination [2021-06-05 15:49:47,067 INFO L550 ElimStorePlain]: Start of recursive call 1: 36 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-05 15:49:47,067 INFO L247 ElimStorePlain]: Needed 31 recursive calls to eliminate 36 variables, input treesize:1345, output treesize:80 [2021-06-05 15:49:47,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 15:49:47,225 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:47,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 15:49:47,232 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:47,242 INFO L628 ElimStorePlain]: treesize reduction 61, result has 7.6 percent of original size [2021-06-05 15:49:47,243 INFO L518 ElimStorePlain]: Eliminatee v_prenex_101 vanished before elimination [2021-06-05 15:49:47,243 INFO L518 ElimStorePlain]: Eliminatee v_prenex_102 vanished before elimination [2021-06-05 15:49:47,243 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:49:47,243 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-06-05 15:49:47,248 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:49:47,248 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97588946] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:49:47,248 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:49:47,248 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-06-05 15:49:47,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277323364] [2021-06-05 15:49:47,249 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 15:49:47,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:49:47,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 15:49:47,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:49:47,249 INFO L87 Difference]: Start difference. First operand 4605 states and 16611 transitions. Second operand has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 22 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:47,754 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2021-06-05 15:49:48,545 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2021-06-05 15:49:49,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:49:49,437 INFO L93 Difference]: Finished difference Result 7475 states and 26041 transitions. [2021-06-05 15:49:49,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-05 15:49:49,437 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 22 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:49:49,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:49:49,461 INFO L225 Difference]: With dead ends: 7475 [2021-06-05 15:49:49,461 INFO L226 Difference]: Without dead ends: 7355 [2021-06-05 15:49:49,461 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 2674.5ms TimeCoverageRelationStatistics Valid=241, Invalid=1241, Unknown=0, NotChecked=0, Total=1482 [2021-06-05 15:49:49,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7355 states. [2021-06-05 15:49:49,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7355 to 5024. [2021-06-05 15:49:49,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5024 states, 5023 states have (on average 3.5988453115667927) internal successors, (18077), 5023 states have internal predecessors, (18077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:49,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5024 states to 5024 states and 18077 transitions. [2021-06-05 15:49:49,590 INFO L78 Accepts]: Start accepts. Automaton has 5024 states and 18077 transitions. Word has length 33 [2021-06-05 15:49:49,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:49:49,590 INFO L482 AbstractCegarLoop]: Abstraction has 5024 states and 18077 transitions. [2021-06-05 15:49:49,590 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 22 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:49:49,590 INFO L276 IsEmpty]: Start isEmpty. Operand 5024 states and 18077 transitions. [2021-06-05 15:49:49,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:49:49,601 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:49:49,601 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:49:49,824 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable106 [2021-06-05 15:49:49,824 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:49:49,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:49:49,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1709581408, now seen corresponding path program 13 times [2021-06-05 15:49:49,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:49:49,824 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915265982] [2021-06-05 15:49:49,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:49:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:49:50,145 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 119 [2021-06-05 15:49:50,402 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 45 [2021-06-05 15:49:50,709 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 45 [2021-06-05 15:49:50,973 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 23 [2021-06-05 15:49:51,220 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 30 [2021-06-05 15:49:51,488 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 27 [2021-06-05 15:49:51,580 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:49:51,580 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:49:51,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915265982] [2021-06-05 15:49:51,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915265982] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:49:51,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661480186] [2021-06-05 15:49:51,580 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:49:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:49:51,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 15:49:51,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:49:51,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:49:51,781 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:51,786 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 12 treesize of output 11 [2021-06-05 15:49:51,787 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:51,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:49:51,794 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:51,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:49:51,800 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:49:51,865 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:51,866 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 15:49:51,867 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:221, output treesize:217 [2021-06-05 15:49:52,345 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-05 15:49:53,013 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2021-06-05 15:49:53,767 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_120, v_prenex_131, v_prenex_132, v_prenex_110, v_prenex_122, v_prenex_111, v_prenex_123, v_prenex_134, v_prenex_113, v_prenex_135, v_prenex_125, v_prenex_103, v_prenex_114, v_prenex_126, v_prenex_104, v_prenex_116, v_prenex_106, v_prenex_128, v_prenex_117, v_prenex_107, v_prenex_129, v_prenex_119, A, B], 2=[v_prenex_118, v_prenex_108, v_prenex_109, v_C_20, v_prenex_130, v_prenex_121, v_prenex_133, v_prenex_112, v_prenex_124, v_prenex_115, v_prenex_105, v_prenex_127]} [2021-06-05 15:49:53,799 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 43 treesize of output 29 [2021-06-05 15:49:53,804 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:53,825 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 52 treesize of output 36 [2021-06-05 15:49:53,827 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:55,623 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 355 DAG size of output: 335 [2021-06-05 15:49:55,624 INFO L628 ElimStorePlain]: treesize reduction 568, result has 74.6 percent of original size [2021-06-05 15:49:55,644 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 41 treesize of output 29 [2021-06-05 15:49:55,646 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:55,661 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 43 treesize of output 29 [2021-06-05 15:49:55,663 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:56,520 WARN L205 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2021-06-05 15:49:56,521 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:56,545 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 37 treesize of output 25 [2021-06-05 15:49:56,547 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:56,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 15:49:56,566 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:57,364 WARN L205 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2021-06-05 15:49:57,365 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:57,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 15:49:57,384 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:58,159 WARN L205 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2021-06-05 15:49:58,160 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:58,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 15:49:58,178 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:58,983 WARN L205 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2021-06-05 15:49:58,984 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:59,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-05 15:49:59,004 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:49:59,797 WARN L205 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2021-06-05 15:49:59,797 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:49:59,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 15:49:59,813 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:00,562 WARN L205 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2021-06-05 15:50:00,562 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:00,584 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 50 treesize of output 36 [2021-06-05 15:50:00,587 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:00,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 15:50:00,610 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:01,347 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2021-06-05 15:50:01,347 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:01,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 15:50:01,386 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:01,417 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 50 treesize of output 36 [2021-06-05 15:50:01,419 INFO L550 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:01,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 15:50:01,448 INFO L550 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:01,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 15:50:01,471 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:02,457 WARN L205 SmtUtils]: Spent 985.00 ms on a formula simplification that was a NOOP. DAG size: 324 [2021-06-05 15:50:02,458 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:02,494 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 52 treesize of output 34 [2021-06-05 15:50:02,511 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:02,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 15:50:02,551 INFO L550 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:03,603 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 321 [2021-06-05 15:50:03,603 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:03,628 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 41 treesize of output 29 [2021-06-05 15:50:03,635 INFO L550 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:04,635 WARN L205 SmtUtils]: Spent 999.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2021-06-05 15:50:04,636 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:04,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 15:50:04,660 INFO L550 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:05,542 WARN L205 SmtUtils]: Spent 881.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2021-06-05 15:50:05,542 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:05,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 15:50:05,569 INFO L550 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:05,595 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 50 treesize of output 34 [2021-06-05 15:50:05,597 INFO L550 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:05,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 15:50:05,622 INFO L550 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:05,639 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 50 treesize of output 34 [2021-06-05 15:50:05,642 INFO L550 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:06,322 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2021-06-05 15:50:06,323 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:06,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 15:50:06,342 INFO L550 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:07,049 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2021-06-05 15:50:07,049 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:07,064 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 46 treesize of output 30 [2021-06-05 15:50:07,067 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:07,726 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2021-06-05 15:50:07,726 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:07,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 15:50:07,748 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:07,769 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 52 treesize of output 36 [2021-06-05 15:50:07,772 INFO L550 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:08,466 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2021-06-05 15:50:08,466 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:08,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 15:50:08,491 INFO L550 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:08,508 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 52 treesize of output 36 [2021-06-05 15:50:08,510 INFO L550 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:09,178 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2021-06-05 15:50:09,178 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:09,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 15:50:09,204 INFO L550 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:09,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 15:50:09,224 INFO L550 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:09,873 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2021-06-05 15:50:09,874 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:09,896 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 44 treesize of output 30 [2021-06-05 15:50:09,898 INFO L550 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:09,916 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 44 treesize of output 30 [2021-06-05 15:50:09,918 INFO L550 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:10,543 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2021-06-05 15:50:10,543 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:10,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-06-05 15:50:10,567 INFO L550 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:10,587 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 39 treesize of output 25 [2021-06-05 15:50:10,590 INFO L550 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:11,202 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2021-06-05 15:50:11,203 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:11,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-05 15:50:11,225 INFO L550 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:11,240 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 [2021-06-05 15:50:11,242 INFO L550 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:11,800 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 290 [2021-06-05 15:50:11,801 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:11,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-06-05 15:50:11,826 INFO L550 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:11,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 15:50:11,851 INFO L550 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:12,384 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2021-06-05 15:50:12,384 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:12,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 15:50:12,408 INFO L550 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:12,429 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 50 treesize of output 36 [2021-06-05 15:50:12,431 INFO L550 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:12,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 15:50:12,456 INFO L550 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:12,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 15:50:12,476 INFO L550 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:13,001 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2021-06-05 15:50:13,002 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:13,028 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 44 treesize of output 30 [2021-06-05 15:50:13,030 INFO L550 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:13,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 15:50:13,055 INFO L550 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:13,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 15:50:13,080 INFO L550 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:13,098 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 44 treesize of output 30 [2021-06-05 15:50:13,100 INFO L550 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:50:13,560 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2021-06-05 15:50:13,560 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:13,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:13,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:13,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:50:13,586 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:13,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:50:13,611 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:14,072 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2021-06-05 15:50:14,073 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:14,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:14,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:14,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:50:14,100 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:14,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:50:14,126 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:14,601 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2021-06-05 15:50:14,602 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:14,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2021-06-05 15:50:14,621 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:15,055 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-06-05 15:50:15,056 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:15,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:15,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:15,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:50:15,078 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:15,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:50:15,099 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:15,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:15,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:15,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:50:15,120 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:15,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:50:15,140 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:15,535 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2021-06-05 15:50:15,535 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:15,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:15,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:15,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:50:15,557 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:15,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:15,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:50:15,577 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:15,974 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-06-05 15:50:15,975 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:15,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:15,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:50:15,995 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:16,375 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2021-06-05 15:50:16,375 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:16,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:50:16,397 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:16,413 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:16,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:50:16,418 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:16,790 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-06-05 15:50:16,791 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:16,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:16,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:16,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:50:16,812 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:16,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:50:16,833 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:16,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:16,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:16,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:50:16,855 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:16,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:50:16,875 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:17,223 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2021-06-05 15:50:17,223 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:17,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:17,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:50:17,244 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:17,583 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-06-05 15:50:17,583 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:17,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2021-06-05 15:50:17,605 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:17,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2021-06-05 15:50:17,625 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:17,968 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2021-06-05 15:50:17,968 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:17,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2021-06-05 15:50:17,984 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:18,304 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2021-06-05 15:50:18,305 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:18,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:50:18,322 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:18,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:18,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:50:18,339 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:18,650 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2021-06-05 15:50:18,651 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:18,660 INFO L550 ElimStorePlain]: Start of recursive call 1: 36 dim-1 vars, End of recursive call: and 12 xjuncts. [2021-06-05 15:50:18,661 INFO L247 ElimStorePlain]: Needed 73 recursive calls to eliminate 36 variables, input treesize:2273, output treesize:315 [2021-06-05 15:50:18,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 15:50:18,795 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:18,809 INFO L628 ElimStorePlain]: treesize reduction 108, result has 4.4 percent of original size [2021-06-05 15:50:18,809 INFO L518 ElimStorePlain]: Eliminatee v_prenex_136 vanished before elimination [2021-06-05 15:50:18,809 INFO L518 ElimStorePlain]: Eliminatee v_prenex_137 vanished before elimination [2021-06-05 15:50:18,809 INFO L518 ElimStorePlain]: Eliminatee v_prenex_138 vanished before elimination [2021-06-05 15:50:18,810 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:50:18,810 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-05 15:50:18,815 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:50:18,815 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661480186] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:50:18,815 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:50:18,815 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-06-05 15:50:18,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935206224] [2021-06-05 15:50:18,815 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 15:50:18,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:50:18,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 15:50:18,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2021-06-05 15:50:18,816 INFO L87 Difference]: Start difference. First operand 5024 states and 18077 transitions. Second operand has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:50:19,248 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 45 [2021-06-05 15:50:19,816 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2021-06-05 15:50:20,322 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-06-05 15:50:20,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:50:20,727 INFO L93 Difference]: Finished difference Result 7030 states and 24590 transitions. [2021-06-05 15:50:20,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-05 15:50:20,727 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:50:20,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:50:20,746 INFO L225 Difference]: With dead ends: 7030 [2021-06-05 15:50:20,746 INFO L226 Difference]: Without dead ends: 6813 [2021-06-05 15:50:20,746 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 3540.7ms TimeCoverageRelationStatistics Valid=180, Invalid=812, Unknown=0, NotChecked=0, Total=992 [2021-06-05 15:50:20,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6813 states. [2021-06-05 15:50:20,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6813 to 5105. [2021-06-05 15:50:20,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5105 states, 5104 states have (on average 3.584051724137931) internal successors, (18293), 5104 states have internal predecessors, (18293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:50:20,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5105 states to 5105 states and 18293 transitions. [2021-06-05 15:50:20,869 INFO L78 Accepts]: Start accepts. Automaton has 5105 states and 18293 transitions. Word has length 33 [2021-06-05 15:50:20,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:50:20,869 INFO L482 AbstractCegarLoop]: Abstraction has 5105 states and 18293 transitions. [2021-06-05 15:50:20,869 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:50:20,869 INFO L276 IsEmpty]: Start isEmpty. Operand 5105 states and 18293 transitions. [2021-06-05 15:50:20,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:50:20,880 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:50:20,880 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:50:21,105 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:50:21,105 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:50:21,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:50:21,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1839447846, now seen corresponding path program 14 times [2021-06-05 15:50:21,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:50:21,106 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069145551] [2021-06-05 15:50:21,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:50:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:50:21,805 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:50:21,805 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:50:21,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069145551] [2021-06-05 15:50:21,805 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069145551] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:50:21,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877643565] [2021-06-05 15:50:21,805 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:50:21,833 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:50:21,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:50:21,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 15:50:21,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:50:21,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:50:21,973 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:21,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:50:21,977 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:21,982 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 [2021-06-05 15:50:21,982 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:21,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:50:21,987 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:22,055 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:22,056 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 15:50:22,056 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:277, output treesize:273 [2021-06-05 15:50:22,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:22,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:50:22,164 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:22,236 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:22,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:22,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:50:22,243 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:22,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:22,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:22,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:50:22,325 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:22,398 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:22,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:22,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:50:22,404 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:22,520 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-06-05 15:50:22,521 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:22,522 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 15:50:22,522 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:309, output treesize:305 [2021-06-05 15:50:22,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:22,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:22,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 15:50:22,844 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:22,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:22,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:22,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 15:50:22,860 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:22,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:22,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:22,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 15:50:22,875 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:22,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:22,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:22,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 15:50:22,886 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:23,303 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-06-05 15:50:23,304 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:23,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:23,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:23,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2021-06-05 15:50:23,315 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:23,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:23,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:23,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 35 [2021-06-05 15:50:23,339 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:23,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:23,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:23,350 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 69 treesize of output 41 [2021-06-05 15:50:23,351 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:23,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:23,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:23,358 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 65 treesize of output 41 [2021-06-05 15:50:23,360 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:23,655 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 49 [2021-06-05 15:50:23,656 INFO L628 ElimStorePlain]: treesize reduction 723, result has 35.4 percent of original size [2021-06-05 15:50:23,656 INFO L518 ElimStorePlain]: Eliminatee v_prenex_142 vanished before elimination [2021-06-05 15:50:23,656 INFO L518 ElimStorePlain]: Eliminatee v_prenex_143 vanished before elimination [2021-06-05 15:50:23,656 INFO L518 ElimStorePlain]: Eliminatee v_prenex_144 vanished before elimination [2021-06-05 15:50:23,656 INFO L518 ElimStorePlain]: Eliminatee v_prenex_145 vanished before elimination [2021-06-05 15:50:23,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:23,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:23,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 15:50:23,664 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:23,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:23,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:23,670 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 39 [2021-06-05 15:50:23,671 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:23,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:23,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:23,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 15:50:23,679 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:23,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:23,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:23,688 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 57 treesize of output 39 [2021-06-05 15:50:23,689 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:23,757 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:23,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:23,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:23,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2021-06-05 15:50:23,766 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:23,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:23,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:23,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 35 [2021-06-05 15:50:23,782 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:23,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:23,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:23,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2021-06-05 15:50:23,790 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:23,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:23,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:23,794 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 65 treesize of output 41 [2021-06-05 15:50:23,795 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:23,840 INFO L628 ElimStorePlain]: treesize reduction 65, result has 56.4 percent of original size [2021-06-05 15:50:23,841 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-05 15:50:23,841 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 8 variables, input treesize:1361, output treesize:78 [2021-06-05 15:50:24,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 15:50:24,015 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:24,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 15:50:24,019 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:24,034 INFO L628 ElimStorePlain]: treesize reduction 88, result has 5.4 percent of original size [2021-06-05 15:50:24,034 INFO L518 ElimStorePlain]: Eliminatee v_prenex_148 vanished before elimination [2021-06-05 15:50:24,034 INFO L518 ElimStorePlain]: Eliminatee v_prenex_149 vanished before elimination [2021-06-05 15:50:24,035 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:50:24,035 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:135, output treesize:5 [2021-06-05 15:50:24,040 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:50:24,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877643565] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:50:24,041 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:50:24,041 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-05 15:50:24,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675120093] [2021-06-05 15:50:24,041 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 15:50:24,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:50:24,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 15:50:24,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2021-06-05 15:50:24,042 INFO L87 Difference]: Start difference. First operand 5105 states and 18293 transitions. Second operand has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:50:24,335 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 47 [2021-06-05 15:50:24,623 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2021-06-05 15:50:24,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:50:24,970 INFO L93 Difference]: Finished difference Result 6625 states and 23291 transitions. [2021-06-05 15:50:24,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-05 15:50:24,971 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:50:24,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:50:24,982 INFO L225 Difference]: With dead ends: 6625 [2021-06-05 15:50:24,982 INFO L226 Difference]: Without dead ends: 6542 [2021-06-05 15:50:24,982 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1294.7ms TimeCoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2021-06-05 15:50:24,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6542 states. [2021-06-05 15:50:25,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6542 to 5045. [2021-06-05 15:50:25,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5045 states, 5044 states have (on average 3.5779143536875497) internal successors, (18047), 5044 states have internal predecessors, (18047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:50:25,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5045 states to 5045 states and 18047 transitions. [2021-06-05 15:50:25,095 INFO L78 Accepts]: Start accepts. Automaton has 5045 states and 18047 transitions. Word has length 33 [2021-06-05 15:50:25,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:50:25,096 INFO L482 AbstractCegarLoop]: Abstraction has 5045 states and 18047 transitions. [2021-06-05 15:50:25,096 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:50:25,096 INFO L276 IsEmpty]: Start isEmpty. Operand 5045 states and 18047 transitions. [2021-06-05 15:50:25,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:50:25,106 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:50:25,106 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:50:25,328 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable294,14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:50:25,328 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:50:25,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:50:25,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1784385830, now seen corresponding path program 15 times [2021-06-05 15:50:25,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:50:25,329 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648298371] [2021-06-05 15:50:25,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:50:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:50:25,692 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 42 [2021-06-05 15:50:25,914 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 44 [2021-06-05 15:50:26,060 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 40 [2021-06-05 15:50:26,209 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:50:26,210 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:50:26,210 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648298371] [2021-06-05 15:50:26,210 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648298371] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:50:26,210 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130509590] [2021-06-05 15:50:26,210 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:50:26,248 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-05 15:50:26,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:50:26,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-05 15:50:26,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:50:26,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:50:26,387 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:26,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:50:26,392 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:26,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:50:26,396 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:26,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:50:26,401 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:26,469 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:26,470 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 15:50:26,470 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:261, output treesize:257 [2021-06-05 15:50:26,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:26,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:50:26,629 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:26,711 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:26,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:26,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:50:26,718 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:26,807 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:26,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:26,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:50:26,814 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:26,903 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:26,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:26,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:50:26,910 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:26,993 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:26,994 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 15:50:26,995 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:305, output treesize:301 [2021-06-05 15:50:27,419 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-05 15:50:29,500 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:29,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 52 [2021-06-05 15:50:29,516 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:29,576 INFO L354 Elim1Store]: treesize reduction 4, result has 84.0 percent of original size [2021-06-05 15:50:29,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 55 [2021-06-05 15:50:29,592 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:29,658 INFO L354 Elim1Store]: treesize reduction 4, result has 84.0 percent of original size [2021-06-05 15:50:29,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 48 [2021-06-05 15:50:29,665 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:29,691 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-06-05 15:50:29,691 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 49 treesize of output 1 [2021-06-05 15:50:29,692 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:31,454 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 247 DAG size of output: 212 [2021-06-05 15:50:31,455 INFO L628 ElimStorePlain]: treesize reduction 682, result has 73.7 percent of original size [2021-06-05 15:50:31,491 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:31,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 45 [2021-06-05 15:50:31,497 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:31,546 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-06-05 15:50:31,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 63 [2021-06-05 15:50:31,572 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-06-05 15:50:32,765 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 206 DAG size of output: 192 [2021-06-05 15:50:32,766 INFO L628 ElimStorePlain]: treesize reduction 566, result has 69.9 percent of original size [2021-06-05 15:50:32,819 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-06-05 15:50:32,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 31 [2021-06-05 15:50:32,828 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:32,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:32,866 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:32,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 51 [2021-06-05 15:50:32,876 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-06-05 15:50:32,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:32,915 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:32,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 51 [2021-06-05 15:50:32,926 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2021-06-05 15:50:32,981 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-06-05 15:50:32,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 51 [2021-06-05 15:50:32,987 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:33,050 INFO L354 Elim1Store]: treesize reduction 4, result has 84.0 percent of original size [2021-06-05 15:50:33,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 55 [2021-06-05 15:50:33,059 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:33,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:33,095 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-06-05 15:50:33,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 1 [2021-06-05 15:50:33,096 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:33,138 INFO L354 Elim1Store]: treesize reduction 17, result has 32.0 percent of original size [2021-06-05 15:50:33,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-06-05 15:50:33,142 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2021-06-05 15:50:33,219 INFO L354 Elim1Store]: treesize reduction 4, result has 84.0 percent of original size [2021-06-05 15:50:33,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 55 [2021-06-05 15:50:33,231 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:33,282 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-06-05 15:50:33,282 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 51 treesize of output 47 [2021-06-05 15:50:33,287 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:34,315 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 238 DAG size of output: 219 [2021-06-05 15:50:34,316 INFO L628 ElimStorePlain]: treesize reduction 196, result has 86.8 percent of original size [2021-06-05 15:50:34,347 INFO L354 Elim1Store]: treesize reduction 17, result has 32.0 percent of original size [2021-06-05 15:50:34,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 50 [2021-06-05 15:50:34,352 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2021-06-05 15:50:35,140 WARN L205 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 196 [2021-06-05 15:50:35,141 INFO L628 ElimStorePlain]: treesize reduction 116, result has 90.7 percent of original size [2021-06-05 15:50:35,186 INFO L354 Elim1Store]: treesize reduction 4, result has 84.0 percent of original size [2021-06-05 15:50:35,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 80 [2021-06-05 15:50:35,205 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:35,240 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-06-05 15:50:35,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 67 [2021-06-05 15:50:35,269 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 3 xjuncts. [2021-06-05 15:50:35,555 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 41 [2021-06-05 15:50:35,555 INFO L628 ElimStorePlain]: treesize reduction 960, result has 15.0 percent of original size [2021-06-05 15:50:35,555 INFO L518 ElimStorePlain]: Eliminatee v_prenex_154 vanished before elimination [2021-06-05 15:50:35,555 INFO L518 ElimStorePlain]: Eliminatee v_prenex_155 vanished before elimination [2021-06-05 15:50:35,555 INFO L518 ElimStorePlain]: Eliminatee v_prenex_156 vanished before elimination [2021-06-05 15:50:35,555 INFO L518 ElimStorePlain]: Eliminatee v_prenex_157 vanished before elimination [2021-06-05 15:50:35,555 INFO L518 ElimStorePlain]: Eliminatee v_prenex_158 vanished before elimination [2021-06-05 15:50:35,556 INFO L518 ElimStorePlain]: Eliminatee v_prenex_159 vanished before elimination [2021-06-05 15:50:35,556 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 15:50:35,556 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 15:50:35,569 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 13 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 15:50:35,569 INFO L247 ElimStorePlain]: Needed 19 recursive calls to eliminate 14 variables, input treesize:2561, output treesize:154 [2021-06-05 15:50:36,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:36,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:36,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:36,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 15:50:36,012 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:36,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:36,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:36,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 15:50:36,020 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:36,112 INFO L628 ElimStorePlain]: treesize reduction 111, result has 45.0 percent of original size [2021-06-05 15:50:36,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:36,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-05 15:50:36,118 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:36,150 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:36,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:36,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:36,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 15:50:36,156 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:36,179 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:36,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:36,184 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:36,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 15:50:36,186 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:36,205 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:36,207 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:50:36,208 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:237, output treesize:5 [2021-06-05 15:50:36,213 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:50:36,214 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130509590] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:50:36,214 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:50:36,214 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 23 [2021-06-05 15:50:36,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639798680] [2021-06-05 15:50:36,214 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 15:50:36,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:50:36,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 15:50:36,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=463, Unknown=0, NotChecked=0, Total=552 [2021-06-05 15:50:36,215 INFO L87 Difference]: Start difference. First operand 5045 states and 18047 transitions. Second operand has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:50:36,619 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 53 [2021-06-05 15:50:36,935 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 52 [2021-06-05 15:50:37,227 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2021-06-05 15:50:37,563 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2021-06-05 15:50:37,932 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-06-05 15:50:38,363 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-06-05 15:50:38,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:50:38,434 INFO L93 Difference]: Finished difference Result 7252 states and 25157 transitions. [2021-06-05 15:50:38,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-05 15:50:38,434 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:50:38,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:50:38,445 INFO L225 Difference]: With dead ends: 7252 [2021-06-05 15:50:38,446 INFO L226 Difference]: Without dead ends: 6933 [2021-06-05 15:50:38,446 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 2884.2ms TimeCoverageRelationStatistics Valid=161, Invalid=1029, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 15:50:38,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6933 states. [2021-06-05 15:50:38,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6933 to 5077. [2021-06-05 15:50:38,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5077 states, 5076 states have (on average 3.573483057525611) internal successors, (18139), 5076 states have internal predecessors, (18139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:50:38,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5077 states to 5077 states and 18139 transitions. [2021-06-05 15:50:38,586 INFO L78 Accepts]: Start accepts. Automaton has 5077 states and 18139 transitions. Word has length 33 [2021-06-05 15:50:38,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:50:38,586 INFO L482 AbstractCegarLoop]: Abstraction has 5077 states and 18139 transitions. [2021-06-05 15:50:38,587 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:50:38,587 INFO L276 IsEmpty]: Start isEmpty. Operand 5077 states and 18139 transitions. [2021-06-05 15:50:38,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:50:38,598 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:50:38,598 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:50:38,812 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable354,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:50:38,813 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:50:38,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:50:38,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1751058778, now seen corresponding path program 16 times [2021-06-05 15:50:38,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:50:38,813 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740457735] [2021-06-05 15:50:38,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:50:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:50:39,241 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 51 [2021-06-05 15:50:39,424 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 36 [2021-06-05 15:50:39,650 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:50:39,650 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:50:39,650 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740457735] [2021-06-05 15:50:39,650 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740457735] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:50:39,650 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712126142] [2021-06-05 15:50:39,651 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:50:39,679 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:50:39,679 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:50:39,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 15:50:39,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:50:39,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:50:39,807 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:39,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:50:39,812 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:39,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:50:39,818 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:39,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:50:39,825 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:39,904 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:39,906 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 15:50:39,906 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:277, output treesize:273 [2021-06-05 15:50:40,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:40,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:50:40,020 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:40,090 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:40,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:40,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:50:40,097 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:40,171 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:40,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:40,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:50:40,178 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:40,253 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:40,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:40,259 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 [2021-06-05 15:50:40,260 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:40,334 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:40,336 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 15:50:40,336 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:309, output treesize:305 [2021-06-05 15:50:40,646 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-05 15:50:40,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:40,679 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 34 treesize of output 26 [2021-06-05 15:50:40,680 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:40,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:40,688 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 40 treesize of output 32 [2021-06-05 15:50:40,690 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:40,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:40,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-05 15:50:40,697 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:41,043 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2021-06-05 15:50:41,043 INFO L628 ElimStorePlain]: treesize reduction 234, result has 72.4 percent of original size [2021-06-05 15:50:41,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:41,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-05 15:50:41,050 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:41,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:41,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 15:50:41,055 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:41,188 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-06-05 15:50:41,189 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:41,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:41,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-05 15:50:41,195 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:41,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:41,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 15:50:41,200 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:41,318 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-06-05 15:50:41,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:41,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:41,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-05 15:50:41,324 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:41,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:41,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-05 15:50:41,329 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:41,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:41,333 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 34 treesize of output 26 [2021-06-05 15:50:41,334 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:41,431 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:41,433 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-06-05 15:50:41,433 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 4 variables, input treesize:909, output treesize:443 [2021-06-05 15:50:41,981 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 29 treesize of output 17 [2021-06-05 15:50:41,982 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:42,006 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 29 treesize of output 17 [2021-06-05 15:50:42,007 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:42,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 15:50:42,029 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:42,043 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 27 treesize of output 17 [2021-06-05 15:50:42,045 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:42,991 WARN L205 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2021-06-05 15:50:42,991 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:43,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 15:50:43,006 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:43,015 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 25 treesize of output 15 [2021-06-05 15:50:43,017 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:44,089 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 225 DAG size of output: 173 [2021-06-05 15:50:44,089 INFO L628 ElimStorePlain]: treesize reduction 728, result has 56.2 percent of original size [2021-06-05 15:50:44,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:50:44,098 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:44,453 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-06-05 15:50:44,453 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:44,481 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 27 treesize of output 17 [2021-06-05 15:50:44,482 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:44,493 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 27 treesize of output 17 [2021-06-05 15:50:44,495 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:44,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:50:44,508 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:44,517 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 [2021-06-05 15:50:44,518 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:44,808 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2021-06-05 15:50:44,808 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:44,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 15:50:44,816 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:44,919 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 5 [2021-06-05 15:50:44,920 INFO L628 ElimStorePlain]: treesize reduction 754, result has 0.7 percent of original size [2021-06-05 15:50:44,920 INFO L518 ElimStorePlain]: Eliminatee v_prenex_182 vanished before elimination [2021-06-05 15:50:44,920 INFO L518 ElimStorePlain]: Eliminatee v_prenex_193 vanished before elimination [2021-06-05 15:50:44,920 INFO L518 ElimStorePlain]: Eliminatee v_prenex_183 vanished before elimination [2021-06-05 15:50:44,920 INFO L518 ElimStorePlain]: Eliminatee v_prenex_184 vanished before elimination [2021-06-05 15:50:44,920 INFO L518 ElimStorePlain]: Eliminatee v_prenex_185 vanished before elimination [2021-06-05 15:50:44,920 INFO L518 ElimStorePlain]: Eliminatee v_prenex_186 vanished before elimination [2021-06-05 15:50:44,920 INFO L518 ElimStorePlain]: Eliminatee v_prenex_187 vanished before elimination [2021-06-05 15:50:44,920 INFO L518 ElimStorePlain]: Eliminatee v_prenex_176 vanished before elimination [2021-06-05 15:50:44,920 INFO L518 ElimStorePlain]: Eliminatee v_prenex_188 vanished before elimination [2021-06-05 15:50:44,920 INFO L518 ElimStorePlain]: Eliminatee v_prenex_177 vanished before elimination [2021-06-05 15:50:44,920 INFO L518 ElimStorePlain]: Eliminatee v_prenex_178 vanished before elimination [2021-06-05 15:50:44,920 INFO L518 ElimStorePlain]: Eliminatee v_prenex_189 vanished before elimination [2021-06-05 15:50:44,921 INFO L518 ElimStorePlain]: Eliminatee v_prenex_179 vanished before elimination [2021-06-05 15:50:44,921 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 15:50:44,921 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 15:50:44,922 INFO L550 ElimStorePlain]: Start of recursive call 1: 20 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:50:44,922 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 20 variables, input treesize:1841, output treesize:5 [2021-06-05 15:50:44,932 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:50:44,933 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712126142] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:50:44,933 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:50:44,933 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-05 15:50:44,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801748771] [2021-06-05 15:50:44,933 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 15:50:44,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:50:44,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 15:50:44,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2021-06-05 15:50:44,934 INFO L87 Difference]: Start difference. First operand 5077 states and 18139 transitions. Second operand has 21 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 20 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:50:45,072 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 47 [2021-06-05 15:50:45,311 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2021-06-05 15:50:45,571 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2021-06-05 15:50:45,763 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-06-05 15:50:45,984 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-06-05 15:50:46,207 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-06-05 15:50:46,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:50:46,260 INFO L93 Difference]: Finished difference Result 6771 states and 23845 transitions. [2021-06-05 15:50:46,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 15:50:46,260 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 20 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:50:46,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:50:46,273 INFO L225 Difference]: With dead ends: 6771 [2021-06-05 15:50:46,273 INFO L226 Difference]: Without dead ends: 6635 [2021-06-05 15:50:46,274 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 2080.2ms TimeCoverageRelationStatistics Valid=136, Invalid=566, Unknown=0, NotChecked=0, Total=702 [2021-06-05 15:50:46,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6635 states. [2021-06-05 15:50:46,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6635 to 5089. [2021-06-05 15:50:46,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5089 states, 5088 states have (on average 3.570951257861635) internal successors, (18169), 5088 states have internal predecessors, (18169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:50:46,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5089 states to 5089 states and 18169 transitions. [2021-06-05 15:50:46,386 INFO L78 Accepts]: Start accepts. Automaton has 5089 states and 18169 transitions. Word has length 33 [2021-06-05 15:50:46,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:50:46,386 INFO L482 AbstractCegarLoop]: Abstraction has 5089 states and 18169 transitions. [2021-06-05 15:50:46,386 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 20 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:50:46,386 INFO L276 IsEmpty]: Start isEmpty. Operand 5089 states and 18169 transitions. [2021-06-05 15:50:46,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:50:46,397 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:50:46,397 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:50:46,621 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable951 [2021-06-05 15:50:46,621 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:50:46,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:50:46,622 INFO L82 PathProgramCache]: Analyzing trace with hash 103433024, now seen corresponding path program 17 times [2021-06-05 15:50:46,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:50:46,622 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861701400] [2021-06-05 15:50:46,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:50:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:50:46,965 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 100 [2021-06-05 15:50:47,166 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 43 [2021-06-05 15:50:47,270 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 97 [2021-06-05 15:50:47,427 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 41 [2021-06-05 15:50:47,538 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 104 [2021-06-05 15:50:47,732 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 49 [2021-06-05 15:50:48,038 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 46 [2021-06-05 15:50:48,142 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 96 [2021-06-05 15:50:48,470 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:50:48,471 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:50:48,471 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861701400] [2021-06-05 15:50:48,471 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861701400] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:50:48,471 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862488286] [2021-06-05 15:50:48,471 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:50:48,500 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-05 15:50:48,500 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:50:48,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-05 15:50:48,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:50:48,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:50:48,642 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:48,646 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 [2021-06-05 15:50:48,646 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:48,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:50:48,650 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:48,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:50:48,658 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:48,740 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:48,741 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 15:50:48,741 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:289, output treesize:285 [2021-06-05 15:50:49,045 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-06-05 15:50:49,236 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-05 15:50:49,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:49,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:49,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:49,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:50:49,258 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:49,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:49,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:50:49,264 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:49,514 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2021-06-05 15:50:49,515 INFO L628 ElimStorePlain]: treesize reduction 153, result has 74.4 percent of original size [2021-06-05 15:50:49,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:49,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:49,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:49,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:50:49,524 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:49,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:49,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:50:49,531 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:49,644 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-06-05 15:50:49,644 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:49,648 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:49,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:49,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:50:49,651 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:49,766 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-06-05 15:50:49,767 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:49,770 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:49,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:49,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:49,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:50:49,775 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:49,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:49,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:50:49,781 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:49,886 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-06-05 15:50:49,887 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:49,888 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-05 15:50:49,889 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:593, output treesize:451 [2021-06-05 15:50:50,054 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-06-05 15:50:50,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:50,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:50,384 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 59 treesize of output 39 [2021-06-05 15:50:50,386 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:50,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:50,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:50,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 15:50:50,408 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:50,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:50,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:50,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 15:50:50,428 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:50,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:50,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:50,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 15:50:50,444 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:51,140 WARN L205 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2021-06-05 15:50:51,141 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:51,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:51,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:51,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 41 [2021-06-05 15:50:51,155 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:51,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:51,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:51,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 41 [2021-06-05 15:50:51,169 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:51,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:51,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:51,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 41 [2021-06-05 15:50:51,184 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:51,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:51,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:51,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 41 [2021-06-05 15:50:51,195 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:51,829 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-06-05 15:50:51,829 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:51,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:51,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:51,842 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 42 treesize of output 26 [2021-06-05 15:50:51,843 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:51,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:51,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:51,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 26 [2021-06-05 15:50:51,862 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:51,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:51,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:51,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 30 [2021-06-05 15:50:51,879 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:51,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:51,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:51,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 30 [2021-06-05 15:50:51,889 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:52,778 WARN L205 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 128 [2021-06-05 15:50:52,778 INFO L628 ElimStorePlain]: treesize reduction 362, result has 78.6 percent of original size [2021-06-05 15:50:52,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:52,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:52,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 15:50:52,790 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:52,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:52,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:52,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 15:50:52,802 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:52,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:52,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:52,813 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 61 treesize of output 39 [2021-06-05 15:50:52,814 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:52,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:52,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:52,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 15:50:52,822 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:53,219 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-06-05 15:50:53,220 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:53,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:53,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:53,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 41 [2021-06-05 15:50:53,231 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:53,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:53,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:53,240 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 67 treesize of output 41 [2021-06-05 15:50:53,241 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:53,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:53,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:53,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 37 [2021-06-05 15:50:53,251 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:53,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:53,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:53,257 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 61 treesize of output 37 [2021-06-05 15:50:53,258 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:53,542 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 48 [2021-06-05 15:50:53,542 INFO L628 ElimStorePlain]: treesize reduction 683, result has 37.3 percent of original size [2021-06-05 15:50:53,542 INFO L518 ElimStorePlain]: Eliminatee v_prenex_199 vanished before elimination [2021-06-05 15:50:53,542 INFO L518 ElimStorePlain]: Eliminatee v_prenex_200 vanished before elimination [2021-06-05 15:50:53,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:53,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:53,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 41 [2021-06-05 15:50:53,549 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:53,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:53,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:53,556 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 65 treesize of output 41 [2021-06-05 15:50:53,557 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:53,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:53,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:53,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 41 [2021-06-05 15:50:53,564 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:53,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:53,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:53,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 41 [2021-06-05 15:50:53,569 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:53,633 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:53,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:53,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:53,639 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 52 treesize of output 30 [2021-06-05 15:50:53,640 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:53,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:53,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:53,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2021-06-05 15:50:53,649 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:53,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:53,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:53,655 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 [2021-06-05 15:50:53,656 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:53,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:53,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:53,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 30 [2021-06-05 15:50:53,660 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:53,728 INFO L628 ElimStorePlain]: treesize reduction 65, result has 54.5 percent of original size [2021-06-05 15:50:53,728 INFO L518 ElimStorePlain]: Eliminatee v_prenex_203 vanished before elimination [2021-06-05 15:50:53,728 INFO L518 ElimStorePlain]: Eliminatee v_prenex_204 vanished before elimination [2021-06-05 15:50:53,728 INFO L518 ElimStorePlain]: Eliminatee v_prenex_205 vanished before elimination [2021-06-05 15:50:53,729 INFO L550 ElimStorePlain]: Start of recursive call 1: 12 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-05 15:50:53,729 INFO L247 ElimStorePlain]: Needed 29 recursive calls to eliminate 12 variables, input treesize:2017, output treesize:78 [2021-06-05 15:50:53,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-05 15:50:53,805 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:53,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 15:50:53,808 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:53,819 INFO L628 ElimStorePlain]: treesize reduction 88, result has 5.4 percent of original size [2021-06-05 15:50:53,819 INFO L518 ElimStorePlain]: Eliminatee v_prenex_208 vanished before elimination [2021-06-05 15:50:53,819 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-06-05 15:50:53,820 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:50:53,820 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:135, output treesize:5 [2021-06-05 15:50:53,824 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:50:53,825 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862488286] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:50:53,825 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:50:53,825 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2021-06-05 15:50:53,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507395077] [2021-06-05 15:50:53,825 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-05 15:50:53,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:50:53,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-05 15:50:53,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2021-06-05 15:50:53,826 INFO L87 Difference]: Start difference. First operand 5089 states and 18169 transitions. Second operand has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:50:54,069 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2021-06-05 15:50:54,440 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 48 [2021-06-05 15:50:54,729 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 58 [2021-06-05 15:50:55,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:50:55,159 INFO L93 Difference]: Finished difference Result 7075 states and 24649 transitions. [2021-06-05 15:50:55,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 15:50:55,160 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:50:55,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:50:55,171 INFO L225 Difference]: With dead ends: 7075 [2021-06-05 15:50:55,171 INFO L226 Difference]: Without dead ends: 6902 [2021-06-05 15:50:55,171 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 2593.4ms TimeCoverageRelationStatistics Valid=173, Invalid=819, Unknown=0, NotChecked=0, Total=992 [2021-06-05 15:50:55,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6902 states. [2021-06-05 15:50:55,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6902 to 5090. [2021-06-05 15:50:55,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5090 states, 5089 states have (on average 3.572018078207899) internal successors, (18178), 5089 states have internal predecessors, (18178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:50:55,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5090 states to 5090 states and 18178 transitions. [2021-06-05 15:50:55,258 INFO L78 Accepts]: Start accepts. Automaton has 5090 states and 18178 transitions. Word has length 33 [2021-06-05 15:50:55,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:50:55,258 INFO L482 AbstractCegarLoop]: Abstraction has 5090 states and 18178 transitions. [2021-06-05 15:50:55,258 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:50:55,258 INFO L276 IsEmpty]: Start isEmpty. Operand 5090 states and 18178 transitions. [2021-06-05 15:50:55,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:50:55,269 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:50:55,269 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:50:55,492 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1079 [2021-06-05 15:50:55,492 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:50:55,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:50:55,492 INFO L82 PathProgramCache]: Analyzing trace with hash -320803294, now seen corresponding path program 18 times [2021-06-05 15:50:55,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:50:55,492 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055633999] [2021-06-05 15:50:55,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:50:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:50:56,077 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:50:56,077 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:50:56,077 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055633999] [2021-06-05 15:50:56,077 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055633999] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:50:56,077 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989549029] [2021-06-05 15:50:56,077 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:50:56,108 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-05 15:50:56,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:50:56,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-05 15:50:56,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:50:56,202 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 [2021-06-05 15:50:56,203 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:56,212 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:56,213 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:50:56,213 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 15:50:56,727 INFO L446 ElimStorePlain]: Different costs {1=[v_C_30], 6=[A, B]} [2021-06-05 15:50:56,749 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 15:50:56,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:50:56,750 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:56,772 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 15:50:56,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:50:56,774 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:56,797 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 15:50:56,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:50:56,799 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:56,826 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 15:50:56,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:50:56,827 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:56,850 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 15:50:56,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:50:56,852 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:56,874 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 15:50:56,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:50:56,876 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:56,899 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 15:50:56,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:50:56,900 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:56,922 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 15:50:56,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:50:56,924 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:56,947 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 15:50:56,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:50:56,948 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:56,972 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 15:50:56,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:50:56,974 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:56,997 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 15:50:56,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:50:56,998 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:57,022 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 15:50:57,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:50:57,023 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:57,046 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 15:50:57,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:50:57,047 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:57,070 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 15:50:57,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:50:57,071 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:57,093 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 15:50:57,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:50:57,094 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:57,111 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 15:50:57,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:50:57,112 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:57,488 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-06-05 15:50:57,488 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:57,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,519 INFO L354 Elim1Store]: treesize reduction 8, result has 70.4 percent of original size [2021-06-05 15:50:57,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 53 [2021-06-05 15:50:57,522 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:57,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,555 INFO L354 Elim1Store]: treesize reduction 8, result has 70.4 percent of original size [2021-06-05 15:50:57,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 53 [2021-06-05 15:50:57,558 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:57,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,589 INFO L354 Elim1Store]: treesize reduction 8, result has 70.4 percent of original size [2021-06-05 15:50:57,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 53 [2021-06-05 15:50:57,592 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:57,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,627 INFO L354 Elim1Store]: treesize reduction 8, result has 70.4 percent of original size [2021-06-05 15:50:57,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 53 [2021-06-05 15:50:57,630 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:57,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,660 INFO L354 Elim1Store]: treesize reduction 19, result has 29.6 percent of original size [2021-06-05 15:50:57,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 42 [2021-06-05 15:50:57,662 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:57,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,697 INFO L354 Elim1Store]: treesize reduction 8, result has 70.4 percent of original size [2021-06-05 15:50:57,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 53 [2021-06-05 15:50:57,700 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:57,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,734 INFO L354 Elim1Store]: treesize reduction 8, result has 70.4 percent of original size [2021-06-05 15:50:57,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 53 [2021-06-05 15:50:57,737 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:57,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,772 INFO L354 Elim1Store]: treesize reduction 8, result has 70.4 percent of original size [2021-06-05 15:50:57,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 53 [2021-06-05 15:50:57,775 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:57,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,806 INFO L354 Elim1Store]: treesize reduction 19, result has 29.6 percent of original size [2021-06-05 15:50:57,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 42 [2021-06-05 15:50:57,807 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:57,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,841 INFO L354 Elim1Store]: treesize reduction 8, result has 70.4 percent of original size [2021-06-05 15:50:57,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 53 [2021-06-05 15:50:57,844 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:57,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,873 INFO L354 Elim1Store]: treesize reduction 19, result has 29.6 percent of original size [2021-06-05 15:50:57,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 42 [2021-06-05 15:50:57,875 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:57,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,904 INFO L354 Elim1Store]: treesize reduction 19, result has 29.6 percent of original size [2021-06-05 15:50:57,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 42 [2021-06-05 15:50:57,906 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:57,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,936 INFO L354 Elim1Store]: treesize reduction 19, result has 29.6 percent of original size [2021-06-05 15:50:57,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 42 [2021-06-05 15:50:57,938 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:57,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,968 INFO L354 Elim1Store]: treesize reduction 19, result has 29.6 percent of original size [2021-06-05 15:50:57,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 42 [2021-06-05 15:50:57,970 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:57,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:57,999 INFO L354 Elim1Store]: treesize reduction 19, result has 29.6 percent of original size [2021-06-05 15:50:58,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 42 [2021-06-05 15:50:58,001 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:58,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,023 INFO L354 Elim1Store]: treesize reduction 19, result has 29.6 percent of original size [2021-06-05 15:50:58,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 42 [2021-06-05 15:50:58,024 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:58,355 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-06-05 15:50:58,356 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:58,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,386 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:58,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 78 [2021-06-05 15:50:58,427 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 3 xjuncts. [2021-06-05 15:50:58,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,459 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-06-05 15:50:58,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 38 [2021-06-05 15:50:58,462 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:58,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,497 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:58,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 51 [2021-06-05 15:50:58,511 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:58,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,554 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:58,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 93 [2021-06-05 15:50:58,592 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 2 xjuncts. [2021-06-05 15:50:58,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,631 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-06-05 15:50:58,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 40 [2021-06-05 15:50:58,633 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:58,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,686 INFO L354 Elim1Store]: treesize reduction 8, result has 70.4 percent of original size [2021-06-05 15:50:58,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 72 [2021-06-05 15:50:58,705 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:58,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,739 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-06-05 15:50:58,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 1 [2021-06-05 15:50:58,741 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:58,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,772 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-06-05 15:50:58,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 1 [2021-06-05 15:50:58,773 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:58,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,804 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-06-05 15:50:58,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 1 [2021-06-05 15:50:58,805 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:58,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,837 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-06-05 15:50:58,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 1 [2021-06-05 15:50:58,838 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:58,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,869 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-06-05 15:50:58,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 1 [2021-06-05 15:50:58,870 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:58,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,898 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-06-05 15:50:58,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 1 [2021-06-05 15:50:58,899 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:58,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,943 INFO L354 Elim1Store]: treesize reduction 19, result has 29.6 percent of original size [2021-06-05 15:50:58,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 70 [2021-06-05 15:50:58,949 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:58,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,972 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-06-05 15:50:58,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 1 [2021-06-05 15:50:58,972 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:58,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:58,994 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-06-05 15:50:58,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 1 [2021-06-05 15:50:58,995 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:59,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:59,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:59,014 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-06-05 15:50:59,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 89 treesize of output 1 [2021-06-05 15:50:59,015 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:59,166 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 41 [2021-06-05 15:50:59,167 INFO L628 ElimStorePlain]: treesize reduction 677, result has 18.5 percent of original size [2021-06-05 15:50:59,172 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-05 15:50:59,172 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 4 variables, input treesize:1409, output treesize:154 [2021-06-05 15:50:59,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:59,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:59,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:59,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2021-06-05 15:50:59,713 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:59,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:59,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:59,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 15:50:59,717 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:59,779 INFO L628 ElimStorePlain]: treesize reduction 40, result has 69.5 percent of original size [2021-06-05 15:50:59,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:59,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-05 15:50:59,784 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:59,808 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:59,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:59,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 15:50:59,813 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:59,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:50:59,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:50:59,816 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 14 [2021-06-05 15:50:59,817 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:50:59,829 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:50:59,831 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:50:59,831 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:178, output treesize:5 [2021-06-05 15:50:59,836 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:50:59,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989549029] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:50:59,836 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:50:59,836 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-06-05 15:50:59,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144444359] [2021-06-05 15:50:59,836 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-05 15:50:59,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:50:59,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-05 15:50:59,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=491, Unknown=0, NotChecked=0, Total=600 [2021-06-05 15:50:59,837 INFO L87 Difference]: Start difference. First operand 5090 states and 18178 transitions. Second operand has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:00,494 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2021-06-05 15:51:01,283 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2021-06-05 15:51:01,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:51:01,382 INFO L93 Difference]: Finished difference Result 6745 states and 23450 transitions. [2021-06-05 15:51:01,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 15:51:01,383 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:51:01,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:51:01,394 INFO L225 Difference]: With dead ends: 6745 [2021-06-05 15:51:01,394 INFO L226 Difference]: Without dead ends: 6702 [2021-06-05 15:51:01,394 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 1879.9ms TimeCoverageRelationStatistics Valid=199, Invalid=991, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 15:51:01,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6702 states. [2021-06-05 15:51:01,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6702 to 5106. [2021-06-05 15:51:01,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5106 states, 5105 states have (on average 3.570225269343781) internal successors, (18226), 5105 states have internal predecessors, (18226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:01,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5106 states to 5106 states and 18226 transitions. [2021-06-05 15:51:01,475 INFO L78 Accepts]: Start accepts. Automaton has 5106 states and 18226 transitions. Word has length 33 [2021-06-05 15:51:01,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:51:01,475 INFO L482 AbstractCegarLoop]: Abstraction has 5106 states and 18226 transitions. [2021-06-05 15:51:01,476 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:01,476 INFO L276 IsEmpty]: Start isEmpty. Operand 5106 states and 18226 transitions. [2021-06-05 15:51:01,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:51:01,486 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:51:01,486 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:51:01,710 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1165 [2021-06-05 15:51:01,710 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:51:01,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:51:01,710 INFO L82 PathProgramCache]: Analyzing trace with hash 875509148, now seen corresponding path program 19 times [2021-06-05 15:51:01,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:51:01,710 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713053197] [2021-06-05 15:51:01,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:51:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:51:02,007 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 43 [2021-06-05 15:51:02,325 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:51:02,325 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:51:02,325 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713053197] [2021-06-05 15:51:02,325 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713053197] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:51:02,325 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594806042] [2021-06-05 15:51:02,325 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:51:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:51:02,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-05 15:51:02,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:51:02,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:51:02,447 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:02,457 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:02,457 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:51:02,458 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-06-05 15:51:02,859 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-06-05 15:51:03,327 INFO L446 ElimStorePlain]: Different costs {1=[v_C_32], 3=[A, B]} [2021-06-05 15:51:03,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:51:03,339 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,349 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 30 treesize of output 32 [2021-06-05 15:51:03,350 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:51:03,365 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:51:03,379 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:51:03,394 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:51:03,409 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:51:03,424 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,435 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 37 treesize of output 35 [2021-06-05 15:51:03,436 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:51:03,447 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,458 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 [2021-06-05 15:51:03,459 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:51:03,470 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,481 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 37 treesize of output 35 [2021-06-05 15:51:03,482 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:51:03,493 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:51:03,506 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:51:03,518 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:51:03,529 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,540 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 37 treesize of output 35 [2021-06-05 15:51:03,541 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:51:03,553 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:51:03,566 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:51:03,577 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:51:03,590 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:51:03,602 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:51:03,615 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:51:03,627 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:51:03,638 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:51:03,651 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:51:03,665 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:51:03,678 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:51:03,691 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:51:03,703 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,713 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 37 treesize of output 35 [2021-06-05 15:51:03,714 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:03,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:03,723 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 37 treesize of output 35 [2021-06-05 15:51:03,724 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:04,699 WARN L205 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2021-06-05 15:51:04,699 INFO L628 ElimStorePlain]: treesize reduction 660, result has 75.0 percent of original size [2021-06-05 15:51:04,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 15:51:04,710 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:04,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-06-05 15:51:04,720 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:04,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 15:51:04,731 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:04,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 41 [2021-06-05 15:51:04,742 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:04,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 41 [2021-06-05 15:51:04,753 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:04,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-05 15:51:04,764 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:04,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-06-05 15:51:04,775 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:04,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,786 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 46 treesize of output 32 [2021-06-05 15:51:04,787 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:04,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-05 15:51:04,799 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:04,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 15:51:04,810 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:04,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2021-06-05 15:51:04,822 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:04,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-06-05 15:51:04,833 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:04,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 15:51:04,845 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:04,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 41 [2021-06-05 15:51:04,857 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:04,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,867 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 63 treesize of output 41 [2021-06-05 15:51:04,868 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:04,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 15:51:04,879 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:04,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 41 [2021-06-05 15:51:04,891 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:04,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 15:51:04,902 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:04,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 32 [2021-06-05 15:51:04,913 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:04,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,923 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 59 treesize of output 39 [2021-06-05 15:51:04,924 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:04,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 15:51:04,935 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:04,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,946 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 52 treesize of output 32 [2021-06-05 15:51:04,947 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:04,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2021-06-05 15:51:04,959 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:04,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:04,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-06-05 15:51:04,966 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:05,470 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2021-06-05 15:51:05,471 INFO L628 ElimStorePlain]: treesize reduction 452, result has 68.2 percent of original size [2021-06-05 15:51:05,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 41 [2021-06-05 15:51:05,480 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:05,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-06-05 15:51:05,489 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:05,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,497 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 51 treesize of output 31 [2021-06-05 15:51:05,499 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:05,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-05 15:51:05,508 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:05,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,519 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 59 treesize of output 39 [2021-06-05 15:51:05,521 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:05,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 30 [2021-06-05 15:51:05,531 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:05,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-06-05 15:51:05,541 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:05,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,549 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 44 treesize of output 26 [2021-06-05 15:51:05,550 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:05,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,559 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 0 case distinctions, treesize of input 46 treesize of output 26 [2021-06-05 15:51:05,560 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:05,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2021-06-05 15:51:05,570 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:05,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,578 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 47 treesize of output 31 [2021-06-05 15:51:05,579 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:05,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,587 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 53 treesize of output 31 [2021-06-05 15:51:05,589 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:05,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,598 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 61 treesize of output 37 [2021-06-05 15:51:05,599 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:05,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 39 [2021-06-05 15:51:05,608 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:05,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,616 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 50 treesize of output 30 [2021-06-05 15:51:05,617 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:05,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:05,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 41 [2021-06-05 15:51:05,628 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:05,716 INFO L628 ElimStorePlain]: treesize reduction 225, result has 25.7 percent of original size [2021-06-05 15:51:05,717 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-05 15:51:05,717 INFO L247 ElimStorePlain]: Needed 73 recursive calls to eliminate 3 variables, input treesize:2625, output treesize:78 [2021-06-05 15:51:05,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 15:51:05,802 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:05,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-05 15:51:05,806 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:05,816 INFO L628 ElimStorePlain]: treesize reduction 73, result has 6.4 percent of original size [2021-06-05 15:51:05,816 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-06-05 15:51:05,816 INFO L518 ElimStorePlain]: Eliminatee v_prenex_216 vanished before elimination [2021-06-05 15:51:05,816 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:51:05,816 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-06-05 15:51:05,822 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:51:05,822 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594806042] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:51:05,822 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:51:05,822 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-06-05 15:51:05,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991905906] [2021-06-05 15:51:05,822 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 15:51:05,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:51:05,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 15:51:05,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=454, Unknown=0, NotChecked=0, Total=552 [2021-06-05 15:51:05,823 INFO L87 Difference]: Start difference. First operand 5106 states and 18226 transitions. Second operand has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:06,702 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 71 [2021-06-05 15:51:07,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:51:07,065 INFO L93 Difference]: Finished difference Result 6759 states and 23525 transitions. [2021-06-05 15:51:07,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 15:51:07,066 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:51:07,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:51:07,078 INFO L225 Difference]: With dead ends: 6759 [2021-06-05 15:51:07,078 INFO L226 Difference]: Without dead ends: 6582 [2021-06-05 15:51:07,079 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 1481.9ms TimeCoverageRelationStatistics Valid=190, Invalid=932, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 15:51:07,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6582 states. [2021-06-05 15:51:07,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6582 to 5104. [2021-06-05 15:51:07,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5104 states, 5103 states have (on average 3.5673133450911227) internal successors, (18204), 5103 states have internal predecessors, (18204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:07,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5104 states to 5104 states and 18204 transitions. [2021-06-05 15:51:07,166 INFO L78 Accepts]: Start accepts. Automaton has 5104 states and 18204 transitions. Word has length 33 [2021-06-05 15:51:07,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:51:07,166 INFO L482 AbstractCegarLoop]: Abstraction has 5104 states and 18204 transitions. [2021-06-05 15:51:07,166 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:07,167 INFO L276 IsEmpty]: Start isEmpty. Operand 5104 states and 18204 transitions. [2021-06-05 15:51:07,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:51:07,178 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:51:07,178 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:51:07,390 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1284,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:51:07,390 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:51:07,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:51:07,391 INFO L82 PathProgramCache]: Analyzing trace with hash 129571106, now seen corresponding path program 20 times [2021-06-05 15:51:07,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:51:07,391 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205712457] [2021-06-05 15:51:07,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:51:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:51:07,711 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 41 [2021-06-05 15:51:07,966 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:51:07,966 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:51:07,966 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205712457] [2021-06-05 15:51:07,966 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205712457] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:51:07,966 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604026441] [2021-06-05 15:51:07,966 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:51:08,009 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:51:08,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:51:08,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 15:51:08,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:51:08,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:51:08,116 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:08,128 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:08,128 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:51:08,129 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 15:51:08,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:51:08,225 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:08,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:51:08,233 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:08,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:51:08,242 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:08,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:51:08,249 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:08,332 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:08,334 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 15:51:08,334 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:253, output treesize:249 [2021-06-05 15:51:08,770 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 51 treesize of output 35 [2021-06-05 15:51:08,771 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:09,219 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2021-06-05 15:51:09,220 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:09,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 15:51:09,237 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:09,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 15:51:09,250 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:09,630 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-06-05 15:51:09,630 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:09,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 35 [2021-06-05 15:51:09,643 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:10,294 WARN L205 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 212 [2021-06-05 15:51:10,294 INFO L628 ElimStorePlain]: treesize reduction 158, result has 85.2 percent of original size [2021-06-05 15:51:10,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2021-06-05 15:51:10,309 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:10,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2021-06-05 15:51:10,320 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:10,827 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 177 [2021-06-05 15:51:10,828 INFO L628 ElimStorePlain]: treesize reduction 106, result has 87.7 percent of original size [2021-06-05 15:51:10,828 INFO L518 ElimStorePlain]: Eliminatee v_prenex_232 vanished before elimination [2021-06-05 15:51:10,828 INFO L518 ElimStorePlain]: Eliminatee v_prenex_233 vanished before elimination [2021-06-05 15:51:10,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 15:51:10,837 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:11,079 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2021-06-05 15:51:11,080 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:11,087 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 53 treesize of output 35 [2021-06-05 15:51:11,089 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:11,471 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 136 [2021-06-05 15:51:11,472 INFO L628 ElimStorePlain]: treesize reduction 149, result has 79.1 percent of original size [2021-06-05 15:51:11,472 INFO L518 ElimStorePlain]: Eliminatee v_prenex_234 vanished before elimination [2021-06-05 15:51:11,472 INFO L518 ElimStorePlain]: Eliminatee v_prenex_224 vanished before elimination [2021-06-05 15:51:11,472 INFO L518 ElimStorePlain]: Eliminatee v_prenex_235 vanished before elimination [2021-06-05 15:51:11,472 INFO L518 ElimStorePlain]: Eliminatee v_prenex_225 vanished before elimination [2021-06-05 15:51:11,481 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 49 treesize of output 35 [2021-06-05 15:51:11,483 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:11,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 15:51:11,494 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:11,653 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-06-05 15:51:11,653 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:11,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 15:51:11,660 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:11,812 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-06-05 15:51:11,812 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:11,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 31 [2021-06-05 15:51:11,822 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:11,830 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 47 treesize of output 31 [2021-06-05 15:51:11,832 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:11,923 INFO L628 ElimStorePlain]: treesize reduction 330, result has 28.3 percent of original size [2021-06-05 15:51:11,923 INFO L518 ElimStorePlain]: Eliminatee v_prenex_238 vanished before elimination [2021-06-05 15:51:11,926 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 57 treesize of output 37 [2021-06-05 15:51:11,927 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:11,987 INFO L628 ElimStorePlain]: treesize reduction 33, result has 68.0 percent of original size [2021-06-05 15:51:11,988 INFO L518 ElimStorePlain]: Eliminatee v_prenex_239 vanished before elimination [2021-06-05 15:51:11,988 INFO L518 ElimStorePlain]: Eliminatee v_prenex_228 vanished before elimination [2021-06-05 15:51:11,988 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 15:51:11,988 INFO L518 ElimStorePlain]: Eliminatee v_prenex_218 vanished before elimination [2021-06-05 15:51:11,988 INFO L518 ElimStorePlain]: Eliminatee v_prenex_229 vanished before elimination [2021-06-05 15:51:11,988 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 15:51:11,988 INFO L518 ElimStorePlain]: Eliminatee v_prenex_219 vanished before elimination [2021-06-05 15:51:11,989 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-05 15:51:11,989 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 24 variables, input treesize:1137, output treesize:70 [2021-06-05 15:51:12,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 15:51:12,128 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:12,140 INFO L628 ElimStorePlain]: treesize reduction 88, result has 5.4 percent of original size [2021-06-05 15:51:12,140 INFO L518 ElimStorePlain]: Eliminatee v_prenex_240 vanished before elimination [2021-06-05 15:51:12,140 INFO L518 ElimStorePlain]: Eliminatee v_prenex_241 vanished before elimination [2021-06-05 15:51:12,140 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:51:12,140 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-06-05 15:51:12,145 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:51:12,145 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604026441] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:51:12,145 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:51:12,145 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-05 15:51:12,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750803904] [2021-06-05 15:51:12,145 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 15:51:12,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:51:12,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 15:51:12,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2021-06-05 15:51:12,146 INFO L87 Difference]: Start difference. First operand 5104 states and 18204 transitions. Second operand has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:12,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:51:12,456 INFO L93 Difference]: Finished difference Result 6538 states and 22837 transitions. [2021-06-05 15:51:12,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-05 15:51:12,456 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:51:12,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:51:12,468 INFO L225 Difference]: With dead ends: 6538 [2021-06-05 15:51:12,468 INFO L226 Difference]: Without dead ends: 6443 [2021-06-05 15:51:12,468 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 761.9ms TimeCoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2021-06-05 15:51:12,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6443 states. [2021-06-05 15:51:12,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6443 to 5229. [2021-06-05 15:51:12,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5229 states, 5228 states have (on average 3.563886763580719) internal successors, (18632), 5228 states have internal predecessors, (18632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:12,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5229 states to 5229 states and 18632 transitions. [2021-06-05 15:51:12,557 INFO L78 Accepts]: Start accepts. Automaton has 5229 states and 18632 transitions. Word has length 33 [2021-06-05 15:51:12,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:51:12,557 INFO L482 AbstractCegarLoop]: Abstraction has 5229 states and 18632 transitions. [2021-06-05 15:51:12,557 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:12,557 INFO L276 IsEmpty]: Start isEmpty. Operand 5229 states and 18632 transitions. [2021-06-05 15:51:12,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:51:12,565 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:51:12,565 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:51:12,765 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1377 [2021-06-05 15:51:12,766 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:51:12,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:51:12,766 INFO L82 PathProgramCache]: Analyzing trace with hash 800704726, now seen corresponding path program 21 times [2021-06-05 15:51:12,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:51:12,766 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900250010] [2021-06-05 15:51:12,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:51:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:51:13,157 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 43 [2021-06-05 15:51:13,307 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 43 [2021-06-05 15:51:13,433 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:51:13,433 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:51:13,433 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900250010] [2021-06-05 15:51:13,433 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900250010] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:51:13,433 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745563761] [2021-06-05 15:51:13,433 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:51:13,461 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-05 15:51:13,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:51:13,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-05 15:51:13,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:51:13,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:51:13,543 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:13,553 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:13,553 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:51:13,553 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-06-05 15:51:13,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:51:13,631 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:13,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:51:13,638 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:13,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:51:13,644 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:13,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:51:13,649 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:13,719 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:13,721 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 15:51:13,721 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:265, output treesize:261 [2021-06-05 15:51:14,109 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-05 15:51:14,592 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 51 treesize of output 35 [2021-06-05 15:51:14,593 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:14,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 15:51:14,608 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:14,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 28 [2021-06-05 15:51:14,623 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:14,638 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 40 treesize of output 28 [2021-06-05 15:51:14,640 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:14,655 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 49 treesize of output 35 [2021-06-05 15:51:14,656 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:14,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 15:51:14,672 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:14,683 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 42 treesize of output 28 [2021-06-05 15:51:14,684 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:14,691 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 40 treesize of output 28 [2021-06-05 15:51:14,692 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:15,850 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 142 DAG size of output: 132 [2021-06-05 15:51:15,851 INFO L628 ElimStorePlain]: treesize reduction 500, result has 76.8 percent of original size [2021-06-05 15:51:15,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-05 15:51:15,861 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:15,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 15:51:15,871 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:15,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-05 15:51:15,881 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:15,887 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 55 treesize of output 37 [2021-06-05 15:51:15,888 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:16,849 WARN L205 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2021-06-05 15:51:16,850 INFO L628 ElimStorePlain]: treesize reduction 44, result has 97.1 percent of original size [2021-06-05 15:51:16,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 15:51:16,860 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:16,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 15:51:16,871 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:16,880 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 51 treesize of output 35 [2021-06-05 15:51:16,882 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:16,891 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 42 treesize of output 28 [2021-06-05 15:51:16,892 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:16,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-06-05 15:51:16,906 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:16,916 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 49 treesize of output 35 [2021-06-05 15:51:16,917 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:16,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-06-05 15:51:16,928 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:16,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 28 [2021-06-05 15:51:16,936 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:17,669 WARN L205 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 108 [2021-06-05 15:51:17,669 INFO L628 ElimStorePlain]: treesize reduction 204, result has 84.9 percent of original size [2021-06-05 15:51:17,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2021-06-05 15:51:17,679 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:17,688 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 51 treesize of output 33 [2021-06-05 15:51:17,689 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:17,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2021-06-05 15:51:17,699 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:17,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-05 15:51:17,706 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:17,962 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 50 [2021-06-05 15:51:17,963 INFO L628 ElimStorePlain]: treesize reduction 672, result has 33.1 percent of original size [2021-06-05 15:51:17,969 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 40 treesize of output 28 [2021-06-05 15:51:17,970 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:17,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-06-05 15:51:17,976 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:17,982 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 42 treesize of output 28 [2021-06-05 15:51:17,984 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:17,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 28 [2021-06-05 15:51:17,990 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:18,061 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:18,067 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 44 treesize of output 28 [2021-06-05 15:51:18,068 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:18,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 24 [2021-06-05 15:51:18,074 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:18,079 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 42 treesize of output 28 [2021-06-05 15:51:18,080 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:18,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2021-06-05 15:51:18,084 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:18,151 INFO L628 ElimStorePlain]: treesize reduction 35, result has 75.0 percent of original size [2021-06-05 15:51:18,151 INFO L518 ElimStorePlain]: Eliminatee v_prenex_246 vanished before elimination [2021-06-05 15:51:18,151 INFO L518 ElimStorePlain]: Eliminatee v_prenex_247 vanished before elimination [2021-06-05 15:51:18,152 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 15:51:18,152 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 8 variables, input treesize:2305, output treesize:105 [2021-06-05 15:51:18,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:18,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:51:18,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:51:18,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 15:51:18,400 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:18,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:18,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:51:18,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 15:51:18,406 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:18,502 INFO L628 ElimStorePlain]: treesize reduction 73, result has 61.6 percent of original size [2021-06-05 15:51:18,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:18,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:51:18,506 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 20 treesize of output 14 [2021-06-05 15:51:18,507 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:18,538 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:18,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-05 15:51:18,542 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:18,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:18,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:18,575 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:51:18,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:51:18,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 15:51:18,578 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:18,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:18,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 15:51:18,582 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:18,616 INFO L628 ElimStorePlain]: treesize reduction 12, result has 80.3 percent of original size [2021-06-05 15:51:18,618 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:51:18,618 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:237, output treesize:5 [2021-06-05 15:51:18,623 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:51:18,623 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745563761] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:51:18,623 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:51:18,623 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-06-05 15:51:18,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496029355] [2021-06-05 15:51:18,624 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 15:51:18,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:51:18,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 15:51:18,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:51:18,625 INFO L87 Difference]: Start difference. First operand 5229 states and 18632 transitions. Second operand has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:19,100 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 60 [2021-06-05 15:51:19,428 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 62 [2021-06-05 15:51:19,816 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2021-06-05 15:51:20,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:51:20,141 INFO L93 Difference]: Finished difference Result 7638 states and 26431 transitions. [2021-06-05 15:51:20,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-05 15:51:20,142 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:51:20,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:51:20,154 INFO L225 Difference]: With dead ends: 7638 [2021-06-05 15:51:20,154 INFO L226 Difference]: Without dead ends: 7276 [2021-06-05 15:51:20,154 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 1965.8ms TimeCoverageRelationStatistics Valid=131, Invalid=739, Unknown=0, NotChecked=0, Total=870 [2021-06-05 15:51:20,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7276 states. [2021-06-05 15:51:20,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7276 to 5372. [2021-06-05 15:51:20,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5372 states, 5371 states have (on average 3.552038726494135) internal successors, (19078), 5371 states have internal predecessors, (19078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:20,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5372 states to 5372 states and 19078 transitions. [2021-06-05 15:51:20,261 INFO L78 Accepts]: Start accepts. Automaton has 5372 states and 19078 transitions. Word has length 33 [2021-06-05 15:51:20,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:51:20,261 INFO L482 AbstractCegarLoop]: Abstraction has 5372 states and 19078 transitions. [2021-06-05 15:51:20,261 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:20,261 INFO L276 IsEmpty]: Start isEmpty. Operand 5372 states and 19078 transitions. [2021-06-05 15:51:20,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:51:20,269 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:51:20,269 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:51:20,470 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1429 [2021-06-05 15:51:20,472 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:51:20,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:51:20,472 INFO L82 PathProgramCache]: Analyzing trace with hash 834031778, now seen corresponding path program 22 times [2021-06-05 15:51:20,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:51:20,472 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48253126] [2021-06-05 15:51:20,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:51:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:51:21,012 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:51:21,012 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:51:21,013 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48253126] [2021-06-05 15:51:21,013 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48253126] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:51:21,013 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272594247] [2021-06-05 15:51:21,013 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:51:21,048 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:51:21,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:51:21,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-05 15:51:21,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:51:21,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:51:21,139 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:21,151 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:21,152 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:51:21,152 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-06-05 15:51:21,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:21,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:51:21,245 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:21,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:21,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:51:21,254 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:21,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:21,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:51:21,261 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:21,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:21,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:51:21,267 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:21,339 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:21,340 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 15:51:21,340 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:301, output treesize:297 [2021-06-05 15:51:21,686 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2021-06-05 15:51:21,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:21,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 15:51:21,739 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:21,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:21,747 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 45 treesize of output 29 [2021-06-05 15:51:21,748 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:22,101 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2021-06-05 15:51:22,102 INFO L628 ElimStorePlain]: treesize reduction 135, result has 83.6 percent of original size [2021-06-05 15:51:22,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:22,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-05 15:51:22,110 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:22,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:22,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 15:51:22,116 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:22,385 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-06-05 15:51:22,385 INFO L628 ElimStorePlain]: treesize reduction 65, result has 89.8 percent of original size [2021-06-05 15:51:22,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:22,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-05 15:51:22,391 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:22,520 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-06-05 15:51:22,520 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:22,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:22,525 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 29 treesize of output 23 [2021-06-05 15:51:22,526 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:22,650 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-06-05 15:51:22,651 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:22,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:22,656 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 36 treesize of output 26 [2021-06-05 15:51:22,658 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:22,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:22,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 15:51:22,663 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:22,771 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-06-05 15:51:22,771 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:22,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:22,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 15:51:22,777 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:22,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:22,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-05 15:51:22,782 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:22,878 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:22,880 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-06-05 15:51:22,880 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 6 variables, input treesize:859, output treesize:423 [2021-06-05 15:51:23,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:51:23,597 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:23,613 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 25 treesize of output 17 [2021-06-05 15:51:23,614 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:25,732 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 408 DAG size of output: 406 [2021-06-05 15:51:25,733 INFO L628 ElimStorePlain]: treesize reduction 23, result has 98.7 percent of original size [2021-06-05 15:51:25,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-06-05 15:51:25,756 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:25,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-06-05 15:51:25,776 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:26,808 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 399 [2021-06-05 15:51:26,809 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:26,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 15:51:26,829 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:26,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-05 15:51:26,845 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:27,849 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 388 DAG size of output: 241 [2021-06-05 15:51:27,849 INFO L628 ElimStorePlain]: treesize reduction 741, result has 55.3 percent of original size [2021-06-05 15:51:27,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 15:51:27,863 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:27,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:51:27,874 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:28,197 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2021-06-05 15:51:28,198 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:28,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:51:28,208 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:28,525 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-06-05 15:51:28,525 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:28,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:51:28,540 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:28,551 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 29 treesize of output 17 [2021-06-05 15:51:28,552 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:28,840 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-06-05 15:51:28,841 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:28,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 15:51:28,851 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:28,948 INFO L628 ElimStorePlain]: treesize reduction 761, result has 0.7 percent of original size [2021-06-05 15:51:28,948 INFO L518 ElimStorePlain]: Eliminatee v_prenex_262 vanished before elimination [2021-06-05 15:51:28,948 INFO L518 ElimStorePlain]: Eliminatee v_prenex_285 vanished before elimination [2021-06-05 15:51:28,948 INFO L518 ElimStorePlain]: Eliminatee v_prenex_263 vanished before elimination [2021-06-05 15:51:28,948 INFO L518 ElimStorePlain]: Eliminatee v_prenex_286 vanished before elimination [2021-06-05 15:51:28,948 INFO L518 ElimStorePlain]: Eliminatee v_prenex_264 vanished before elimination [2021-06-05 15:51:28,948 INFO L518 ElimStorePlain]: Eliminatee v_prenex_265 vanished before elimination [2021-06-05 15:51:28,948 INFO L518 ElimStorePlain]: Eliminatee v_prenex_287 vanished before elimination [2021-06-05 15:51:28,948 INFO L518 ElimStorePlain]: Eliminatee v_prenex_266 vanished before elimination [2021-06-05 15:51:28,948 INFO L518 ElimStorePlain]: Eliminatee v_prenex_288 vanished before elimination [2021-06-05 15:51:28,948 INFO L518 ElimStorePlain]: Eliminatee v_prenex_267 vanished before elimination [2021-06-05 15:51:28,948 INFO L518 ElimStorePlain]: Eliminatee v_prenex_289 vanished before elimination [2021-06-05 15:51:28,948 INFO L518 ElimStorePlain]: Eliminatee v_prenex_268 vanished before elimination [2021-06-05 15:51:28,948 INFO L518 ElimStorePlain]: Eliminatee v_prenex_269 vanished before elimination [2021-06-05 15:51:28,948 INFO L518 ElimStorePlain]: Eliminatee v_prenex_290 vanished before elimination [2021-06-05 15:51:28,948 INFO L518 ElimStorePlain]: Eliminatee v_prenex_291 vanished before elimination [2021-06-05 15:51:28,949 INFO L518 ElimStorePlain]: Eliminatee v_prenex_270 vanished before elimination [2021-06-05 15:51:28,949 INFO L518 ElimStorePlain]: Eliminatee v_prenex_292 vanished before elimination [2021-06-05 15:51:28,949 INFO L518 ElimStorePlain]: Eliminatee v_prenex_293 vanished before elimination [2021-06-05 15:51:28,949 INFO L518 ElimStorePlain]: Eliminatee v_prenex_271 vanished before elimination [2021-06-05 15:51:28,949 INFO L518 ElimStorePlain]: Eliminatee v_prenex_294 vanished before elimination [2021-06-05 15:51:28,949 INFO L518 ElimStorePlain]: Eliminatee v_prenex_272 vanished before elimination [2021-06-05 15:51:28,949 INFO L518 ElimStorePlain]: Eliminatee v_prenex_295 vanished before elimination [2021-06-05 15:51:28,949 INFO L518 ElimStorePlain]: Eliminatee v_prenex_273 vanished before elimination [2021-06-05 15:51:28,949 INFO L518 ElimStorePlain]: Eliminatee v_prenex_296 vanished before elimination [2021-06-05 15:51:28,949 INFO L518 ElimStorePlain]: Eliminatee v_prenex_274 vanished before elimination [2021-06-05 15:51:28,949 INFO L518 ElimStorePlain]: Eliminatee v_prenex_275 vanished before elimination [2021-06-05 15:51:28,949 INFO L518 ElimStorePlain]: Eliminatee v_prenex_276 vanished before elimination [2021-06-05 15:51:28,949 INFO L518 ElimStorePlain]: Eliminatee v_prenex_277 vanished before elimination [2021-06-05 15:51:28,949 INFO L518 ElimStorePlain]: Eliminatee v_prenex_278 vanished before elimination [2021-06-05 15:51:28,949 INFO L518 ElimStorePlain]: Eliminatee v_prenex_279 vanished before elimination [2021-06-05 15:51:28,949 INFO L518 ElimStorePlain]: Eliminatee v_prenex_259 vanished before elimination [2021-06-05 15:51:28,949 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 15:51:28,949 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 15:51:28,950 INFO L550 ElimStorePlain]: Start of recursive call 1: 40 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:51:28,950 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 40 variables, input treesize:1801, output treesize:5 [2021-06-05 15:51:28,958 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:51:28,958 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272594247] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:51:28,958 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:51:28,958 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-05 15:51:28,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675852866] [2021-06-05 15:51:28,959 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 15:51:28,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:51:28,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 15:51:28,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2021-06-05 15:51:28,959 INFO L87 Difference]: Start difference. First operand 5372 states and 19078 transitions. Second operand has 21 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 20 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:29,245 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2021-06-05 15:51:29,684 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2021-06-05 15:51:29,961 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2021-06-05 15:51:30,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:51:30,094 INFO L93 Difference]: Finished difference Result 7210 states and 25139 transitions. [2021-06-05 15:51:30,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 15:51:30,094 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 20 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:51:30,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:51:30,106 INFO L225 Difference]: With dead ends: 7210 [2021-06-05 15:51:30,106 INFO L226 Difference]: Without dead ends: 7038 [2021-06-05 15:51:30,106 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 1598.4ms TimeCoverageRelationStatistics Valid=144, Invalid=612, Unknown=0, NotChecked=0, Total=756 [2021-06-05 15:51:30,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7038 states. [2021-06-05 15:51:30,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7038 to 5382. [2021-06-05 15:51:30,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5382 states, 5381 states have (on average 3.5567738338598773) internal successors, (19139), 5381 states have internal predecessors, (19139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:30,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5382 states to 5382 states and 19139 transitions. [2021-06-05 15:51:30,211 INFO L78 Accepts]: Start accepts. Automaton has 5382 states and 19139 transitions. Word has length 33 [2021-06-05 15:51:30,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:51:30,211 INFO L482 AbstractCegarLoop]: Abstraction has 5382 states and 19139 transitions. [2021-06-05 15:51:30,211 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 20 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:30,211 INFO L276 IsEmpty]: Start isEmpty. Operand 5382 states and 19139 transitions. [2021-06-05 15:51:30,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:51:30,219 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:51:30,219 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:51:30,419 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1599 [2021-06-05 15:51:30,419 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:51:30,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:51:30,420 INFO L82 PathProgramCache]: Analyzing trace with hash -1088923614, now seen corresponding path program 23 times [2021-06-05 15:51:30,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:51:30,420 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481700147] [2021-06-05 15:51:30,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:51:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:51:30,834 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:51:30,835 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:51:30,835 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481700147] [2021-06-05 15:51:30,835 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481700147] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:51:30,835 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657632052] [2021-06-05 15:51:30,835 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:51:30,873 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-05 15:51:30,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:51:30,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-05 15:51:30,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:51:30,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:51:30,982 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:30,992 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:30,993 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:51:30,993 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-06-05 15:51:31,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:31,061 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 [2021-06-05 15:51:31,062 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,074 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:31,075 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,075 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2021-06-05 15:51:31,328 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 49 treesize of output 35 [2021-06-05 15:51:31,330 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 15:51:31,337 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,344 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 47 treesize of output 35 [2021-06-05 15:51:31,345 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,352 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 51 treesize of output 35 [2021-06-05 15:51:31,353 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 15:51:31,362 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 15:51:31,370 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,377 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 47 treesize of output 35 [2021-06-05 15:51:31,379 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 15:51:31,387 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,394 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 47 treesize of output 35 [2021-06-05 15:51:31,396 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 15:51:31,407 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 15:51:31,417 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 15:51:31,426 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 15:51:31,434 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,441 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 51 treesize of output 35 [2021-06-05 15:51:31,443 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,450 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 47 treesize of output 35 [2021-06-05 15:51:31,451 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,456 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 51 treesize of output 35 [2021-06-05 15:51:31,457 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,661 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-06-05 15:51:31,662 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:31,667 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 57 treesize of output 37 [2021-06-05 15:51:31,669 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2021-06-05 15:51:31,676 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,683 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 51 treesize of output 33 [2021-06-05 15:51:31,684 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,691 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 57 treesize of output 37 [2021-06-05 15:51:31,693 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2021-06-05 15:51:31,701 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 37 [2021-06-05 15:51:31,710 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2021-06-05 15:51:31,718 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-05 15:51:31,727 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 15:51:31,735 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 15:51:31,743 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,750 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 45 treesize of output 29 [2021-06-05 15:51:31,752 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-05 15:51:31,760 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-05 15:51:31,767 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-06-05 15:51:31,775 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,781 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 49 treesize of output 33 [2021-06-05 15:51:31,783 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,786 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 53 treesize of output 37 [2021-06-05 15:51:31,787 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:31,868 INFO L628 ElimStorePlain]: treesize reduction 325, result has 14.0 percent of original size [2021-06-05 15:51:31,869 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-05 15:51:31,869 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 2 variables, input treesize:1169, output treesize:53 [2021-06-05 15:51:32,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 15:51:32,054 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:32,061 INFO L628 ElimStorePlain]: treesize reduction 41, result has 10.9 percent of original size [2021-06-05 15:51:32,061 INFO L518 ElimStorePlain]: Eliminatee v_prenex_297 vanished before elimination [2021-06-05 15:51:32,061 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:51:32,061 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:61, output treesize:5 [2021-06-05 15:51:32,066 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:51:32,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657632052] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:51:32,066 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:51:32,066 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 21 [2021-06-05 15:51:32,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309916997] [2021-06-05 15:51:32,066 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-05 15:51:32,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:51:32,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-05 15:51:32,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2021-06-05 15:51:32,067 INFO L87 Difference]: Start difference. First operand 5382 states and 19139 transitions. Second operand has 22 states, 22 states have (on average 2.772727272727273) internal successors, (61), 21 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:32,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:51:32,825 INFO L93 Difference]: Finished difference Result 7067 states and 24541 transitions. [2021-06-05 15:51:32,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-05 15:51:32,826 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.772727272727273) internal successors, (61), 21 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:51:32,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:51:32,838 INFO L225 Difference]: With dead ends: 7067 [2021-06-05 15:51:32,838 INFO L226 Difference]: Without dead ends: 6972 [2021-06-05 15:51:32,838 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 915.2ms TimeCoverageRelationStatistics Valid=122, Invalid=634, Unknown=0, NotChecked=0, Total=756 [2021-06-05 15:51:32,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6972 states. [2021-06-05 15:51:32,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6972 to 5552. [2021-06-05 15:51:32,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5552 states, 5551 states have (on average 3.551432174382994) internal successors, (19714), 5551 states have internal predecessors, (19714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:32,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5552 states to 5552 states and 19714 transitions. [2021-06-05 15:51:32,925 INFO L78 Accepts]: Start accepts. Automaton has 5552 states and 19714 transitions. Word has length 33 [2021-06-05 15:51:32,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:51:32,925 INFO L482 AbstractCegarLoop]: Abstraction has 5552 states and 19714 transitions. [2021-06-05 15:51:32,925 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.772727272727273) internal successors, (61), 21 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:32,925 INFO L276 IsEmpty]: Start isEmpty. Operand 5552 states and 19714 transitions. [2021-06-05 15:51:32,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:51:32,933 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:51:32,933 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:51:33,134 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1739,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:51:33,134 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:51:33,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:51:33,134 INFO L82 PathProgramCache]: Analyzing trace with hash -417789994, now seen corresponding path program 24 times [2021-06-05 15:51:33,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:51:33,134 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247495967] [2021-06-05 15:51:33,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:51:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:51:33,613 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 53 [2021-06-05 15:51:33,746 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:51:33,747 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:51:33,747 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247495967] [2021-06-05 15:51:33,747 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247495967] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:51:33,747 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219728545] [2021-06-05 15:51:33,747 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:51:33,775 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-05 15:51:33,775 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:51:33,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 15:51:33,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:51:33,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:51:33,859 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:33,869 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:33,869 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:51:33,869 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 15:51:33,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:33,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:51:33,899 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:33,909 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:33,910 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:51:33,910 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-06-05 15:51:34,444 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 42 treesize of output 28 [2021-06-05 15:51:34,445 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 28 [2021-06-05 15:51:34,455 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,464 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 40 treesize of output 28 [2021-06-05 15:51:34,465 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-06-05 15:51:34,475 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,484 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 51 treesize of output 35 [2021-06-05 15:51:34,485 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 15:51:34,497 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 15:51:34,509 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 15:51:34,521 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 15:51:34,534 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 15:51:34,547 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,558 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 42 treesize of output 28 [2021-06-05 15:51:34,560 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,571 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 40 treesize of output 28 [2021-06-05 15:51:34,573 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-06-05 15:51:34,585 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 15:51:34,598 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 28 [2021-06-05 15:51:34,610 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,621 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 40 treesize of output 28 [2021-06-05 15:51:34,622 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 15:51:34,634 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 28 [2021-06-05 15:51:34,646 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 15:51:34,657 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 15:51:34,669 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 15:51:34,681 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 15:51:34,693 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,702 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 49 treesize of output 35 [2021-06-05 15:51:34,704 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,714 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 42 treesize of output 28 [2021-06-05 15:51:34,715 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 15:51:34,723 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 15:51:34,731 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,738 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 40 treesize of output 28 [2021-06-05 15:51:34,739 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 28 [2021-06-05 15:51:34,747 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,754 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 49 treesize of output 35 [2021-06-05 15:51:34,755 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 28 [2021-06-05 15:51:34,762 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,769 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 40 treesize of output 28 [2021-06-05 15:51:34,770 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:34,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-06-05 15:51:34,775 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:35,181 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2021-06-05 15:51:35,181 INFO L628 ElimStorePlain]: treesize reduction 800, result has 51.2 percent of original size [2021-06-05 15:51:35,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 15:51:35,188 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:35,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2021-06-05 15:51:35,194 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:35,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2021-06-05 15:51:35,201 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:35,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 28 [2021-06-05 15:51:35,208 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:35,213 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 57 treesize of output 37 [2021-06-05 15:51:35,214 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:35,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2021-06-05 15:51:35,221 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:35,226 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 55 treesize of output 37 [2021-06-05 15:51:35,227 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:35,233 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 57 treesize of output 37 [2021-06-05 15:51:35,234 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:35,240 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 43 treesize of output 29 [2021-06-05 15:51:35,241 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:35,246 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 38 treesize of output 24 [2021-06-05 15:51:35,247 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:35,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-05 15:51:35,254 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:35,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-05 15:51:35,261 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:35,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2021-06-05 15:51:35,267 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:35,273 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 44 treesize of output 28 [2021-06-05 15:51:35,274 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:35,279 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 55 treesize of output 37 [2021-06-05 15:51:35,280 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:35,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-05 15:51:35,284 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:35,349 INFO L628 ElimStorePlain]: treesize reduction 220, result has 29.7 percent of original size [2021-06-05 15:51:35,349 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 15:51:35,350 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 2 variables, input treesize:2209, output treesize:93 [2021-06-05 15:51:35,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 15:51:35,426 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:35,439 INFO L628 ElimStorePlain]: treesize reduction 108, result has 4.4 percent of original size [2021-06-05 15:51:35,439 INFO L518 ElimStorePlain]: Eliminatee v_prenex_298 vanished before elimination [2021-06-05 15:51:35,439 INFO L518 ElimStorePlain]: Eliminatee v_prenex_299 vanished before elimination [2021-06-05 15:51:35,440 INFO L518 ElimStorePlain]: Eliminatee v_prenex_300 vanished before elimination [2021-06-05 15:51:35,440 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:51:35,440 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-05 15:51:35,445 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:51:35,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219728545] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:51:35,445 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:51:35,445 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-06-05 15:51:35,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762496315] [2021-06-05 15:51:35,445 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 15:51:35,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:51:35,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 15:51:35,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:51:35,446 INFO L87 Difference]: Start difference. First operand 5552 states and 19714 transitions. Second operand has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:36,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:51:36,561 INFO L93 Difference]: Finished difference Result 9847 states and 33546 transitions. [2021-06-05 15:51:36,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-05 15:51:36,561 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:51:36,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:51:36,577 INFO L225 Difference]: With dead ends: 9847 [2021-06-05 15:51:36,577 INFO L226 Difference]: Without dead ends: 9453 [2021-06-05 15:51:36,578 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 1385.0ms TimeCoverageRelationStatistics Valid=225, Invalid=897, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 15:51:36,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9453 states. [2021-06-05 15:51:36,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9453 to 6014. [2021-06-05 15:51:36,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6014 states, 6013 states have (on average 3.551804423748545) internal successors, (21357), 6013 states have internal predecessors, (21357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:36,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6014 states to 6014 states and 21357 transitions. [2021-06-05 15:51:36,679 INFO L78 Accepts]: Start accepts. Automaton has 6014 states and 21357 transitions. Word has length 33 [2021-06-05 15:51:36,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:51:36,679 INFO L482 AbstractCegarLoop]: Abstraction has 6014 states and 21357 transitions. [2021-06-05 15:51:36,679 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:36,679 INFO L276 IsEmpty]: Start isEmpty. Operand 6014 states and 21357 transitions. [2021-06-05 15:51:36,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:51:36,687 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:51:36,687 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:51:36,887 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1788 [2021-06-05 15:51:36,888 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:51:36,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:51:36,888 INFO L82 PathProgramCache]: Analyzing trace with hash -384462942, now seen corresponding path program 25 times [2021-06-05 15:51:36,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:51:36,888 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299076416] [2021-06-05 15:51:36,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:51:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:51:37,443 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:51:37,443 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:51:37,443 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299076416] [2021-06-05 15:51:37,443 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299076416] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:51:37,443 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107863962] [2021-06-05 15:51:37,443 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:51:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:51:37,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 15:51:37,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:51:37,549 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 12 treesize of output 11 [2021-06-05 15:51:37,550 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:37,559 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:37,560 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:51:37,560 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 15:51:37,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:37,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:51:37,588 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:37,599 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:37,599 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:51:37,599 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-06-05 15:51:37,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:37,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 15:51:37,782 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:37,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:37,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-05 15:51:37,788 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:37,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:37,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2021-06-05 15:51:37,793 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:37,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:37,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-05 15:51:37,798 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:37,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:37,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-05 15:51:37,803 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:37,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:37,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2021-06-05 15:51:37,809 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:37,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:37,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2021-06-05 15:51:37,815 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:37,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:37,819 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 40 treesize of output 32 [2021-06-05 15:51:37,820 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:37,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:37,825 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 34 treesize of output 26 [2021-06-05 15:51:37,826 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:37,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:37,830 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 34 treesize of output 26 [2021-06-05 15:51:37,831 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:37,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:37,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-05 15:51:37,837 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:37,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:37,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 15:51:37,841 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:38,047 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2021-06-05 15:51:38,048 INFO L628 ElimStorePlain]: treesize reduction 226, result has 66.2 percent of original size [2021-06-05 15:51:38,050 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-06-05 15:51:38,050 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 1 variables, input treesize:909, output treesize:443 [2021-06-05 15:51:38,555 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 29 treesize of output 17 [2021-06-05 15:51:38,556 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:38,571 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 29 treesize of output 17 [2021-06-05 15:51:38,572 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:38,587 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 27 treesize of output 17 [2021-06-05 15:51:38,589 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:38,600 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 [2021-06-05 15:51:38,602 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:40,460 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2021-06-05 15:51:40,461 INFO L628 ElimStorePlain]: treesize reduction 52, result has 97.0 percent of original size [2021-06-05 15:51:40,481 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 27 treesize of output 17 [2021-06-05 15:51:40,482 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:40,497 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 29 treesize of output 17 [2021-06-05 15:51:40,498 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:40,512 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 29 treesize of output 17 [2021-06-05 15:51:40,513 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:40,524 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 27 treesize of output 17 [2021-06-05 15:51:40,525 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:41,305 WARN L205 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-06-05 15:51:41,305 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:41,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 15:51:41,319 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:41,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-05 15:51:41,330 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:42,273 WARN L205 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 166 [2021-06-05 15:51:42,273 INFO L628 ElimStorePlain]: treesize reduction 617, result has 59.7 percent of original size [2021-06-05 15:51:42,284 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 [2021-06-05 15:51:42,285 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:42,296 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 27 treesize of output 17 [2021-06-05 15:51:42,297 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:42,308 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 [2021-06-05 15:51:42,309 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:42,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:51:42,317 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:42,604 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2021-06-05 15:51:42,604 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:42,614 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 27 treesize of output 15 [2021-06-05 15:51:42,615 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:42,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-05 15:51:42,624 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:42,725 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 5 [2021-06-05 15:51:42,726 INFO L628 ElimStorePlain]: treesize reduction 729, result has 0.7 percent of original size [2021-06-05 15:51:42,726 INFO L518 ElimStorePlain]: Eliminatee v_prenex_313 vanished before elimination [2021-06-05 15:51:42,726 INFO L518 ElimStorePlain]: Eliminatee v_prenex_314 vanished before elimination [2021-06-05 15:51:42,726 INFO L518 ElimStorePlain]: Eliminatee v_prenex_303 vanished before elimination [2021-06-05 15:51:42,726 INFO L518 ElimStorePlain]: Eliminatee v_prenex_315 vanished before elimination [2021-06-05 15:51:42,726 INFO L518 ElimStorePlain]: Eliminatee v_prenex_304 vanished before elimination [2021-06-05 15:51:42,726 INFO L518 ElimStorePlain]: Eliminatee v_prenex_316 vanished before elimination [2021-06-05 15:51:42,726 INFO L518 ElimStorePlain]: Eliminatee v_prenex_305 vanished before elimination [2021-06-05 15:51:42,726 INFO L518 ElimStorePlain]: Eliminatee v_prenex_317 vanished before elimination [2021-06-05 15:51:42,726 INFO L518 ElimStorePlain]: Eliminatee v_prenex_306 vanished before elimination [2021-06-05 15:51:42,726 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 15:51:42,726 INFO L518 ElimStorePlain]: Eliminatee v_prenex_307 vanished before elimination [2021-06-05 15:51:42,726 INFO L518 ElimStorePlain]: Eliminatee v_prenex_318 vanished before elimination [2021-06-05 15:51:42,726 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 15:51:42,727 INFO L518 ElimStorePlain]: Eliminatee v_prenex_308 vanished before elimination [2021-06-05 15:51:42,727 INFO L518 ElimStorePlain]: Eliminatee v_prenex_309 vanished before elimination [2021-06-05 15:51:42,727 INFO L550 ElimStorePlain]: Start of recursive call 1: 20 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:51:42,727 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 20 variables, input treesize:1841, output treesize:5 [2021-06-05 15:51:42,735 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:51:42,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107863962] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:51:42,736 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:51:42,736 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-06-05 15:51:42,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685732132] [2021-06-05 15:51:42,736 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 15:51:42,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:51:42,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 15:51:42,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:51:42,737 INFO L87 Difference]: Start difference. First operand 6014 states and 21357 transitions. Second operand has 23 states, 23 states have (on average 2.5217391304347827) internal successors, (58), 22 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:43,968 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-06-05 15:51:44,276 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-06-05 15:51:44,595 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-06-05 15:51:44,764 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-06-05 15:51:44,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:51:44,811 INFO L93 Difference]: Finished difference Result 9989 states and 34751 transitions. [2021-06-05 15:51:44,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 15:51:44,811 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.5217391304347827) internal successors, (58), 22 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:51:44,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:51:44,828 INFO L225 Difference]: With dead ends: 9989 [2021-06-05 15:51:44,828 INFO L226 Difference]: Without dead ends: 9769 [2021-06-05 15:51:44,828 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 2358.2ms TimeCoverageRelationStatistics Valid=316, Invalid=1166, Unknown=0, NotChecked=0, Total=1482 [2021-06-05 15:51:44,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9769 states. [2021-06-05 15:51:44,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9769 to 6033. [2021-06-05 15:51:44,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6033 states, 6032 states have (on average 3.5512267904509285) internal successors, (21421), 6032 states have internal predecessors, (21421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:44,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6033 states to 6033 states and 21421 transitions. [2021-06-05 15:51:44,925 INFO L78 Accepts]: Start accepts. Automaton has 6033 states and 21421 transitions. Word has length 33 [2021-06-05 15:51:44,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:51:44,925 INFO L482 AbstractCegarLoop]: Abstraction has 6033 states and 21421 transitions. [2021-06-05 15:51:44,925 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.5217391304347827) internal successors, (58), 22 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:44,925 INFO L276 IsEmpty]: Start isEmpty. Operand 6033 states and 21421 transitions. [2021-06-05 15:51:44,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:51:44,933 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:51:44,933 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:51:45,133 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1883,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:51:45,134 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:51:45,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:51:45,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1642775078, now seen corresponding path program 26 times [2021-06-05 15:51:45,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:51:45,134 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799030758] [2021-06-05 15:51:45,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:51:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:51:45,634 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:51:45,634 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:51:45,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799030758] [2021-06-05 15:51:45,634 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799030758] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:51:45,635 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9398788] [2021-06-05 15:51:45,635 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:51:45,670 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:51:45,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:51:45,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 15:51:45,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:51:45,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:51:45,784 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:45,796 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:45,797 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:51:45,797 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 15:51:45,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:45,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:51:45,839 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:45,852 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:45,853 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:51:45,853 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-06-05 15:51:46,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,411 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 50 treesize of output 32 [2021-06-05 15:51:46,412 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 15:51:46,424 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 15:51:46,436 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,445 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 61 treesize of output 39 [2021-06-05 15:51:46,446 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-05 15:51:46,456 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,465 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 57 treesize of output 39 [2021-06-05 15:51:46,466 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,475 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 59 treesize of output 39 [2021-06-05 15:51:46,477 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-05 15:51:46,486 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 15:51:46,496 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 15:51:46,506 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 15:51:46,516 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,526 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 50 treesize of output 32 [2021-06-05 15:51:46,527 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,537 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 50 treesize of output 32 [2021-06-05 15:51:46,538 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,547 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 59 treesize of output 39 [2021-06-05 15:51:46,548 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 15:51:46,559 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 15:51:46,569 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,580 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 48 treesize of output 32 [2021-06-05 15:51:46,581 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-05 15:51:46,592 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,602 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 48 treesize of output 32 [2021-06-05 15:51:46,603 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,613 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 48 treesize of output 32 [2021-06-05 15:51:46,614 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,623 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 61 treesize of output 39 [2021-06-05 15:51:46,625 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-05 15:51:46,635 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,646 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 59 treesize of output 39 [2021-06-05 15:51:46,647 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 15:51:46,658 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 15:51:46,670 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-05 15:51:46,680 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,690 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 59 treesize of output 39 [2021-06-05 15:51:46,691 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2021-06-05 15:51:46,701 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2021-06-05 15:51:46,713 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-05 15:51:46,723 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2021-06-05 15:51:46,734 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:46,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:46,740 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 52 treesize of output 32 [2021-06-05 15:51:46,741 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:47,187 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 60 [2021-06-05 15:51:47,187 INFO L628 ElimStorePlain]: treesize reduction 952, result has 50.6 percent of original size [2021-06-05 15:51:47,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 15:51:47,196 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:47,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 37 [2021-06-05 15:51:47,204 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:47,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,212 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 [2021-06-05 15:51:47,213 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:47,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,221 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 51 treesize of output 31 [2021-06-05 15:51:47,222 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:47,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 41 [2021-06-05 15:51:47,231 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:47,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 30 [2021-06-05 15:51:47,240 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:47,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 26 [2021-06-05 15:51:47,249 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:47,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,257 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 26 [2021-06-05 15:51:47,258 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:47,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,265 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 51 treesize of output 31 [2021-06-05 15:51:47,267 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:47,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-06-05 15:51:47,276 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:47,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,284 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 53 treesize of output 31 [2021-06-05 15:51:47,285 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:47,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,293 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 67 treesize of output 41 [2021-06-05 15:51:47,295 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:47,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,303 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 65 treesize of output 39 [2021-06-05 15:51:47,304 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:47,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,312 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 50 treesize of output 30 [2021-06-05 15:51:47,313 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:47,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2021-06-05 15:51:47,321 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:47,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:47,325 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 49 treesize of output 31 [2021-06-05 15:51:47,326 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:47,451 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 24 [2021-06-05 15:51:47,451 INFO L628 ElimStorePlain]: treesize reduction 225, result has 25.7 percent of original size [2021-06-05 15:51:47,452 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-05 15:51:47,452 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 2 variables, input treesize:2625, output treesize:78 [2021-06-05 15:51:47,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 15:51:47,518 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:47,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 15:51:47,521 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:47,529 INFO L628 ElimStorePlain]: treesize reduction 61, result has 7.6 percent of original size [2021-06-05 15:51:47,529 INFO L518 ElimStorePlain]: Eliminatee v_prenex_319 vanished before elimination [2021-06-05 15:51:47,529 INFO L518 ElimStorePlain]: Eliminatee v_prenex_320 vanished before elimination [2021-06-05 15:51:47,529 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:51:47,529 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-06-05 15:51:47,534 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:51:47,534 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9398788] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:51:47,534 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:51:47,534 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-06-05 15:51:47,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564050039] [2021-06-05 15:51:47,535 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 15:51:47,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:51:47,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 15:51:47,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2021-06-05 15:51:47,535 INFO L87 Difference]: Start difference. First operand 6033 states and 21421 transitions. Second operand has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:48,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:51:48,260 INFO L93 Difference]: Finished difference Result 9697 states and 33703 transitions. [2021-06-05 15:51:48,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-05 15:51:48,261 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:51:48,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:51:48,278 INFO L225 Difference]: With dead ends: 9697 [2021-06-05 15:51:48,278 INFO L226 Difference]: Without dead ends: 9554 [2021-06-05 15:51:48,279 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 1005.4ms TimeCoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2021-06-05 15:51:48,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9554 states. [2021-06-05 15:51:48,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9554 to 6115. [2021-06-05 15:51:48,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6115 states, 6114 states have (on average 3.5490677134445536) internal successors, (21699), 6114 states have internal predecessors, (21699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:48,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6115 states to 6115 states and 21699 transitions. [2021-06-05 15:51:48,408 INFO L78 Accepts]: Start accepts. Automaton has 6115 states and 21699 transitions. Word has length 33 [2021-06-05 15:51:48,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:51:48,408 INFO L482 AbstractCegarLoop]: Abstraction has 6115 states and 21699 transitions. [2021-06-05 15:51:48,408 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:48,408 INFO L276 IsEmpty]: Start isEmpty. Operand 6115 states and 21699 transitions. [2021-06-05 15:51:48,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:51:48,418 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:51:48,418 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:51:48,632 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2008 [2021-06-05 15:51:48,633 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:51:48,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:51:48,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1609448026, now seen corresponding path program 27 times [2021-06-05 15:51:48,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:51:48,633 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125718099] [2021-06-05 15:51:48,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:51:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:51:49,458 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:51:49,458 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:51:49,458 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125718099] [2021-06-05 15:51:49,458 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125718099] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:51:49,458 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087030270] [2021-06-05 15:51:49,458 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:51:49,486 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-05 15:51:49,486 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:51:49,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-05 15:51:49,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:51:49,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:51:49,575 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:49,585 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:49,585 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:51:49,585 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 15:51:49,628 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 15:51:49,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:51:49,629 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:49,642 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:49,643 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:51:49,643 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:59, output treesize:58 [2021-06-05 15:51:50,268 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2021-06-05 15:51:50,574 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-05 15:51:50,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:50,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:51:50,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:51:50,749 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-05 15:51:50,750 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:50,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:50,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:51:50,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 15:51:50,758 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:51,267 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 121 [2021-06-05 15:51:51,268 INFO L628 ElimStorePlain]: treesize reduction 70, result has 92.4 percent of original size [2021-06-05 15:51:51,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:51,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-05 15:51:51,277 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:51,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:51:51,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:51,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 15:51:51,286 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:51,523 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-06-05 15:51:51,523 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:51,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:51,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-05 15:51:51,533 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:51,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:51:51,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:51,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 15:51:51,542 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:51,763 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-06-05 15:51:51,763 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:51,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:51,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-05 15:51:51,772 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:51,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:51:51,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:51,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 15:51:51,780 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:51,984 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-06-05 15:51:51,984 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:51,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:51,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-05 15:51:51,992 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:51,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:51:51,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:51,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 15:51:52,000 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:52,192 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-06-05 15:51:52,192 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:52,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:51:52,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:52,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:51:52,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 15:51:52,202 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:52,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:51:52,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-05 15:51:52,209 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:52,385 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-06-05 15:51:52,386 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:52,394 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: 6 dim-0 vars, and 12 xjuncts. [2021-06-05 15:51:52,395 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 12 variables, input treesize:955, output treesize:553 [2021-06-05 15:51:52,755 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 79 [2021-06-05 15:51:53,576 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_380, v_prenex_381, v_prenex_360, v_prenex_341, v_prenex_364, v_prenex_342, v_prenex_365, v_prenex_343, v_prenex_420, v_prenex_344, v_prenex_421, v_prenex_400, v_prenex_422, v_prenex_345, v_prenex_401, v_prenex_346, v_prenex_369, v_prenex_402, v_prenex_347, v_prenex_348, v_prenex_338, v_prenex_417, v_prenex_418, v_prenex_419, v_prenex_370, v_prenex_371, v_prenex_350, v_prenex_394, v_prenex_372, v_prenex_351, v_prenex_395, v_prenex_352, v_prenex_353, v_prenex_354, v_prenex_399, v_prenex_355, v_prenex_333, v_prenex_356, v_prenex_334, v_prenex_335, v_prenex_336, v_prenex_359, v_prenex_337, v_prenex_349, A, B, v_prenex_406, v_prenex_407], 3=[v_prenex_382, v_prenex_361, v_prenex_362, v_prenex_384, v_prenex_340, v_prenex_385, v_prenex_386, v_prenex_366, v_prenex_388, v_prenex_367, v_prenex_389, v_prenex_403, v_prenex_416, v_prenex_339, v_prenex_391, v_prenex_392, v_prenex_373, v_prenex_396, v_prenex_374, v_prenex_397, v_prenex_376, v_prenex_377, v_prenex_411, v_prenex_378, v_prenex_357, v_prenex_379, v_prenex_358, v_prenex_413, v_prenex_414, v_prenex_404, v_prenex_408, v_prenex_409]} [2021-06-05 15:51:53,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:51:53,619 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:54,721 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 760 [2021-06-05 15:51:54,722 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:51:54,750 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 25 treesize of output 15 [2021-06-05 15:51:54,752 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:51:54,873 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 5 [2021-06-05 15:51:54,873 INFO L628 ElimStorePlain]: treesize reduction 1851, result has 0.3 percent of original size [2021-06-05 15:51:54,873 INFO L518 ElimStorePlain]: Eliminatee v_prenex_360 vanished before elimination [2021-06-05 15:51:54,873 INFO L518 ElimStorePlain]: Eliminatee v_prenex_341 vanished before elimination [2021-06-05 15:51:54,873 INFO L518 ElimStorePlain]: Eliminatee v_prenex_364 vanished before elimination [2021-06-05 15:51:54,873 INFO L518 ElimStorePlain]: Eliminatee v_prenex_342 vanished before elimination [2021-06-05 15:51:54,873 INFO L518 ElimStorePlain]: Eliminatee v_prenex_365 vanished before elimination [2021-06-05 15:51:54,873 INFO L518 ElimStorePlain]: Eliminatee v_prenex_343 vanished before elimination [2021-06-05 15:51:54,873 INFO L518 ElimStorePlain]: Eliminatee v_prenex_420 vanished before elimination [2021-06-05 15:51:54,874 INFO L518 ElimStorePlain]: Eliminatee v_prenex_344 vanished before elimination [2021-06-05 15:51:54,874 INFO L518 ElimStorePlain]: Eliminatee v_prenex_421 vanished before elimination [2021-06-05 15:51:54,874 INFO L518 ElimStorePlain]: Eliminatee v_prenex_400 vanished before elimination [2021-06-05 15:51:54,874 INFO L518 ElimStorePlain]: Eliminatee v_prenex_422 vanished before elimination [2021-06-05 15:51:54,874 INFO L518 ElimStorePlain]: Eliminatee v_prenex_345 vanished before elimination [2021-06-05 15:51:54,874 INFO L518 ElimStorePlain]: Eliminatee v_prenex_401 vanished before elimination [2021-06-05 15:51:54,874 INFO L518 ElimStorePlain]: Eliminatee v_prenex_346 vanished before elimination [2021-06-05 15:51:54,874 INFO L518 ElimStorePlain]: Eliminatee v_prenex_369 vanished before elimination [2021-06-05 15:51:54,874 INFO L518 ElimStorePlain]: Eliminatee v_prenex_402 vanished before elimination [2021-06-05 15:51:54,874 INFO L518 ElimStorePlain]: Eliminatee v_prenex_347 vanished before elimination [2021-06-05 15:51:54,874 INFO L518 ElimStorePlain]: Eliminatee v_prenex_348 vanished before elimination [2021-06-05 15:51:54,874 INFO L518 ElimStorePlain]: Eliminatee v_prenex_338 vanished before elimination [2021-06-05 15:51:54,874 INFO L518 ElimStorePlain]: Eliminatee v_prenex_417 vanished before elimination [2021-06-05 15:51:54,874 INFO L518 ElimStorePlain]: Eliminatee v_prenex_418 vanished before elimination [2021-06-05 15:51:54,874 INFO L518 ElimStorePlain]: Eliminatee v_prenex_419 vanished before elimination [2021-06-05 15:51:54,874 INFO L518 ElimStorePlain]: Eliminatee v_prenex_370 vanished before elimination [2021-06-05 15:51:54,874 INFO L518 ElimStorePlain]: Eliminatee v_prenex_371 vanished before elimination [2021-06-05 15:51:54,874 INFO L518 ElimStorePlain]: Eliminatee v_prenex_350 vanished before elimination [2021-06-05 15:51:54,874 INFO L518 ElimStorePlain]: Eliminatee v_prenex_394 vanished before elimination [2021-06-05 15:51:54,875 INFO L518 ElimStorePlain]: Eliminatee v_prenex_372 vanished before elimination [2021-06-05 15:51:54,875 INFO L518 ElimStorePlain]: Eliminatee v_prenex_351 vanished before elimination [2021-06-05 15:51:54,875 INFO L518 ElimStorePlain]: Eliminatee v_prenex_395 vanished before elimination [2021-06-05 15:51:54,875 INFO L518 ElimStorePlain]: Eliminatee v_prenex_352 vanished before elimination [2021-06-05 15:51:54,875 INFO L518 ElimStorePlain]: Eliminatee v_prenex_353 vanished before elimination [2021-06-05 15:51:54,875 INFO L518 ElimStorePlain]: Eliminatee v_prenex_354 vanished before elimination [2021-06-05 15:51:54,875 INFO L518 ElimStorePlain]: Eliminatee v_prenex_399 vanished before elimination [2021-06-05 15:51:54,875 INFO L518 ElimStorePlain]: Eliminatee v_prenex_355 vanished before elimination [2021-06-05 15:51:54,875 INFO L518 ElimStorePlain]: Eliminatee v_prenex_333 vanished before elimination [2021-06-05 15:51:54,875 INFO L518 ElimStorePlain]: Eliminatee v_prenex_356 vanished before elimination [2021-06-05 15:51:54,875 INFO L518 ElimStorePlain]: Eliminatee v_prenex_334 vanished before elimination [2021-06-05 15:51:54,875 INFO L518 ElimStorePlain]: Eliminatee v_prenex_335 vanished before elimination [2021-06-05 15:51:54,875 INFO L518 ElimStorePlain]: Eliminatee v_prenex_336 vanished before elimination [2021-06-05 15:51:54,876 INFO L518 ElimStorePlain]: Eliminatee v_prenex_359 vanished before elimination [2021-06-05 15:51:54,876 INFO L518 ElimStorePlain]: Eliminatee v_prenex_337 vanished before elimination [2021-06-05 15:51:54,876 INFO L518 ElimStorePlain]: Eliminatee v_prenex_349 vanished before elimination [2021-06-05 15:51:54,876 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 15:51:54,876 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 15:51:54,876 INFO L518 ElimStorePlain]: Eliminatee v_prenex_406 vanished before elimination [2021-06-05 15:51:54,876 INFO L518 ElimStorePlain]: Eliminatee v_prenex_407 vanished before elimination [2021-06-05 15:51:54,876 INFO L518 ElimStorePlain]: Eliminatee v_prenex_382 vanished before elimination [2021-06-05 15:51:54,876 INFO L518 ElimStorePlain]: Eliminatee v_prenex_361 vanished before elimination [2021-06-05 15:51:54,876 INFO L518 ElimStorePlain]: Eliminatee v_prenex_362 vanished before elimination [2021-06-05 15:51:54,876 INFO L518 ElimStorePlain]: Eliminatee v_prenex_384 vanished before elimination [2021-06-05 15:51:54,876 INFO L518 ElimStorePlain]: Eliminatee v_prenex_340 vanished before elimination [2021-06-05 15:51:54,876 INFO L518 ElimStorePlain]: Eliminatee v_prenex_385 vanished before elimination [2021-06-05 15:51:54,876 INFO L518 ElimStorePlain]: Eliminatee v_prenex_386 vanished before elimination [2021-06-05 15:51:54,877 INFO L518 ElimStorePlain]: Eliminatee v_prenex_366 vanished before elimination [2021-06-05 15:51:54,877 INFO L518 ElimStorePlain]: Eliminatee v_prenex_388 vanished before elimination [2021-06-05 15:51:54,877 INFO L518 ElimStorePlain]: Eliminatee v_prenex_367 vanished before elimination [2021-06-05 15:51:54,877 INFO L518 ElimStorePlain]: Eliminatee v_prenex_389 vanished before elimination [2021-06-05 15:51:54,877 INFO L518 ElimStorePlain]: Eliminatee v_prenex_403 vanished before elimination [2021-06-05 15:51:54,877 INFO L518 ElimStorePlain]: Eliminatee v_prenex_416 vanished before elimination [2021-06-05 15:51:54,877 INFO L518 ElimStorePlain]: Eliminatee v_prenex_339 vanished before elimination [2021-06-05 15:51:54,877 INFO L518 ElimStorePlain]: Eliminatee v_prenex_391 vanished before elimination [2021-06-05 15:51:54,877 INFO L518 ElimStorePlain]: Eliminatee v_prenex_392 vanished before elimination [2021-06-05 15:51:54,877 INFO L518 ElimStorePlain]: Eliminatee v_prenex_373 vanished before elimination [2021-06-05 15:51:54,877 INFO L518 ElimStorePlain]: Eliminatee v_prenex_396 vanished before elimination [2021-06-05 15:51:54,877 INFO L518 ElimStorePlain]: Eliminatee v_prenex_374 vanished before elimination [2021-06-05 15:51:54,877 INFO L518 ElimStorePlain]: Eliminatee v_prenex_397 vanished before elimination [2021-06-05 15:51:54,877 INFO L518 ElimStorePlain]: Eliminatee v_prenex_376 vanished before elimination [2021-06-05 15:51:54,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_377 vanished before elimination [2021-06-05 15:51:54,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_411 vanished before elimination [2021-06-05 15:51:54,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_378 vanished before elimination [2021-06-05 15:51:54,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_357 vanished before elimination [2021-06-05 15:51:54,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_379 vanished before elimination [2021-06-05 15:51:54,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_358 vanished before elimination [2021-06-05 15:51:54,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_413 vanished before elimination [2021-06-05 15:51:54,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_414 vanished before elimination [2021-06-05 15:51:54,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_404 vanished before elimination [2021-06-05 15:51:54,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_408 vanished before elimination [2021-06-05 15:51:54,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_409 vanished before elimination [2021-06-05 15:51:54,879 INFO L550 ElimStorePlain]: Start of recursive call 1: 16 dim-0 vars, 80 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:51:54,880 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 96 variables, input treesize:1897, output treesize:5 [2021-06-05 15:51:54,889 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:51:54,889 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087030270] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:51:54,889 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:51:54,889 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 26 [2021-06-05 15:51:54,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31570198] [2021-06-05 15:51:54,889 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-05 15:51:54,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:51:54,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-05 15:51:54,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=584, Unknown=0, NotChecked=0, Total=702 [2021-06-05 15:51:54,890 INFO L87 Difference]: Start difference. First operand 6115 states and 21699 transitions. Second operand has 27 states, 27 states have (on average 2.1481481481481484) internal successors, (58), 26 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:55,307 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2021-06-05 15:51:56,481 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2021-06-05 15:51:56,821 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-06-05 15:51:57,043 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 73 [2021-06-05 15:51:57,690 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 113 [2021-06-05 15:51:58,450 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-06-05 15:51:58,770 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-06-05 15:51:58,959 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-06-05 15:51:59,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:51:59,414 INFO L93 Difference]: Finished difference Result 8716 states and 30168 transitions. [2021-06-05 15:51:59,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-05 15:51:59,414 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.1481481481481484) internal successors, (58), 26 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:51:59,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:51:59,429 INFO L225 Difference]: With dead ends: 8716 [2021-06-05 15:51:59,429 INFO L226 Difference]: Without dead ends: 8651 [2021-06-05 15:51:59,430 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1512 ImplicationChecksByTransitivity, 5318.3ms TimeCoverageRelationStatistics Valid=720, Invalid=3570, Unknown=0, NotChecked=0, Total=4290 [2021-06-05 15:51:59,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8651 states. [2021-06-05 15:51:59,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8651 to 6199. [2021-06-05 15:51:59,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6199 states, 6198 states have (on average 3.540658276863504) internal successors, (21945), 6198 states have internal predecessors, (21945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:59,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6199 states to 6199 states and 21945 transitions. [2021-06-05 15:51:59,533 INFO L78 Accepts]: Start accepts. Automaton has 6199 states and 21945 transitions. Word has length 33 [2021-06-05 15:51:59,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:51:59,534 INFO L482 AbstractCegarLoop]: Abstraction has 6199 states and 21945 transitions. [2021-06-05 15:51:59,534 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.1481481481481484) internal successors, (58), 26 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:51:59,534 INFO L276 IsEmpty]: Start isEmpty. Operand 6199 states and 21945 transitions. [2021-06-05 15:51:59,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:51:59,542 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:51:59,542 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:51:59,743 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2127 [2021-06-05 15:51:59,743 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:51:59,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:51:59,743 INFO L82 PathProgramCache]: Analyzing trace with hash -479215684, now seen corresponding path program 28 times [2021-06-05 15:51:59,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:51:59,744 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355008460] [2021-06-05 15:51:59,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:51:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:52:00,403 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:52:00,403 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:52:00,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355008460] [2021-06-05 15:52:00,403 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355008460] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:52:00,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570863533] [2021-06-05 15:52:00,403 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:52:00,431 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:52:00,431 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:52:00,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 15:52:00,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:52:00,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:52:00,523 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:00,533 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:52:00,534 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:52:00,534 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 15:52:00,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:00,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:52:00,568 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:00,578 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:52:00,579 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:52:00,579 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-06-05 15:52:00,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:00,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2021-06-05 15:52:00,741 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:00,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:00,746 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 34 treesize of output 26 [2021-06-05 15:52:00,747 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:00,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:00,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-05 15:52:00,753 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:00,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:00,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-05 15:52:00,758 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:00,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:00,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 15:52:00,764 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:00,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:00,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 15:52:00,769 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:00,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:00,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2021-06-05 15:52:00,775 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:00,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:00,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2021-06-05 15:52:00,781 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:00,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:00,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-05 15:52:00,786 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:00,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:00,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2021-06-05 15:52:00,792 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:00,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:00,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 15:52:00,798 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:00,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:00,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-05 15:52:00,802 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:01,010 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2021-06-05 15:52:01,010 INFO L628 ElimStorePlain]: treesize reduction 226, result has 66.2 percent of original size [2021-06-05 15:52:01,012 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-06-05 15:52:01,012 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 1 variables, input treesize:909, output treesize:443 [2021-06-05 15:52:01,516 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 27 treesize of output 17 [2021-06-05 15:52:01,518 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:01,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:52:01,534 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:01,549 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 29 treesize of output 17 [2021-06-05 15:52:01,550 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:01,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 15:52:01,563 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:02,514 WARN L205 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2021-06-05 15:52:02,514 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:52:02,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:52:02,528 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:02,542 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 27 treesize of output 17 [2021-06-05 15:52:02,543 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:02,556 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 27 treesize of output 17 [2021-06-05 15:52:02,557 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:02,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:52:02,569 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:03,393 WARN L205 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-06-05 15:52:03,393 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:52:03,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 15:52:03,410 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:03,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:52:03,425 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:03,441 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 29 treesize of output 17 [2021-06-05 15:52:03,442 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:03,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 15:52:03,456 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:04,951 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 217 DAG size of output: 214 [2021-06-05 15:52:04,951 INFO L628 ElimStorePlain]: treesize reduction 52, result has 96.5 percent of original size [2021-06-05 15:52:04,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 15:52:04,965 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:04,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-05 15:52:04,976 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:05,282 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 5 [2021-06-05 15:52:05,282 INFO L628 ElimStorePlain]: treesize reduction 1398, result has 0.4 percent of original size [2021-06-05 15:52:05,283 INFO L518 ElimStorePlain]: Eliminatee v_prenex_433 vanished before elimination [2021-06-05 15:52:05,283 INFO L518 ElimStorePlain]: Eliminatee v_prenex_423 vanished before elimination [2021-06-05 15:52:05,283 INFO L518 ElimStorePlain]: Eliminatee v_prenex_434 vanished before elimination [2021-06-05 15:52:05,283 INFO L518 ElimStorePlain]: Eliminatee v_prenex_435 vanished before elimination [2021-06-05 15:52:05,283 INFO L518 ElimStorePlain]: Eliminatee v_prenex_424 vanished before elimination [2021-06-05 15:52:05,283 INFO L518 ElimStorePlain]: Eliminatee v_prenex_436 vanished before elimination [2021-06-05 15:52:05,283 INFO L518 ElimStorePlain]: Eliminatee v_prenex_425 vanished before elimination [2021-06-05 15:52:05,283 INFO L518 ElimStorePlain]: Eliminatee v_prenex_437 vanished before elimination [2021-06-05 15:52:05,283 INFO L518 ElimStorePlain]: Eliminatee v_prenex_426 vanished before elimination [2021-06-05 15:52:05,283 INFO L518 ElimStorePlain]: Eliminatee v_prenex_438 vanished before elimination [2021-06-05 15:52:05,283 INFO L518 ElimStorePlain]: Eliminatee v_prenex_427 vanished before elimination [2021-06-05 15:52:05,283 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 15:52:05,283 INFO L518 ElimStorePlain]: Eliminatee v_prenex_439 vanished before elimination [2021-06-05 15:52:05,283 INFO L518 ElimStorePlain]: Eliminatee v_prenex_428 vanished before elimination [2021-06-05 15:52:05,283 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 15:52:05,283 INFO L518 ElimStorePlain]: Eliminatee v_prenex_429 vanished before elimination [2021-06-05 15:52:05,284 INFO L550 ElimStorePlain]: Start of recursive call 1: 20 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:52:05,284 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 20 variables, input treesize:1841, output treesize:5 [2021-06-05 15:52:05,292 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:52:05,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570863533] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:52:05,293 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:52:05,293 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11] total 24 [2021-06-05 15:52:05,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770226472] [2021-06-05 15:52:05,293 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-05 15:52:05,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:52:05,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-05 15:52:05,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=488, Unknown=0, NotChecked=0, Total=600 [2021-06-05 15:52:05,293 INFO L87 Difference]: Start difference. First operand 6199 states and 21945 transitions. Second operand has 25 states, 25 states have (on average 2.32) internal successors, (58), 24 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:52:05,428 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-06-05 15:52:06,176 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 64 [2021-06-05 15:52:06,657 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-06-05 15:52:06,948 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2021-06-05 15:52:07,220 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-06-05 15:52:07,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:52:07,350 INFO L93 Difference]: Finished difference Result 10386 states and 36292 transitions. [2021-06-05 15:52:07,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 15:52:07,351 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.32) internal successors, (58), 24 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:52:07,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:52:07,370 INFO L225 Difference]: With dead ends: 10386 [2021-06-05 15:52:07,370 INFO L226 Difference]: Without dead ends: 10179 [2021-06-05 15:52:07,370 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 464 ImplicationChecksByTransitivity, 2336.5ms TimeCoverageRelationStatistics Valid=344, Invalid=1378, Unknown=0, NotChecked=0, Total=1722 [2021-06-05 15:52:07,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10179 states. [2021-06-05 15:52:07,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10179 to 6457. [2021-06-05 15:52:07,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6457 states, 6456 states have (on average 3.542905824039653) internal successors, (22873), 6456 states have internal predecessors, (22873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:52:07,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6457 states to 6457 states and 22873 transitions. [2021-06-05 15:52:07,489 INFO L78 Accepts]: Start accepts. Automaton has 6457 states and 22873 transitions. Word has length 33 [2021-06-05 15:52:07,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:52:07,489 INFO L482 AbstractCegarLoop]: Abstraction has 6457 states and 22873 transitions. [2021-06-05 15:52:07,489 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.32) internal successors, (58), 24 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:52:07,489 INFO L276 IsEmpty]: Start isEmpty. Operand 6457 states and 22873 transitions. [2021-06-05 15:52:07,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:52:07,504 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:52:07,504 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:52:07,716 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2181 [2021-06-05 15:52:07,717 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:52:07,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:52:07,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1766130978, now seen corresponding path program 29 times [2021-06-05 15:52:07,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:52:07,718 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143595741] [2021-06-05 15:52:07,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:52:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:52:08,239 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:52:08,239 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:52:08,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143595741] [2021-06-05 15:52:08,239 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143595741] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:52:08,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813371795] [2021-06-05 15:52:08,239 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:52:08,269 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-05 15:52:08,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:52:08,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 15:52:08,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:52:08,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:52:08,404 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:08,418 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:52:08,419 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:52:08,419 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-06-05 15:52:08,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:08,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:52:08,464 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:08,477 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:52:08,478 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:52:08,478 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-06-05 15:52:08,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:08,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 15:52:08,594 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:08,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:08,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-05 15:52:08,600 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:08,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:08,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 32 [2021-06-05 15:52:08,604 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:08,641 INFO L628 ElimStorePlain]: treesize reduction 38, result has 66.1 percent of original size [2021-06-05 15:52:08,642 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-05 15:52:08,642 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:170, output treesize:74 [2021-06-05 15:52:09,652 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 27 treesize of output 17 [2021-06-05 15:52:09,653 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:09,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 15:52:09,667 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:09,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:52:09,679 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:09,691 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 29 treesize of output 17 [2021-06-05 15:52:09,692 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:09,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 15:52:09,705 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:09,716 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 29 treesize of output 17 [2021-06-05 15:52:09,717 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:09,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:52:09,730 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:09,738 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 27 treesize of output 17 [2021-06-05 15:52:09,739 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:10,556 WARN L205 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2021-06-05 15:52:10,556 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:52:10,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 15:52:10,569 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:10,580 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 27 treesize of output 17 [2021-06-05 15:52:10,581 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:10,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 15:52:10,594 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:10,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 15:52:10,607 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:10,618 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 [2021-06-05 15:52:10,628 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:10,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 15:52:10,642 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:10,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 15:52:10,655 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:10,664 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 27 treesize of output 17 [2021-06-05 15:52:10,666 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:12,053 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 167 DAG size of output: 162 [2021-06-05 15:52:12,054 INFO L628 ElimStorePlain]: treesize reduction 104, result has 94.0 percent of original size [2021-06-05 15:52:12,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:52:12,066 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:12,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:52:12,079 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:12,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:52:12,092 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:12,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:52:12,104 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:12,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:52:12,117 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:12,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:52:12,134 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:12,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:52:12,151 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:12,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:52:12,164 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:12,712 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2021-06-05 15:52:12,712 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:52:12,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-05 15:52:12,730 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:12,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 15:52:12,748 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:12,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-05 15:52:12,763 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:12,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 15:52:12,774 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:12,981 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 5 [2021-06-05 15:52:12,981 INFO L628 ElimStorePlain]: treesize reduction 1272, result has 0.4 percent of original size [2021-06-05 15:52:12,981 INFO L518 ElimStorePlain]: Eliminatee v_prenex_450 vanished before elimination [2021-06-05 15:52:12,981 INFO L518 ElimStorePlain]: Eliminatee v_prenex_441 vanished before elimination [2021-06-05 15:52:12,981 INFO L518 ElimStorePlain]: Eliminatee v_prenex_442 vanished before elimination [2021-06-05 15:52:12,981 INFO L518 ElimStorePlain]: Eliminatee v_prenex_443 vanished before elimination [2021-06-05 15:52:12,981 INFO L518 ElimStorePlain]: Eliminatee v_prenex_444 vanished before elimination [2021-06-05 15:52:12,981 INFO L518 ElimStorePlain]: Eliminatee v_prenex_445 vanished before elimination [2021-06-05 15:52:12,981 INFO L518 ElimStorePlain]: Eliminatee v_prenex_446 vanished before elimination [2021-06-05 15:52:12,981 INFO L518 ElimStorePlain]: Eliminatee v_prenex_447 vanished before elimination [2021-06-05 15:52:12,982 INFO L550 ElimStorePlain]: Start of recursive call 1: 12 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:52:12,982 INFO L247 ElimStorePlain]: Needed 29 recursive calls to eliminate 12 variables, input treesize:2209, output treesize:5 [2021-06-05 15:52:12,990 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:52:12,990 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813371795] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:52:12,990 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:52:12,990 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11] total 24 [2021-06-05 15:52:12,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055084842] [2021-06-05 15:52:12,991 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-05 15:52:12,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:52:12,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-05 15:52:12,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=494, Unknown=0, NotChecked=0, Total=600 [2021-06-05 15:52:12,991 INFO L87 Difference]: Start difference. First operand 6457 states and 22873 transitions. Second operand has 25 states, 25 states have (on average 2.32) internal successors, (58), 24 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:52:13,866 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2021-06-05 15:52:14,128 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2021-06-05 15:52:14,597 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2021-06-05 15:52:14,839 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2021-06-05 15:52:14,971 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2021-06-05 15:52:15,292 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2021-06-05 15:52:15,480 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2021-06-05 15:52:15,819 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-06-05 15:52:15,979 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-06-05 15:52:16,270 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2021-06-05 15:52:16,418 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-06-05 15:52:16,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:52:16,683 INFO L93 Difference]: Finished difference Result 10200 states and 35377 transitions. [2021-06-05 15:52:16,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-05 15:52:16,683 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.32) internal successors, (58), 24 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:52:16,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:52:16,700 INFO L225 Difference]: With dead ends: 10200 [2021-06-05 15:52:16,700 INFO L226 Difference]: Without dead ends: 9983 [2021-06-05 15:52:16,701 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 931 ImplicationChecksByTransitivity, 3779.3ms TimeCoverageRelationStatistics Valid=620, Invalid=2572, Unknown=0, NotChecked=0, Total=3192 [2021-06-05 15:52:16,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9983 states. [2021-06-05 15:52:16,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9983 to 6568. [2021-06-05 15:52:16,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6568 states, 6567 states have (on average 3.540886249428963) internal successors, (23253), 6567 states have internal predecessors, (23253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:52:16,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6568 states to 6568 states and 23253 transitions. [2021-06-05 15:52:16,859 INFO L78 Accepts]: Start accepts. Automaton has 6568 states and 23253 transitions. Word has length 33 [2021-06-05 15:52:16,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:52:16,859 INFO L482 AbstractCegarLoop]: Abstraction has 6568 states and 23253 transitions. [2021-06-05 15:52:16,859 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.32) internal successors, (58), 24 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:52:16,859 INFO L276 IsEmpty]: Start isEmpty. Operand 6568 states and 23253 transitions. [2021-06-05 15:52:16,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:52:16,869 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:52:16,869 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:52:17,070 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2306,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:52:17,077 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:52:17,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:52:17,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1785238692, now seen corresponding path program 30 times [2021-06-05 15:52:17,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:52:17,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387572082] [2021-06-05 15:52:17,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:52:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:52:17,533 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:52:17,534 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:52:17,534 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387572082] [2021-06-05 15:52:17,534 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387572082] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:52:17,534 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995049649] [2021-06-05 15:52:17,534 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:52:17,563 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-05 15:52:17,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:52:17,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-05 15:52:17,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:52:17,661 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 12 treesize of output 11 [2021-06-05 15:52:17,661 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:17,671 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:52:17,672 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:52:17,672 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 15:52:18,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 15:52:18,463 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 15:52:18,472 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 15:52:18,481 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 15:52:18,491 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 15:52:18,501 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,510 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 52 treesize of output 36 [2021-06-05 15:52:18,512 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,522 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 36 [2021-06-05 15:52:18,524 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 15:52:18,535 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,544 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 41 treesize of output 29 [2021-06-05 15:52:18,546 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,556 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 50 treesize of output 36 [2021-06-05 15:52:18,558 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 15:52:18,570 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,584 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 43 treesize of output 29 [2021-06-05 15:52:18,586 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,598 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 52 treesize of output 36 [2021-06-05 15:52:18,600 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,616 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 52 treesize of output 36 [2021-06-05 15:52:18,618 INFO L550 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 15:52:18,634 INFO L550 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 15:52:18,650 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 15:52:18,671 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,691 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 41 treesize of output 29 [2021-06-05 15:52:18,693 INFO L550 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 15:52:18,714 INFO L550 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 15:52:18,736 INFO L550 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 15:52:18,758 INFO L550 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 15:52:18,775 INFO L550 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 15:52:18,793 INFO L550 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 15:52:18,811 INFO L550 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 15:52:18,839 INFO L550 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 15:52:18,868 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 15:52:18,886 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,916 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 50 treesize of output 36 [2021-06-05 15:52:18,918 INFO L550 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 15:52:18,945 INFO L550 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:18,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 15:52:18,964 INFO L550 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:19,011 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 41 treesize of output 29 [2021-06-05 15:52:19,013 INFO L550 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:19,027 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 50 treesize of output 36 [2021-06-05 15:52:19,029 INFO L550 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,066 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 268 [2021-06-05 15:52:21,067 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:52:21,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-05 15:52:21,105 INFO L550 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,135 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 52 treesize of output 34 [2021-06-05 15:52:21,137 INFO L550 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,170 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 44 treesize of output 30 [2021-06-05 15:52:21,172 INFO L550 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-06-05 15:52:21,208 INFO L550 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-05 15:52:21,240 INFO L550 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 15:52:21,273 INFO L550 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,308 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 46 treesize of output 30 [2021-06-05 15:52:21,310 INFO L550 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 15:52:21,392 INFO L550 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 15:52:21,417 INFO L550 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 15:52:21,448 INFO L550 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-05 15:52:21,476 INFO L550 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 15:52:21,508 INFO L550 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,535 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 39 treesize of output 25 [2021-06-05 15:52:21,537 INFO L550 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-05 15:52:21,566 INFO L550 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,595 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 52 treesize of output 34 [2021-06-05 15:52:21,597 INFO L550 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 15:52:21,626 INFO L550 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-05 15:52:21,660 INFO L550 ElimStorePlain]: Start of recursive call 50: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,688 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 44 treesize of output 30 [2021-06-05 15:52:21,690 INFO L550 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,721 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 37 treesize of output 25 [2021-06-05 15:52:21,723 INFO L550 ElimStorePlain]: Start of recursive call 52: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-05 15:52:21,755 INFO L550 ElimStorePlain]: Start of recursive call 53: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,786 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 39 treesize of output 25 [2021-06-05 15:52:21,788 INFO L550 ElimStorePlain]: Start of recursive call 54: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,825 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 39 treesize of output 25 [2021-06-05 15:52:21,827 INFO L550 ElimStorePlain]: Start of recursive call 55: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 15:52:21,863 INFO L550 ElimStorePlain]: Start of recursive call 56: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,893 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 39 treesize of output 25 [2021-06-05 15:52:21,895 INFO L550 ElimStorePlain]: Start of recursive call 57: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-06-05 15:52:21,922 INFO L550 ElimStorePlain]: Start of recursive call 58: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,946 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 39 treesize of output 25 [2021-06-05 15:52:21,947 INFO L550 ElimStorePlain]: Start of recursive call 59: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:21,973 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 46 treesize of output 30 [2021-06-05 15:52:21,975 INFO L550 ElimStorePlain]: Start of recursive call 60: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:22,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-06-05 15:52:22,004 INFO L550 ElimStorePlain]: Start of recursive call 61: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:22,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 15:52:22,031 INFO L550 ElimStorePlain]: Start of recursive call 62: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:22,058 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 [2021-06-05 15:52:22,060 INFO L550 ElimStorePlain]: Start of recursive call 63: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:22,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-06-05 15:52:22,088 INFO L550 ElimStorePlain]: Start of recursive call 64: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:22,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 15:52:22,108 INFO L550 ElimStorePlain]: Start of recursive call 65: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 15:52:25,708 WARN L205 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 329 DAG size of output: 327 [2021-06-05 15:52:25,708 INFO L628 ElimStorePlain]: treesize reduction 15, result has 98.6 percent of original size [2021-06-05 15:52:25,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 15:52:25,736 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:25,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 15:52:25,760 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:25,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 15:52:25,784 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:25,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 15:52:25,809 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:25,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 15:52:25,835 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:25,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:52:25,859 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:25,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:52:25,887 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:25,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:52:25,919 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:25,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 15:52:25,948 INFO L550 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:25,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:52:25,974 INFO L550 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:26,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2021-06-05 15:52:26,002 INFO L550 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:26,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:52:26,031 INFO L550 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:26,061 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 18 treesize of output 20 [2021-06-05 15:52:26,062 INFO L550 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:26,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:52:26,092 INFO L550 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:26,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2021-06-05 15:52:26,123 INFO L550 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:26,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 15:52:26,150 INFO L550 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:26,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 15:52:26,183 INFO L550 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:26,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 15:52:26,209 INFO L550 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:26,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:52:26,235 INFO L550 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:26,262 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 21 treesize of output 21 [2021-06-05 15:52:26,264 INFO L550 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:26,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 15:52:26,290 INFO L550 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:26,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 15:52:26,317 INFO L550 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:26,347 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 16 treesize of output 18 [2021-06-05 15:52:26,348 INFO L550 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:26,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:52:26,379 INFO L550 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:26,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 15:52:26,409 INFO L550 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:26,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:52:26,437 INFO L550 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:26,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 15:52:26,463 INFO L550 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:26,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2021-06-05 15:52:26,490 INFO L550 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:26,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:52:26,518 INFO L550 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:26,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 15:52:26,546 INFO L550 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:26,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 15:52:26,573 INFO L550 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:26,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 15:52:26,600 INFO L550 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:27,097 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-06-05 15:52:27,098 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:52:27,112 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 18 xjuncts. [2021-06-05 15:52:27,112 INFO L247 ElimStorePlain]: Needed 97 recursive calls to eliminate 3 variables, input treesize:2337, output treesize:495 [2021-06-05 15:52:27,454 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-06-05 15:52:27,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 29 [2021-06-05 15:52:27,458 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:27,569 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 44 [2021-06-05 15:52:27,570 INFO L628 ElimStorePlain]: treesize reduction 123, result has 56.7 percent of original size [2021-06-05 15:52:27,570 INFO L518 ElimStorePlain]: Eliminatee v_prenex_451 vanished before elimination [2021-06-05 15:52:27,588 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-06-05 15:52:27,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 26 [2021-06-05 15:52:27,592 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:27,599 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-06-05 15:52:27,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 1 [2021-06-05 15:52:27,599 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:27,639 INFO L628 ElimStorePlain]: treesize reduction 78, result has 36.1 percent of original size [2021-06-05 15:52:27,639 INFO L518 ElimStorePlain]: Eliminatee v_prenex_453 vanished before elimination [2021-06-05 15:52:27,639 INFO L518 ElimStorePlain]: Eliminatee v_prenex_454 vanished before elimination [2021-06-05 15:52:27,640 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 5 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-05 15:52:27,641 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:301, output treesize:50 [2021-06-05 15:52:27,692 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:52:27,692 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995049649] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:52:27,692 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:52:27,692 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2021-06-05 15:52:27,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250102075] [2021-06-05 15:52:27,692 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 15:52:27,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:52:27,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 15:52:27,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=658, Unknown=0, NotChecked=0, Total=756 [2021-06-05 15:52:27,693 INFO L87 Difference]: Start difference. First operand 6568 states and 23253 transitions. Second operand has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:52:28,553 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2021-06-05 15:52:28,941 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2021-06-05 15:52:30,231 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2021-06-05 15:52:30,402 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 40 [2021-06-05 15:52:30,590 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2021-06-05 15:52:31,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:52:31,592 INFO L93 Difference]: Finished difference Result 10134 states and 34968 transitions. [2021-06-05 15:52:31,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-05 15:52:31,592 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:52:31,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:52:31,607 INFO L225 Difference]: With dead ends: 10134 [2021-06-05 15:52:31,607 INFO L226 Difference]: Without dead ends: 9937 [2021-06-05 15:52:31,608 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1083 ImplicationChecksByTransitivity, 3598.7ms TimeCoverageRelationStatistics Valid=427, Invalid=3479, Unknown=0, NotChecked=0, Total=3906 [2021-06-05 15:52:31,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9937 states. [2021-06-05 15:52:31,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9937 to 6611. [2021-06-05 15:52:31,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6611 states, 6610 states have (on average 3.5376701966717095) internal successors, (23384), 6610 states have internal predecessors, (23384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:52:31,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6611 states to 6611 states and 23384 transitions. [2021-06-05 15:52:31,709 INFO L78 Accepts]: Start accepts. Automaton has 6611 states and 23384 transitions. Word has length 33 [2021-06-05 15:52:31,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:52:31,709 INFO L482 AbstractCegarLoop]: Abstraction has 6611 states and 23384 transitions. [2021-06-05 15:52:31,709 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:52:31,709 INFO L276 IsEmpty]: Start isEmpty. Operand 6611 states and 23384 transitions. [2021-06-05 15:52:31,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:52:31,717 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:52:31,717 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:52:31,918 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2600 [2021-06-05 15:52:31,918 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:52:31,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:52:31,918 INFO L82 PathProgramCache]: Analyzing trace with hash 687141710, now seen corresponding path program 31 times [2021-06-05 15:52:31,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:52:31,918 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360774715] [2021-06-05 15:52:31,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:52:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:52:32,341 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:52:32,341 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:52:32,341 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360774715] [2021-06-05 15:52:32,342 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360774715] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:52:32,342 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209232316] [2021-06-05 15:52:32,342 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:52:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:52:32,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 15:52:32,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:52:32,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:52:32,505 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:32,514 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:52:32,515 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:52:32,515 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 15:52:33,206 INFO L446 ElimStorePlain]: Different costs {1=[v_C_56], 3=[A, B]} [2021-06-05 15:52:33,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:52:33,215 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:52:33,223 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:52:33,232 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:52:33,241 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:52:33,250 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,259 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 [2021-06-05 15:52:33,260 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:52:33,269 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,277 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 37 treesize of output 35 [2021-06-05 15:52:33,277 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:52:33,287 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:52:33,297 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:52:33,306 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:52:33,315 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:52:33,325 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:52:33,334 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:52:33,343 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:52:33,352 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:52:33,361 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:52:33,371 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:52:33,392 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,402 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 37 treesize of output 35 [2021-06-05 15:52:33,403 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:52:33,415 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,427 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 37 treesize of output 35 [2021-06-05 15:52:33,428 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:52:33,440 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:52:33,452 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:52:33,466 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:52:33,479 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:52:33,492 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,504 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 37 treesize of output 35 [2021-06-05 15:52:33,505 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:52:33,517 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:52:33,530 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:52:33,543 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:33,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:33,553 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 [2021-06-05 15:52:33,554 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:34,530 WARN L205 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2021-06-05 15:52:34,531 INFO L628 ElimStorePlain]: treesize reduction 668, result has 75.0 percent of original size [2021-06-05 15:52:34,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-05 15:52:34,541 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:34,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 41 [2021-06-05 15:52:34,549 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:34,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-05 15:52:34,558 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:34,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-05 15:52:34,567 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:34,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 15:52:34,576 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:34,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 15:52:34,586 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:34,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 15:52:34,595 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:34,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 15:52:34,604 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:34,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,614 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 50 treesize of output 32 [2021-06-05 15:52:34,615 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:34,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 41 [2021-06-05 15:52:34,625 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:34,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 15:52:34,635 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:34,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,644 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 57 treesize of output 39 [2021-06-05 15:52:34,645 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:34,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,655 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 65 treesize of output 41 [2021-06-05 15:52:34,656 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:34,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,664 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 32 [2021-06-05 15:52:34,665 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:34,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,674 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 59 treesize of output 39 [2021-06-05 15:52:34,675 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:34,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,684 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 63 treesize of output 41 [2021-06-05 15:52:34,685 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:34,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 15:52:34,694 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:34,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 15:52:34,703 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:34,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,711 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 57 treesize of output 39 [2021-06-05 15:52:34,712 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:34,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 41 [2021-06-05 15:52:34,720 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:34,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 15:52:34,729 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:34,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2021-06-05 15:52:34,738 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:34,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2021-06-05 15:52:34,746 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:34,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:34,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 15:52:34,752 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:35,165 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2021-06-05 15:52:35,165 INFO L628 ElimStorePlain]: treesize reduction 456, result has 68.2 percent of original size [2021-06-05 15:52:35,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 15:52:35,174 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:35,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 37 [2021-06-05 15:52:35,182 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:35,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-06-05 15:52:35,190 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:35,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,196 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 51 treesize of output 31 [2021-06-05 15:52:35,197 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:35,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 41 [2021-06-05 15:52:35,205 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:35,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,212 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 52 treesize of output 30 [2021-06-05 15:52:35,221 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:35,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 26 [2021-06-05 15:52:35,233 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:35,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2021-06-05 15:52:35,242 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:35,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2021-06-05 15:52:35,250 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:35,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-06-05 15:52:35,258 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:35,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,265 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 53 treesize of output 31 [2021-06-05 15:52:35,305 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:35,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,312 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 67 treesize of output 41 [2021-06-05 15:52:35,313 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:35,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 39 [2021-06-05 15:52:35,321 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:35,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,328 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 50 treesize of output 30 [2021-06-05 15:52:35,329 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:35,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,335 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 61 treesize of output 37 [2021-06-05 15:52:35,336 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:35,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:35,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 31 [2021-06-05 15:52:35,340 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:35,422 INFO L628 ElimStorePlain]: treesize reduction 225, result has 25.7 percent of original size [2021-06-05 15:52:35,423 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-05 15:52:35,423 INFO L247 ElimStorePlain]: Needed 73 recursive calls to eliminate 3 variables, input treesize:2657, output treesize:78 [2021-06-05 15:52:35,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 15:52:35,495 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:35,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 15:52:35,497 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:35,506 INFO L628 ElimStorePlain]: treesize reduction 61, result has 7.6 percent of original size [2021-06-05 15:52:35,507 INFO L518 ElimStorePlain]: Eliminatee v_prenex_455 vanished before elimination [2021-06-05 15:52:35,507 INFO L518 ElimStorePlain]: Eliminatee v_prenex_456 vanished before elimination [2021-06-05 15:52:35,507 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:52:35,507 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-06-05 15:52:35,512 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:52:35,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209232316] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:52:35,512 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:52:35,512 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-06-05 15:52:35,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344777328] [2021-06-05 15:52:35,512 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 15:52:35,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:52:35,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 15:52:35,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2021-06-05 15:52:35,513 INFO L87 Difference]: Start difference. First operand 6611 states and 23384 transitions. Second operand has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:52:36,920 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-06-05 15:52:37,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:52:37,842 INFO L93 Difference]: Finished difference Result 12758 states and 43830 transitions. [2021-06-05 15:52:37,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-05 15:52:37,842 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:52:37,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:52:37,863 INFO L225 Difference]: With dead ends: 12758 [2021-06-05 15:52:37,863 INFO L226 Difference]: Without dead ends: 12514 [2021-06-05 15:52:37,864 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 678 ImplicationChecksByTransitivity, 2066.9ms TimeCoverageRelationStatistics Valid=373, Invalid=2077, Unknown=0, NotChecked=0, Total=2450 [2021-06-05 15:52:37,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12514 states. [2021-06-05 15:52:37,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12514 to 7107. [2021-06-05 15:52:37,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7107 states, 7106 states have (on average 3.5546017450042218) internal successors, (25259), 7106 states have internal predecessors, (25259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:52:37,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7107 states to 7107 states and 25259 transitions. [2021-06-05 15:52:37,999 INFO L78 Accepts]: Start accepts. Automaton has 7107 states and 25259 transitions. Word has length 33 [2021-06-05 15:52:37,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:52:37,999 INFO L482 AbstractCegarLoop]: Abstraction has 7107 states and 25259 transitions. [2021-06-05 15:52:37,999 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:52:37,999 INFO L276 IsEmpty]: Start isEmpty. Operand 7107 states and 25259 transitions. [2021-06-05 15:52:38,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:52:38,008 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:52:38,009 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:52:38,210 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2747,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:52:38,210 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:52:38,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:52:38,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1191335548, now seen corresponding path program 32 times [2021-06-05 15:52:38,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:52:38,211 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941002619] [2021-06-05 15:52:38,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:52:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:52:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:52:38,686 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:52:38,686 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941002619] [2021-06-05 15:52:38,686 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941002619] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:52:38,686 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142918601] [2021-06-05 15:52:38,686 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:52:38,714 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:52:38,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:52:38,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 15:52:38,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:52:38,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:52:38,800 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:38,810 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:52:38,810 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:52:38,810 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 15:52:38,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:38,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:52:38,994 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:38,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:39,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:52:39,001 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:39,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:39,007 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 [2021-06-05 15:52:39,008 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:39,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:52:39,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:39,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:52:39,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:52:39,016 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:39,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:52:39,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:39,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:52:39,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:52:39,023 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:39,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:52:39,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:39,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:52:39,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:52:39,030 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:39,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:39,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:52:39,037 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:39,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:52:39,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:39,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 15:52:39,043 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:39,242 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2021-06-05 15:52:39,243 INFO L628 ElimStorePlain]: treesize reduction 152, result has 74.3 percent of original size [2021-06-05 15:52:39,244 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-05 15:52:39,244 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 1 variables, input treesize:593, output treesize:439 [2021-06-05 15:52:39,627 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 51 treesize of output 35 [2021-06-05 15:52:39,628 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:39,639 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 49 treesize of output 35 [2021-06-05 15:52:39,640 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:39,652 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 49 treesize of output 35 [2021-06-05 15:52:39,653 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:39,661 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 51 treesize of output 35 [2021-06-05 15:52:39,662 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:40,293 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2021-06-05 15:52:40,294 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:52:40,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 15:52:40,307 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:40,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 15:52:40,319 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:40,331 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 51 treesize of output 35 [2021-06-05 15:52:40,332 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:40,341 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 51 treesize of output 35 [2021-06-05 15:52:40,342 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:40,943 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2021-06-05 15:52:40,943 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:52:40,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 15:52:40,955 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:40,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2021-06-05 15:52:40,967 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:40,977 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 37 [2021-06-05 15:52:40,978 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:40,985 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 45 treesize of output 29 [2021-06-05 15:52:40,986 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:42,043 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-06-05 15:52:42,043 INFO L628 ElimStorePlain]: treesize reduction 54, result has 96.3 percent of original size [2021-06-05 15:52:42,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-05 15:52:42,055 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:42,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2021-06-05 15:52:42,066 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:42,075 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 55 treesize of output 37 [2021-06-05 15:52:42,076 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:42,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2021-06-05 15:52:42,084 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:42,406 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 50 [2021-06-05 15:52:42,407 INFO L628 ElimStorePlain]: treesize reduction 939, result has 26.1 percent of original size [2021-06-05 15:52:42,412 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 44 treesize of output 30 [2021-06-05 15:52:42,413 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:42,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2021-06-05 15:52:42,420 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:42,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2021-06-05 15:52:42,426 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:42,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-06-05 15:52:42,470 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:42,532 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:52:42,537 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 46 treesize of output 30 [2021-06-05 15:52:42,538 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:42,542 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 30 [2021-06-05 15:52:42,543 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:42,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 26 [2021-06-05 15:52:42,549 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:42,551 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 38 treesize of output 26 [2021-06-05 15:52:42,552 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:42,603 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-06-05 15:52:42,603 INFO L518 ElimStorePlain]: Eliminatee v_prenex_463 vanished before elimination [2021-06-05 15:52:42,603 INFO L518 ElimStorePlain]: Eliminatee v_prenex_464 vanished before elimination [2021-06-05 15:52:42,603 INFO L518 ElimStorePlain]: Eliminatee v_prenex_465 vanished before elimination [2021-06-05 15:52:42,603 INFO L518 ElimStorePlain]: Eliminatee v_prenex_466 vanished before elimination [2021-06-05 15:52:42,604 INFO L518 ElimStorePlain]: Eliminatee v_prenex_457 vanished before elimination [2021-06-05 15:52:42,604 INFO L518 ElimStorePlain]: Eliminatee v_prenex_458 vanished before elimination [2021-06-05 15:52:42,604 INFO L550 ElimStorePlain]: Start of recursive call 1: 12 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 15:52:42,604 INFO L247 ElimStorePlain]: Needed 25 recursive calls to eliminate 12 variables, input treesize:1705, output treesize:101 [2021-06-05 15:52:42,686 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 20 treesize of output 12 [2021-06-05 15:52:42,687 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:42,700 INFO L628 ElimStorePlain]: treesize reduction 108, result has 4.4 percent of original size [2021-06-05 15:52:42,700 INFO L518 ElimStorePlain]: Eliminatee v_prenex_467 vanished before elimination [2021-06-05 15:52:42,700 INFO L518 ElimStorePlain]: Eliminatee v_prenex_468 vanished before elimination [2021-06-05 15:52:42,700 INFO L518 ElimStorePlain]: Eliminatee v_prenex_469 vanished before elimination [2021-06-05 15:52:42,701 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:52:42,701 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-05 15:52:42,705 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:52:42,705 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142918601] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:52:42,705 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:52:42,705 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-06-05 15:52:42,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898431686] [2021-06-05 15:52:42,706 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 15:52:42,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:52:42,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 15:52:42,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=463, Unknown=0, NotChecked=0, Total=552 [2021-06-05 15:52:42,707 INFO L87 Difference]: Start difference. First operand 7107 states and 25259 transitions. Second operand has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:52:44,152 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-06-05 15:52:45,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:52:45,147 INFO L93 Difference]: Finished difference Result 12090 states and 41800 transitions. [2021-06-05 15:52:45,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-05 15:52:45,147 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:52:45,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:52:45,167 INFO L225 Difference]: With dead ends: 12090 [2021-06-05 15:52:45,167 INFO L226 Difference]: Without dead ends: 11846 [2021-06-05 15:52:45,168 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 747 ImplicationChecksByTransitivity, 2366.9ms TimeCoverageRelationStatistics Valid=385, Invalid=2165, Unknown=0, NotChecked=0, Total=2550 [2021-06-05 15:52:45,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11846 states. [2021-06-05 15:52:45,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11846 to 7353. [2021-06-05 15:52:45,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7353 states, 7352 states have (on average 3.548558215451578) internal successors, (26089), 7352 states have internal predecessors, (26089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:52:45,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7353 states to 7353 states and 26089 transitions. [2021-06-05 15:52:45,285 INFO L78 Accepts]: Start accepts. Automaton has 7353 states and 26089 transitions. Word has length 33 [2021-06-05 15:52:45,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:52:45,285 INFO L482 AbstractCegarLoop]: Abstraction has 7353 states and 26089 transitions. [2021-06-05 15:52:45,285 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:52:45,285 INFO L276 IsEmpty]: Start isEmpty. Operand 7353 states and 26089 transitions. [2021-06-05 15:52:45,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:52:45,295 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:52:45,296 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:52:45,496 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2865 [2021-06-05 15:52:45,496 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:52:45,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:52:45,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1594024776, now seen corresponding path program 33 times [2021-06-05 15:52:45,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:52:45,497 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788502676] [2021-06-05 15:52:45,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:52:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:52:46,041 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:52:46,042 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:52:46,042 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788502676] [2021-06-05 15:52:46,042 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788502676] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:52:46,042 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642956451] [2021-06-05 15:52:46,042 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:52:46,071 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-05 15:52:46,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:52:46,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 15:52:46,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:52:46,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:52:46,155 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:46,162 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:52:46,163 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:52:46,163 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:37 [2021-06-05 15:52:46,375 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 15:52:46,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:52:46,376 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:46,391 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 15:52:46,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 29 [2021-06-05 15:52:46,392 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:46,406 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 15:52:46,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:52:46,407 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:46,422 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 15:52:46,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 29 [2021-06-05 15:52:46,423 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:46,454 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 15:52:46,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:52:46,455 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:46,474 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 15:52:46,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 29 [2021-06-05 15:52:46,476 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:46,496 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 15:52:46,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 15:52:46,497 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:46,509 INFO L354 Elim1Store]: treesize reduction 25, result has 3.8 percent of original size [2021-06-05 15:52:46,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 1 [2021-06-05 15:52:46,510 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:46,724 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-06-05 15:52:46,724 INFO L628 ElimStorePlain]: treesize reduction 67, result has 85.2 percent of original size [2021-06-05 15:52:46,727 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-06-05 15:52:46,727 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:513, output treesize:387 [2021-06-05 15:52:46,907 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-06-05 15:52:47,153 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-06-05 15:52:48,914 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 105 [2021-06-05 15:52:49,325 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-06-05 15:52:49,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 44 [2021-06-05 15:52:49,329 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-05 15:52:49,373 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-06-05 15:52:49,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 38 [2021-06-05 15:52:49,377 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-05 15:52:50,040 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 133 [2021-06-05 15:52:50,041 INFO L628 ElimStorePlain]: treesize reduction 113, result has 88.3 percent of original size [2021-06-05 15:52:50,054 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-06-05 15:52:50,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-06-05 15:52:50,055 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:50,082 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-06-05 15:52:50,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 34 [2021-06-05 15:52:50,084 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:50,405 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-06-05 15:52:50,406 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:52:50,438 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-06-05 15:52:50,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 38 [2021-06-05 15:52:50,441 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-06-05 15:52:50,453 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-06-05 15:52:50,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-06-05 15:52:50,454 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:50,773 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2021-06-05 15:52:50,774 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:52:50,805 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-06-05 15:52:50,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 38 [2021-06-05 15:52:50,808 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-06-05 15:52:50,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:52:50,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-06-05 15:52:50,818 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:51,475 WARN L205 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 130 [2021-06-05 15:52:51,475 INFO L628 ElimStorePlain]: treesize reduction 32, result has 96.1 percent of original size [2021-06-05 15:52:51,506 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-06-05 15:52:51,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 38 [2021-06-05 15:52:51,509 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2021-06-05 15:52:51,519 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-06-05 15:52:51,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 22 [2021-06-05 15:52:51,520 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:52,096 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2021-06-05 15:52:52,097 INFO L628 ElimStorePlain]: treesize reduction 32, result has 96.0 percent of original size [2021-06-05 15:52:52,128 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-06-05 15:52:52,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 38 [2021-06-05 15:52:52,131 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2021-06-05 15:52:52,141 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-06-05 15:52:52,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-06-05 15:52:52,142 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:52:52,424 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-06-05 15:52:52,425 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:52:52,501 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 6 dim-1 vars, End of recursive call: 6 dim-0 vars, and 12 xjuncts. [2021-06-05 15:52:52,502 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 13 variables, input treesize:911, output treesize:938 [2021-06-05 15:52:52,975 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 119 [2021-06-05 15:53:00,956 INFO L446 ElimStorePlain]: Different costs {2=[v_prenex_482, v_prenex_493, v_prenex_483, v_prenex_494, v_prenex_495, v_prenex_496, v_prenex_486, v_prenex_497, v_prenex_487, v_prenex_498, v_prenex_488, v_prenex_510, v_prenex_511, v_prenex_501, v_prenex_512, v_prenex_502, v_prenex_508, v_prenex_509], 5=[A, B, v_prenex_490, v_prenex_480, v_prenex_491, v_prenex_481, v_prenex_492, v_prenex_484, v_prenex_485, v_prenex_499, v_prenex_489, v_prenex_500], 20=[v_prenex_507]} [2021-06-05 15:53:01,029 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-06-05 15:53:01,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 29 [2021-06-05 15:53:01,033 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:01,086 INFO L354 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2021-06-05 15:53:01,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-06-05 15:53:01,088 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:11,803 WARN L205 SmtUtils]: Spent 10.71 s on a formula simplification. DAG size of input: 487 DAG size of output: 464 [2021-06-05 15:53:11,804 INFO L628 ElimStorePlain]: treesize reduction 1260, result has 80.1 percent of original size [2021-06-05 15:53:11,861 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:11,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 33 [2021-06-05 15:53:11,865 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:11,915 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:11,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 33 [2021-06-05 15:53:11,920 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:15,292 WARN L205 SmtUtils]: Spent 3.37 s on a formula simplification that was a NOOP. DAG size: 457 [2021-06-05 15:53:15,292 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:15,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:53:15,337 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:15,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 25 [2021-06-05 15:53:15,340 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:15,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:53:15,375 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-06-05 15:53:15,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:53:15,377 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:21,816 WARN L205 SmtUtils]: Spent 6.44 s on a formula simplification. DAG size of input: 447 DAG size of output: 441 [2021-06-05 15:53:21,817 INFO L628 ElimStorePlain]: treesize reduction 266, result has 94.6 percent of original size [2021-06-05 15:53:21,871 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:21,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 31 [2021-06-05 15:53:21,878 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:21,913 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-06-05 15:53:21,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 15 [2021-06-05 15:53:21,915 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:27,025 WARN L205 SmtUtils]: Spent 5.11 s on a formula simplification. DAG size of input: 432 DAG size of output: 379 [2021-06-05 15:53:27,026 INFO L628 ElimStorePlain]: treesize reduction 773, result has 83.4 percent of original size [2021-06-05 15:53:27,083 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-06-05 15:53:27,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 29 [2021-06-05 15:53:27,087 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:27,130 INFO L354 Elim1Store]: treesize reduction 9, result has 47.1 percent of original size [2021-06-05 15:53:27,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 25 [2021-06-05 15:53:27,134 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:29,483 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 374 [2021-06-05 15:53:29,483 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:29,523 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:29,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-06-05 15:53:29,526 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:29,559 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-06-05 15:53:29,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 1 [2021-06-05 15:53:29,560 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:33,142 WARN L205 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 363 DAG size of output: 296 [2021-06-05 15:53:33,142 INFO L628 ElimStorePlain]: treesize reduction 755, result has 80.1 percent of original size [2021-06-05 15:53:33,142 INFO L518 ElimStorePlain]: Eliminatee v_prenex_486 vanished before elimination [2021-06-05 15:53:33,143 INFO L518 ElimStorePlain]: Eliminatee v_prenex_497 vanished before elimination [2021-06-05 15:53:33,165 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-06-05 15:53:33,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:53:33,166 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:36,341 WARN L205 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 289 DAG size of output: 284 [2021-06-05 15:53:36,342 INFO L628 ElimStorePlain]: treesize reduction 115, result has 96.2 percent of original size [2021-06-05 15:53:36,342 INFO L518 ElimStorePlain]: Eliminatee v_prenex_498 vanished before elimination [2021-06-05 15:53:36,342 INFO L518 ElimStorePlain]: Eliminatee v_prenex_488 vanished before elimination [2021-06-05 15:53:36,342 INFO L518 ElimStorePlain]: Eliminatee v_prenex_510 vanished before elimination [2021-06-05 15:53:36,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 15:53:36,356 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:37,875 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 279 [2021-06-05 15:53:37,875 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:37,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 15:53:37,890 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:39,415 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 274 [2021-06-05 15:53:39,416 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:39,437 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-06-05 15:53:39,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 15:53:39,438 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:42,278 WARN L205 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 265 DAG size of output: 249 [2021-06-05 15:53:42,279 INFO L628 ElimStorePlain]: treesize reduction 113, result has 96.0 percent of original size [2021-06-05 15:53:42,279 INFO L518 ElimStorePlain]: Eliminatee v_prenex_502 vanished before elimination [2021-06-05 15:53:42,279 INFO L518 ElimStorePlain]: Eliminatee v_prenex_508 vanished before elimination [2021-06-05 15:53:42,279 INFO L518 ElimStorePlain]: Eliminatee v_prenex_509 vanished before elimination [2021-06-05 15:53:42,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:53:42,306 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:42,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:53:42,309 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:42,340 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:42,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2021-06-05 15:53:42,345 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:42,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:53:42,402 INFO L354 Elim1Store]: treesize reduction 12, result has 63.6 percent of original size [2021-06-05 15:53:42,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 25 treesize of output 37 [2021-06-05 15:53:42,406 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:42,471 INFO L354 Elim1Store]: treesize reduction 12, result has 70.7 percent of original size [2021-06-05 15:53:42,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 25 treesize of output 45 [2021-06-05 15:53:42,476 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:42,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:53:42,506 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:42,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 15:53:42,509 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:42,539 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:42,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2021-06-05 15:53:42,543 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:43,895 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 244 [2021-06-05 15:53:43,895 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:43,936 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-06-05 15:53:43,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2021-06-05 15:53:43,939 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:43,981 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-06-05 15:53:43,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2021-06-05 15:53:43,984 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:43,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:53:43,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:53:44,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:53:44,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2021-06-05 15:53:44,004 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:44,040 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:44,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2021-06-05 15:53:44,045 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:44,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:53:44,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:53:44,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:53:44,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2021-06-05 15:53:44,066 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:44,077 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 15:53:44,077 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:45,270 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 235 DAG size of output: 203 [2021-06-05 15:53:45,271 INFO L628 ElimStorePlain]: treesize reduction 1510, result has 40.3 percent of original size [2021-06-05 15:53:45,334 INFO L354 Elim1Store]: treesize reduction 12, result has 70.7 percent of original size [2021-06-05 15:53:45,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 27 treesize of output 45 [2021-06-05 15:53:45,340 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:45,363 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-06-05 15:53:45,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 29 treesize of output 1 [2021-06-05 15:53:45,364 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:45,768 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2021-06-05 15:53:45,768 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:45,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:53:45,820 INFO L354 Elim1Store]: treesize reduction 12, result has 63.6 percent of original size [2021-06-05 15:53:45,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 25 treesize of output 37 [2021-06-05 15:53:45,824 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:45,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:53:45,846 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-06-05 15:53:45,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 29 treesize of output 1 [2021-06-05 15:53:45,847 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:46,209 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-06-05 15:53:46,209 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:46,280 INFO L354 Elim1Store]: treesize reduction 12, result has 70.7 percent of original size [2021-06-05 15:53:46,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 25 treesize of output 45 [2021-06-05 15:53:46,286 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:46,340 INFO L354 Elim1Store]: treesize reduction 20, result has 51.2 percent of original size [2021-06-05 15:53:46,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 25 treesize of output 37 [2021-06-05 15:53:46,344 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:46,785 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2021-06-05 15:53:46,785 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:46,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:53:46,835 INFO L354 Elim1Store]: treesize reduction 12, result has 63.6 percent of original size [2021-06-05 15:53:46,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 37 [2021-06-05 15:53:46,839 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:46,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:53:46,858 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-06-05 15:53:46,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 29 treesize of output 1 [2021-06-05 15:53:46,858 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:47,170 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2021-06-05 15:53:47,171 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:47,196 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:47,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 18 treesize of output 26 [2021-06-05 15:53:47,202 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:47,208 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 15:53:47,209 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:47,476 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-05 15:53:47,476 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:47,526 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-06-05 15:53:47,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 29 treesize of output 41 [2021-06-05 15:53:47,530 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:47,569 INFO L354 Elim1Store]: treesize reduction 25, result has 39.0 percent of original size [2021-06-05 15:53:47,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 25 treesize of output 32 [2021-06-05 15:53:47,570 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:48,055 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 154 [2021-06-05 15:53:48,055 INFO L628 ElimStorePlain]: treesize reduction 57, result has 91.3 percent of original size [2021-06-05 15:53:48,112 INFO L354 Elim1Store]: treesize reduction 12, result has 70.7 percent of original size [2021-06-05 15:53:48,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 27 treesize of output 45 [2021-06-05 15:53:48,120 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:48,138 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-06-05 15:53:48,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 29 treesize of output 1 [2021-06-05 15:53:48,139 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:48,334 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-05 15:53:48,334 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:48,388 INFO L354 Elim1Store]: treesize reduction 12, result has 70.7 percent of original size [2021-06-05 15:53:48,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 27 treesize of output 45 [2021-06-05 15:53:48,394 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:48,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:53:48,434 INFO L354 Elim1Store]: treesize reduction 12, result has 63.6 percent of original size [2021-06-05 15:53:48,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 37 [2021-06-05 15:53:48,438 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:48,633 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-06-05 15:53:48,634 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:48,652 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:48,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 18 treesize of output 26 [2021-06-05 15:53:48,660 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:48,844 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-06-05 15:53:48,844 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:48,866 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:48,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2021-06-05 15:53:48,870 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:48,875 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 15:53:48,875 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:49,025 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-06-05 15:53:49,025 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:49,073 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-06-05 15:53:49,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2021-06-05 15:53:49,077 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:49,105 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:49,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 26 [2021-06-05 15:53:49,112 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:49,147 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-06-05 15:53:49,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2021-06-05 15:53:49,151 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:49,177 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:49,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 26 [2021-06-05 15:53:49,185 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:49,342 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-06-05 15:53:49,343 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:49,367 INFO L550 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 31 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-06-05 15:53:49,367 INFO L247 ElimStorePlain]: Needed 52 recursive calls to eliminate 40 variables, input treesize:6369, output treesize:203 [2021-06-05 15:53:49,498 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:53:49,498 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642956451] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:53:49,498 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:53:49,498 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 29 [2021-06-05 15:53:49,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982095623] [2021-06-05 15:53:49,501 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 15:53:49,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:53:49,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 15:53:49,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2021-06-05 15:53:49,502 INFO L87 Difference]: Start difference. First operand 7353 states and 26089 transitions. Second operand has 30 states, 30 states have (on average 2.066666666666667) internal successors, (62), 29 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:53:50,412 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 52 [2021-06-05 15:53:50,803 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 64 [2021-06-05 15:53:51,370 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 75 [2021-06-05 15:53:51,989 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 41 [2021-06-05 15:53:52,375 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 53 [2021-06-05 15:53:52,507 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-06-05 15:53:52,921 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 110 [2021-06-05 15:53:53,182 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 53 [2021-06-05 15:53:53,852 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 85 [2021-06-05 15:53:54,362 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 73 [2021-06-05 15:53:54,790 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 96 [2021-06-05 15:53:55,456 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 131 [2021-06-05 15:53:57,531 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 50 [2021-06-05 15:53:57,896 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 108 [2021-06-05 15:53:58,165 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-05 15:53:58,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:53:58,361 INFO L93 Difference]: Finished difference Result 11941 states and 40890 transitions. [2021-06-05 15:53:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-05 15:53:58,362 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.066666666666667) internal successors, (62), 29 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:53:58,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:53:58,382 INFO L225 Difference]: With dead ends: 11941 [2021-06-05 15:53:58,382 INFO L226 Difference]: Without dead ends: 11876 [2021-06-05 15:53:58,383 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1602 ImplicationChecksByTransitivity, 8874.0ms TimeCoverageRelationStatistics Valid=772, Invalid=4339, Unknown=1, NotChecked=0, Total=5112 [2021-06-05 15:53:58,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11876 states. [2021-06-05 15:53:58,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11876 to 7412. [2021-06-05 15:53:58,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7412 states, 7411 states have (on average 3.5448657401160437) internal successors, (26271), 7411 states have internal predecessors, (26271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:53:58,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7412 states to 7412 states and 26271 transitions. [2021-06-05 15:53:58,521 INFO L78 Accepts]: Start accepts. Automaton has 7412 states and 26271 transitions. Word has length 33 [2021-06-05 15:53:58,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:53:58,521 INFO L482 AbstractCegarLoop]: Abstraction has 7412 states and 26271 transitions. [2021-06-05 15:53:58,521 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.066666666666667) internal successors, (62), 29 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:53:58,521 INFO L276 IsEmpty]: Start isEmpty. Operand 7412 states and 26271 transitions. [2021-06-05 15:53:58,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:53:58,532 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:53:58,532 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:53:58,733 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2948 [2021-06-05 15:53:58,733 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:53:58,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:53:58,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1322096704, now seen corresponding path program 34 times [2021-06-05 15:53:58,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:53:58,734 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367590236] [2021-06-05 15:53:58,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:53:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:53:59,238 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:53:59,238 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:53:59,238 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367590236] [2021-06-05 15:53:59,238 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367590236] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:53:59,238 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114420738] [2021-06-05 15:53:59,238 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:53:59,266 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:53:59,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:53:59,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-05 15:53:59,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:53:59,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:53:59,375 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:59,385 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:59,385 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:53:59,386 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-06-05 15:53:59,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:53:59,464 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:53:59,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 46 [2021-06-05 15:53:59,468 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:59,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:53:59,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 43 [2021-06-05 15:53:59,473 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:53:59,506 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:53:59,507 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-05 15:53:59,507 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:139, output treesize:145 [2021-06-05 15:54:00,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,082 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 74 treesize of output 50 [2021-06-05 15:54:00,083 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:00,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 50 [2021-06-05 15:54:00,094 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:00,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 50 [2021-06-05 15:54:00,105 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:00,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,115 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 72 treesize of output 50 [2021-06-05 15:54:00,116 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:00,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,126 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 72 treesize of output 50 [2021-06-05 15:54:00,127 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:00,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 50 [2021-06-05 15:54:00,138 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:00,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 50 [2021-06-05 15:54:00,149 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:00,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 50 [2021-06-05 15:54:00,160 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:00,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 50 [2021-06-05 15:54:00,170 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:00,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 50 [2021-06-05 15:54:00,181 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:00,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 50 [2021-06-05 15:54:00,192 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:00,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 50 [2021-06-05 15:54:00,203 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:00,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,213 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 74 treesize of output 50 [2021-06-05 15:54:00,214 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:00,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 50 [2021-06-05 15:54:00,224 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:00,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 50 [2021-06-05 15:54:00,235 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:00,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:00,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 50 [2021-06-05 15:54:00,243 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:01,224 WARN L205 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 102 [2021-06-05 15:54:01,224 INFO L628 ElimStorePlain]: treesize reduction 1032, result has 65.1 percent of original size [2021-06-05 15:54:01,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,233 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 75 treesize of output 51 [2021-06-05 15:54:01,234 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:01,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 54 [2021-06-05 15:54:01,245 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:01,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,254 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 67 treesize of output 41 [2021-06-05 15:54:01,255 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:01,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,264 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 82 treesize of output 54 [2021-06-05 15:54:01,265 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:01,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,274 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 82 treesize of output 54 [2021-06-05 15:54:01,275 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:01,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,285 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 65 treesize of output 41 [2021-06-05 15:54:01,286 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:01,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,296 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 82 treesize of output 54 [2021-06-05 15:54:01,297 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:01,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 51 [2021-06-05 15:54:01,307 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:01,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,317 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 75 treesize of output 51 [2021-06-05 15:54:01,318 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:01,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,327 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 67 treesize of output 41 [2021-06-05 15:54:01,328 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:01,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,337 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 65 treesize of output 41 [2021-06-05 15:54:01,338 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:01,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,344 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 77 treesize of output 51 [2021-06-05 15:54:01,345 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:01,941 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 89 [2021-06-05 15:54:01,942 INFO L628 ElimStorePlain]: treesize reduction 262, result has 82.3 percent of original size [2021-06-05 15:54:01,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 24 [2021-06-05 15:54:01,952 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:01,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 26 [2021-06-05 15:54:01,961 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:01,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,969 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 46 treesize of output 24 [2021-06-05 15:54:01,970 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:01,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 26 [2021-06-05 15:54:01,979 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:01,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2021-06-05 15:54:01,989 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:01,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:01,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 24 [2021-06-05 15:54:01,998 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:02,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,006 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 46 treesize of output 24 [2021-06-05 15:54:02,007 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:02,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 30 [2021-06-05 15:54:02,013 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:02,383 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2021-06-05 15:54:02,383 INFO L628 ElimStorePlain]: treesize reduction 130, result has 86.1 percent of original size [2021-06-05 15:54:02,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2021-06-05 15:54:02,392 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:02,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,399 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 37 [2021-06-05 15:54:02,400 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:02,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 38 [2021-06-05 15:54:02,408 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:02,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 38 [2021-06-05 15:54:02,417 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:02,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 40 [2021-06-05 15:54:02,425 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:02,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 24 [2021-06-05 15:54:02,433 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:02,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2021-06-05 15:54:02,442 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:02,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,449 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 62 treesize of output 40 [2021-06-05 15:54:02,450 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:02,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,456 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 59 treesize of output 35 [2021-06-05 15:54:02,458 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:02,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,464 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 59 treesize of output 35 [2021-06-05 15:54:02,465 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:02,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 24 [2021-06-05 15:54:02,473 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:02,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:02,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 26 [2021-06-05 15:54:02,478 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:02,531 INFO L628 ElimStorePlain]: treesize reduction 267, result has 20.8 percent of original size [2021-06-05 15:54:02,532 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-05 15:54:02,532 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 4 variables, input treesize:3329, output treesize:70 [2021-06-05 15:54:02,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 15:54:02,605 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:02,617 INFO L628 ElimStorePlain]: treesize reduction 109, result has 4.4 percent of original size [2021-06-05 15:54:02,617 INFO L518 ElimStorePlain]: Eliminatee v_prenex_516 vanished before elimination [2021-06-05 15:54:02,617 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-06-05 15:54:02,617 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:54:02,617 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:129, output treesize:5 [2021-06-05 15:54:02,622 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:54:02,622 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114420738] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:54:02,622 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:54:02,622 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-06-05 15:54:02,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540236102] [2021-06-05 15:54:02,622 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 15:54:02,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:54:02,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 15:54:02,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=468, Unknown=0, NotChecked=0, Total=552 [2021-06-05 15:54:02,623 INFO L87 Difference]: Start difference. First operand 7412 states and 26271 transitions. Second operand has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:54:03,898 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-06-05 15:54:04,104 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 48 [2021-06-05 15:54:05,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:54:05,247 INFO L93 Difference]: Finished difference Result 12615 states and 43638 transitions. [2021-06-05 15:54:05,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-05 15:54:05,247 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:54:05,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:54:05,268 INFO L225 Difference]: With dead ends: 12615 [2021-06-05 15:54:05,269 INFO L226 Difference]: Without dead ends: 12430 [2021-06-05 15:54:05,269 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 722 ImplicationChecksByTransitivity, 2474.7ms TimeCoverageRelationStatistics Valid=370, Invalid=2180, Unknown=0, NotChecked=0, Total=2550 [2021-06-05 15:54:05,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12430 states. [2021-06-05 15:54:05,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12430 to 7842. [2021-06-05 15:54:05,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7842 states, 7841 states have (on average 3.5546486417548784) internal successors, (27872), 7841 states have internal predecessors, (27872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:54:05,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7842 states to 7842 states and 27872 transitions. [2021-06-05 15:54:05,401 INFO L78 Accepts]: Start accepts. Automaton has 7842 states and 27872 transitions. Word has length 33 [2021-06-05 15:54:05,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:54:05,401 INFO L482 AbstractCegarLoop]: Abstraction has 7842 states and 27872 transitions. [2021-06-05 15:54:05,401 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:54:05,401 INFO L276 IsEmpty]: Start isEmpty. Operand 7842 states and 27872 transitions. [2021-06-05 15:54:05,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:54:05,412 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:54:05,412 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:54:05,612 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5043 [2021-06-05 15:54:05,613 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:54:05,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:54:05,613 INFO L82 PathProgramCache]: Analyzing trace with hash -919407476, now seen corresponding path program 35 times [2021-06-05 15:54:05,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:54:05,613 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483239157] [2021-06-05 15:54:05,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:54:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:54:06,017 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:54:06,017 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:54:06,017 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483239157] [2021-06-05 15:54:06,017 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483239157] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:54:06,017 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488798976] [2021-06-05 15:54:06,017 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:54:06,046 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-05 15:54:06,046 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:54:06,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-05 15:54:06,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:54:06,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:54:06,134 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:06,146 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:06,146 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:54:06,146 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:46, output treesize:45 [2021-06-05 15:54:06,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:06,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:54:06,268 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:06,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:06,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 37 [2021-06-05 15:54:06,273 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:06,300 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:06,301 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-05 15:54:06,302 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:113, output treesize:113 [2021-06-05 15:54:06,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:06,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 15:54:06,471 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:06,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:06,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2021-06-05 15:54:06,477 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:06,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:06,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 15:54:06,482 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:06,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:06,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2021-06-05 15:54:06,488 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:06,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:06,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 15:54:06,494 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:06,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:06,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2021-06-05 15:54:06,500 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:06,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:06,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 15:54:06,506 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:06,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:06,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2021-06-05 15:54:06,511 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:06,775 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2021-06-05 15:54:06,775 INFO L628 ElimStorePlain]: treesize reduction 431, result has 56.2 percent of original size [2021-06-05 15:54:06,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:06,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-05 15:54:06,781 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:06,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:06,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-05 15:54:06,786 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:06,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:06,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-05 15:54:06,790 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:06,985 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-06-05 15:54:06,985 INFO L628 ElimStorePlain]: treesize reduction 45, result has 90.8 percent of original size [2021-06-05 15:54:06,987 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-06-05 15:54:06,987 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 2 variables, input treesize:1177, output treesize:443 [2021-06-05 15:54:07,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:54:07,699 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:08,656 WARN L205 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 680 [2021-06-05 15:54:08,657 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:08,683 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 27 treesize of output 15 [2021-06-05 15:54:08,684 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:09,430 WARN L205 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 349 [2021-06-05 15:54:09,430 INFO L628 ElimStorePlain]: treesize reduction 864, result has 51.9 percent of original size [2021-06-05 15:54:09,430 INFO L518 ElimStorePlain]: Eliminatee v_prenex_562 vanished before elimination [2021-06-05 15:54:09,431 INFO L518 ElimStorePlain]: Eliminatee v_prenex_563 vanished before elimination [2021-06-05 15:54:09,444 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 29 treesize of output 17 [2021-06-05 15:54:09,445 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:09,752 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2021-06-05 15:54:09,753 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:09,753 INFO L518 ElimStorePlain]: Eliminatee v_prenex_564 vanished before elimination [2021-06-05 15:54:09,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 15:54:09,767 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:09,816 INFO L628 ElimStorePlain]: treesize reduction 886, result has 0.6 percent of original size [2021-06-05 15:54:09,817 INFO L518 ElimStorePlain]: Eliminatee v_prenex_565 vanished before elimination [2021-06-05 15:54:09,817 INFO L518 ElimStorePlain]: Eliminatee v_prenex_566 vanished before elimination [2021-06-05 15:54:09,817 INFO L518 ElimStorePlain]: Eliminatee v_prenex_522 vanished before elimination [2021-06-05 15:54:09,817 INFO L518 ElimStorePlain]: Eliminatee v_prenex_567 vanished before elimination [2021-06-05 15:54:09,817 INFO L518 ElimStorePlain]: Eliminatee v_prenex_523 vanished before elimination [2021-06-05 15:54:09,817 INFO L518 ElimStorePlain]: Eliminatee v_prenex_524 vanished before elimination [2021-06-05 15:54:09,817 INFO L518 ElimStorePlain]: Eliminatee v_prenex_568 vanished before elimination [2021-06-05 15:54:09,817 INFO L518 ElimStorePlain]: Eliminatee v_prenex_558 vanished before elimination [2021-06-05 15:54:09,817 INFO L518 ElimStorePlain]: Eliminatee v_prenex_559 vanished before elimination [2021-06-05 15:54:09,817 INFO L518 ElimStorePlain]: Eliminatee v_prenex_518 vanished before elimination [2021-06-05 15:54:09,817 INFO L518 ElimStorePlain]: Eliminatee v_prenex_519 vanished before elimination [2021-06-05 15:54:09,817 INFO L518 ElimStorePlain]: Eliminatee v_prenex_590 vanished before elimination [2021-06-05 15:54:09,817 INFO L518 ElimStorePlain]: Eliminatee v_prenex_591 vanished before elimination [2021-06-05 15:54:09,817 INFO L518 ElimStorePlain]: Eliminatee v_prenex_592 vanished before elimination [2021-06-05 15:54:09,817 INFO L518 ElimStorePlain]: Eliminatee v_prenex_593 vanished before elimination [2021-06-05 15:54:09,817 INFO L518 ElimStorePlain]: Eliminatee v_prenex_550 vanished before elimination [2021-06-05 15:54:09,817 INFO L518 ElimStorePlain]: Eliminatee v_prenex_594 vanished before elimination [2021-06-05 15:54:09,817 INFO L518 ElimStorePlain]: Eliminatee v_prenex_551 vanished before elimination [2021-06-05 15:54:09,818 INFO L518 ElimStorePlain]: Eliminatee v_prenex_595 vanished before elimination [2021-06-05 15:54:09,818 INFO L518 ElimStorePlain]: Eliminatee v_prenex_552 vanished before elimination [2021-06-05 15:54:09,818 INFO L518 ElimStorePlain]: Eliminatee v_prenex_553 vanished before elimination [2021-06-05 15:54:09,818 INFO L518 ElimStorePlain]: Eliminatee v_prenex_554 vanished before elimination [2021-06-05 15:54:09,818 INFO L518 ElimStorePlain]: Eliminatee v_prenex_555 vanished before elimination [2021-06-05 15:54:09,818 INFO L518 ElimStorePlain]: Eliminatee v_prenex_556 vanished before elimination [2021-06-05 15:54:09,818 INFO L518 ElimStorePlain]: Eliminatee v_prenex_557 vanished before elimination [2021-06-05 15:54:09,818 INFO L518 ElimStorePlain]: Eliminatee v_prenex_547 vanished before elimination [2021-06-05 15:54:09,818 INFO L518 ElimStorePlain]: Eliminatee v_prenex_548 vanished before elimination [2021-06-05 15:54:09,818 INFO L518 ElimStorePlain]: Eliminatee v_prenex_549 vanished before elimination [2021-06-05 15:54:09,818 INFO L518 ElimStorePlain]: Eliminatee v_prenex_580 vanished before elimination [2021-06-05 15:54:09,818 INFO L518 ElimStorePlain]: Eliminatee v_prenex_581 vanished before elimination [2021-06-05 15:54:09,818 INFO L518 ElimStorePlain]: Eliminatee v_prenex_582 vanished before elimination [2021-06-05 15:54:09,818 INFO L518 ElimStorePlain]: Eliminatee v_prenex_583 vanished before elimination [2021-06-05 15:54:09,818 INFO L518 ElimStorePlain]: Eliminatee v_prenex_540 vanished before elimination [2021-06-05 15:54:09,818 INFO L518 ElimStorePlain]: Eliminatee v_prenex_584 vanished before elimination [2021-06-05 15:54:09,818 INFO L518 ElimStorePlain]: Eliminatee v_prenex_541 vanished before elimination [2021-06-05 15:54:09,818 INFO L518 ElimStorePlain]: Eliminatee v_prenex_585 vanished before elimination [2021-06-05 15:54:09,818 INFO L518 ElimStorePlain]: Eliminatee v_prenex_542 vanished before elimination [2021-06-05 15:54:09,818 INFO L518 ElimStorePlain]: Eliminatee v_prenex_586 vanished before elimination [2021-06-05 15:54:09,818 INFO L518 ElimStorePlain]: Eliminatee v_prenex_543 vanished before elimination [2021-06-05 15:54:09,819 INFO L518 ElimStorePlain]: Eliminatee v_prenex_587 vanished before elimination [2021-06-05 15:54:09,819 INFO L518 ElimStorePlain]: Eliminatee v_prenex_588 vanished before elimination [2021-06-05 15:54:09,819 INFO L518 ElimStorePlain]: Eliminatee v_prenex_544 vanished before elimination [2021-06-05 15:54:09,819 INFO L518 ElimStorePlain]: Eliminatee v_prenex_589 vanished before elimination [2021-06-05 15:54:09,819 INFO L518 ElimStorePlain]: Eliminatee v_prenex_545 vanished before elimination [2021-06-05 15:54:09,819 INFO L518 ElimStorePlain]: Eliminatee v_prenex_546 vanished before elimination [2021-06-05 15:54:09,819 INFO L518 ElimStorePlain]: Eliminatee v_prenex_536 vanished before elimination [2021-06-05 15:54:09,819 INFO L518 ElimStorePlain]: Eliminatee v_prenex_537 vanished before elimination [2021-06-05 15:54:09,819 INFO L518 ElimStorePlain]: Eliminatee v_prenex_538 vanished before elimination [2021-06-05 15:54:09,819 INFO L518 ElimStorePlain]: Eliminatee v_prenex_539 vanished before elimination [2021-06-05 15:54:09,819 INFO L518 ElimStorePlain]: Eliminatee v_prenex_570 vanished before elimination [2021-06-05 15:54:09,819 INFO L518 ElimStorePlain]: Eliminatee v_prenex_571 vanished before elimination [2021-06-05 15:54:09,819 INFO L518 ElimStorePlain]: Eliminatee v_prenex_572 vanished before elimination [2021-06-05 15:54:09,819 INFO L518 ElimStorePlain]: Eliminatee v_prenex_573 vanished before elimination [2021-06-05 15:54:09,819 INFO L518 ElimStorePlain]: Eliminatee v_prenex_574 vanished before elimination [2021-06-05 15:54:09,819 INFO L518 ElimStorePlain]: Eliminatee v_prenex_530 vanished before elimination [2021-06-05 15:54:09,819 INFO L518 ElimStorePlain]: Eliminatee v_prenex_575 vanished before elimination [2021-06-05 15:54:09,819 INFO L518 ElimStorePlain]: Eliminatee v_prenex_531 vanished before elimination [2021-06-05 15:54:09,819 INFO L518 ElimStorePlain]: Eliminatee v_prenex_576 vanished before elimination [2021-06-05 15:54:09,819 INFO L518 ElimStorePlain]: Eliminatee v_prenex_532 vanished before elimination [2021-06-05 15:54:09,819 INFO L518 ElimStorePlain]: Eliminatee v_prenex_577 vanished before elimination [2021-06-05 15:54:09,819 INFO L518 ElimStorePlain]: Eliminatee v_prenex_533 vanished before elimination [2021-06-05 15:54:09,820 INFO L518 ElimStorePlain]: Eliminatee v_prenex_534 vanished before elimination [2021-06-05 15:54:09,820 INFO L518 ElimStorePlain]: Eliminatee v_prenex_578 vanished before elimination [2021-06-05 15:54:09,820 INFO L518 ElimStorePlain]: Eliminatee v_prenex_535 vanished before elimination [2021-06-05 15:54:09,820 INFO L518 ElimStorePlain]: Eliminatee v_prenex_579 vanished before elimination [2021-06-05 15:54:09,820 INFO L518 ElimStorePlain]: Eliminatee v_prenex_525 vanished before elimination [2021-06-05 15:54:09,820 INFO L518 ElimStorePlain]: Eliminatee v_prenex_569 vanished before elimination [2021-06-05 15:54:09,820 INFO L518 ElimStorePlain]: Eliminatee v_prenex_526 vanished before elimination [2021-06-05 15:54:09,820 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 15:54:09,820 INFO L518 ElimStorePlain]: Eliminatee v_prenex_527 vanished before elimination [2021-06-05 15:54:09,820 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 15:54:09,820 INFO L518 ElimStorePlain]: Eliminatee v_prenex_528 vanished before elimination [2021-06-05 15:54:09,820 INFO L518 ElimStorePlain]: Eliminatee v_prenex_529 vanished before elimination [2021-06-05 15:54:09,820 INFO L550 ElimStorePlain]: Start of recursive call 1: 80 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:54:09,820 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 80 variables, input treesize:1841, output treesize:5 [2021-06-05 15:54:09,829 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:54:09,829 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488798976] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:54:09,829 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:54:09,829 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2021-06-05 15:54:09,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635094018] [2021-06-05 15:54:09,830 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-05 15:54:09,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:54:09,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-05 15:54:09,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2021-06-05 15:54:09,830 INFO L87 Difference]: Start difference. First operand 7842 states and 27872 transitions. Second operand has 25 states, 25 states have (on average 2.32) internal successors, (58), 24 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:54:10,634 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-06-05 15:54:11,175 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-06-05 15:54:12,093 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-06-05 15:54:12,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:54:12,650 INFO L93 Difference]: Finished difference Result 13655 states and 47262 transitions. [2021-06-05 15:54:12,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-05 15:54:12,650 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.32) internal successors, (58), 24 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:54:12,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:54:12,673 INFO L225 Difference]: With dead ends: 13655 [2021-06-05 15:54:12,673 INFO L226 Difference]: Without dead ends: 13307 [2021-06-05 15:54:12,674 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 758 ImplicationChecksByTransitivity, 2715.3ms TimeCoverageRelationStatistics Valid=447, Invalid=2205, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 15:54:12,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13307 states. [2021-06-05 15:54:12,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13307 to 7671. [2021-06-05 15:54:12,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7671 states, 7670 states have (on average 3.5572359843546284) internal successors, (27284), 7670 states have internal predecessors, (27284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:54:12,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7671 states to 7671 states and 27284 transitions. [2021-06-05 15:54:12,800 INFO L78 Accepts]: Start accepts. Automaton has 7671 states and 27284 transitions. Word has length 33 [2021-06-05 15:54:12,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:54:12,800 INFO L482 AbstractCegarLoop]: Abstraction has 7671 states and 27284 transitions. [2021-06-05 15:54:12,800 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.32) internal successors, (58), 24 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:54:12,801 INFO L276 IsEmpty]: Start isEmpty. Operand 7671 states and 27284 transitions. [2021-06-05 15:54:12,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 15:54:12,810 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:54:12,810 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:54:13,011 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5167 [2021-06-05 15:54:13,011 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:54:13,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:54:13,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1958616328, now seen corresponding path program 36 times [2021-06-05 15:54:13,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:54:13,012 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453872653] [2021-06-05 15:54:13,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:54:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:54:13,404 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:54:13,404 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:54:13,404 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453872653] [2021-06-05 15:54:13,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453872653] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:54:13,404 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924895945] [2021-06-05 15:54:13,404 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:54:13,433 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-05 15:54:13,433 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:54:13,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 15:54:13,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:54:13,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 15:54:13,522 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:13,532 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:13,532 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:54:13,532 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 15:54:13,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:13,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:54:13,618 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:13,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:13,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 37 [2021-06-05 15:54:13,623 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:13,650 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:13,651 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-05 15:54:13,651 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:113, output treesize:115 [2021-06-05 15:54:13,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:13,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-05 15:54:13,734 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:13,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:13,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 32 [2021-06-05 15:54:13,738 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:13,787 INFO L628 ElimStorePlain]: treesize reduction 81, result has 55.7 percent of original size [2021-06-05 15:54:13,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:13,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-05 15:54:13,791 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:13,808 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:13,809 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-05 15:54:13,809 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:227, output treesize:74 [2021-06-05 15:54:14,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 15:54:14,470 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:14,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:54:14,482 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:14,491 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 29 treesize of output 17 [2021-06-05 15:54:14,492 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:14,501 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 27 treesize of output 17 [2021-06-05 15:54:14,502 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:14,510 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 29 treesize of output 17 [2021-06-05 15:54:14,511 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:14,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 15:54:14,521 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:14,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:54:14,531 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:14,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 15:54:14,541 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:14,550 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 27 treesize of output 17 [2021-06-05 15:54:14,551 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:14,559 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 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 15:54:14,560 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:14,569 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 29 treesize of output 17 [2021-06-05 15:54:14,570 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:14,578 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 29 treesize of output 17 [2021-06-05 15:54:14,579 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:14,587 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 27 treesize of output 17 [2021-06-05 15:54:14,588 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:14,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 15:54:14,597 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:14,605 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 29 treesize of output 17 [2021-06-05 15:54:14,606 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:14,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 15:54:14,612 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:15,118 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-06-05 15:54:15,118 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:15,127 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 27 treesize of output 15 [2021-06-05 15:54:15,128 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:15,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-05 15:54:15,137 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:15,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 15:54:15,146 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:15,152 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 25 treesize of output 15 [2021-06-05 15:54:15,153 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:15,273 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 5 [2021-06-05 15:54:15,274 INFO L628 ElimStorePlain]: treesize reduction 1473, result has 0.3 percent of original size [2021-06-05 15:54:15,274 INFO L518 ElimStorePlain]: Eliminatee v_prenex_597 vanished before elimination [2021-06-05 15:54:15,274 INFO L518 ElimStorePlain]: Eliminatee v_prenex_598 vanished before elimination [2021-06-05 15:54:15,274 INFO L518 ElimStorePlain]: Eliminatee v_prenex_599 vanished before elimination [2021-06-05 15:54:15,274 INFO L518 ElimStorePlain]: Eliminatee v_prenex_600 vanished before elimination [2021-06-05 15:54:15,274 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:54:15,274 INFO L247 ElimStorePlain]: Needed 21 recursive calls to eliminate 6 variables, input treesize:2209, output treesize:5 [2021-06-05 15:54:15,283 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:54:15,283 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924895945] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:54:15,283 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:54:15,283 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-06-05 15:54:15,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259995719] [2021-06-05 15:54:15,283 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 15:54:15,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:54:15,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 15:54:15,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=456, Unknown=0, NotChecked=0, Total=552 [2021-06-05 15:54:15,284 INFO L87 Difference]: Start difference. First operand 7671 states and 27284 transitions. Second operand has 24 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:54:17,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:54:17,981 INFO L93 Difference]: Finished difference Result 12010 states and 41894 transitions. [2021-06-05 15:54:17,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-05 15:54:17,981 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 15:54:17,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:54:18,002 INFO L225 Difference]: With dead ends: 12010 [2021-06-05 15:54:18,002 INFO L226 Difference]: Without dead ends: 11794 [2021-06-05 15:54:18,003 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 847 ImplicationChecksByTransitivity, 2570.7ms TimeCoverageRelationStatistics Valid=517, Invalid=2453, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 15:54:18,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11794 states. [2021-06-05 15:54:18,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11794 to 7671. [2021-06-05 15:54:18,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7671 states, 7670 states have (on average 3.5604954367666233) internal successors, (27309), 7670 states have internal predecessors, (27309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:54:18,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7671 states to 7671 states and 27309 transitions. [2021-06-05 15:54:18,128 INFO L78 Accepts]: Start accepts. Automaton has 7671 states and 27309 transitions. Word has length 33 [2021-06-05 15:54:18,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:54:18,128 INFO L482 AbstractCegarLoop]: Abstraction has 7671 states and 27309 transitions. [2021-06-05 15:54:18,128 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:54:18,128 INFO L276 IsEmpty]: Start isEmpty. Operand 7671 states and 27309 transitions. [2021-06-05 15:54:18,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 15:54:18,138 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:54:18,138 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:54:18,339 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5197,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:54:18,339 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:54:18,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:54:18,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1287961654, now seen corresponding path program 37 times [2021-06-05 15:54:18,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:54:18,340 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638214364] [2021-06-05 15:54:18,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:54:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:54:18,387 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 15:54:18,387 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:54:18,387 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638214364] [2021-06-05 15:54:18,387 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638214364] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:54:18,387 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431342549] [2021-06-05 15:54:18,387 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:54:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:54:18,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 15:54:18,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:54:18,464 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 15:54:18,464 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431342549] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:54:18,464 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:54:18,465 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-05 15:54:18,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648136471] [2021-06-05 15:54:18,465 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 15:54:18,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:54:18,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 15:54:18,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-06-05 15:54:18,465 INFO L87 Difference]: Start difference. First operand 7671 states and 27309 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:54:18,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:54:18,636 INFO L93 Difference]: Finished difference Result 12087 states and 42088 transitions. [2021-06-05 15:54:18,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 15:54:18,636 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-05 15:54:18,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:54:18,662 INFO L225 Difference]: With dead ends: 12087 [2021-06-05 15:54:18,663 INFO L226 Difference]: Without dead ends: 12045 [2021-06-05 15:54:18,663 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 50.5ms TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-06-05 15:54:18,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12045 states. [2021-06-05 15:54:18,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12045 to 10004. [2021-06-05 15:54:18,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10004 states, 10003 states have (on average 3.617014895531341) internal successors, (36181), 10003 states have internal predecessors, (36181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:54:18,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10004 states to 10004 states and 36181 transitions. [2021-06-05 15:54:18,881 INFO L78 Accepts]: Start accepts. Automaton has 10004 states and 36181 transitions. Word has length 35 [2021-06-05 15:54:18,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:54:18,881 INFO L482 AbstractCegarLoop]: Abstraction has 10004 states and 36181 transitions. [2021-06-05 15:54:18,881 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:54:18,881 INFO L276 IsEmpty]: Start isEmpty. Operand 10004 states and 36181 transitions. [2021-06-05 15:54:18,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 15:54:18,895 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:54:18,895 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:54:19,096 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5403,37 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:54:19,096 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:54:19,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:54:19,096 INFO L82 PathProgramCache]: Analyzing trace with hash 612932962, now seen corresponding path program 38 times [2021-06-05 15:54:19,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:54:19,096 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983837404] [2021-06-05 15:54:19,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:54:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:54:19,120 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 15:54:19,120 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:54:19,120 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983837404] [2021-06-05 15:54:19,120 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983837404] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:54:19,120 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819046368] [2021-06-05 15:54:19,120 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:54:19,160 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:54:19,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:54:19,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 15:54:19,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:54:19,196 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 15:54:19,197 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819046368] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:54:19,197 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:54:19,197 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-05 15:54:19,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379457335] [2021-06-05 15:54:19,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 15:54:19,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:54:19,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 15:54:19,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-05 15:54:19,198 INFO L87 Difference]: Start difference. First operand 10004 states and 36181 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:54:19,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:54:19,289 INFO L93 Difference]: Finished difference Result 11606 states and 40704 transitions. [2021-06-05 15:54:19,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 15:54:19,289 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-05 15:54:19,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:54:19,310 INFO L225 Difference]: With dead ends: 11606 [2021-06-05 15:54:19,310 INFO L226 Difference]: Without dead ends: 11606 [2021-06-05 15:54:19,311 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 26.3ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-06-05 15:54:19,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11606 states. [2021-06-05 15:54:19,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11606 to 9133. [2021-06-05 15:54:19,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9133 states, 9132 states have (on average 3.5799386771791504) internal successors, (32692), 9132 states have internal predecessors, (32692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:54:19,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9133 states to 9133 states and 32692 transitions. [2021-06-05 15:54:19,566 INFO L78 Accepts]: Start accepts. Automaton has 9133 states and 32692 transitions. Word has length 35 [2021-06-05 15:54:19,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:54:19,566 INFO L482 AbstractCegarLoop]: Abstraction has 9133 states and 32692 transitions. [2021-06-05 15:54:19,566 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:54:19,566 INFO L276 IsEmpty]: Start isEmpty. Operand 9133 states and 32692 transitions. [2021-06-05 15:54:19,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 15:54:19,580 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:54:19,580 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:54:19,780 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5404 [2021-06-05 15:54:19,780 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:54:19,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:54:19,781 INFO L82 PathProgramCache]: Analyzing trace with hash -750423870, now seen corresponding path program 39 times [2021-06-05 15:54:19,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:54:19,781 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456904897] [2021-06-05 15:54:19,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:54:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:54:19,806 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 15:54:19,807 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:54:19,807 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456904897] [2021-06-05 15:54:19,807 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456904897] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:54:19,807 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575764905] [2021-06-05 15:54:19,807 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:54:19,846 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-05 15:54:19,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:54:19,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-05 15:54:19,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:54:19,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:54:19,960 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:19,964 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 [2021-06-05 15:54:19,965 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:19,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:54:19,970 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:19,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:54:19,976 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:20,054 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:20,056 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 15:54:20,056 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:241, output treesize:237 [2021-06-05 15:54:20,775 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-06-05 15:54:21,405 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-06-05 15:54:22,209 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2021-06-05 15:54:23,770 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 248 [2021-06-05 15:54:24,327 INFO L446 ElimStorePlain]: Different costs {3=[v_C_68], 629=[A, B]} [2021-06-05 15:54:24,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:24,375 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:24,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-06-05 15:54:24,385 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:24,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:24,432 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:24,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-06-05 15:54:24,434 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:24,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:24,478 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:24,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-06-05 15:54:24,480 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:24,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:24,525 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:24,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-06-05 15:54:24,526 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:24,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:24,571 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:24,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-06-05 15:54:24,573 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:24,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:24,620 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:24,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-06-05 15:54:24,621 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:24,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:24,666 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:24,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-06-05 15:54:24,668 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:24,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:24,716 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:24,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-06-05 15:54:24,718 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:24,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:24,770 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:24,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-06-05 15:54:24,773 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:24,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:24,825 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:24,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-06-05 15:54:24,827 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:24,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:24,885 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:24,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-06-05 15:54:24,888 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:24,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:24,933 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:24,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-06-05 15:54:24,935 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:24,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:24,986 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:24,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-06-05 15:54:24,989 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:25,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:25,048 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:25,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-06-05 15:54:25,050 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:25,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:25,102 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:25,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-06-05 15:54:25,104 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:25,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:25,158 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:25,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-06-05 15:54:25,160 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:25,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:25,213 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:25,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-06-05 15:54:25,214 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:25,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:25,275 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:25,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-06-05 15:54:25,278 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:25,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:25,342 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:25,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-06-05 15:54:25,344 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:25,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:25,400 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:25,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-06-05 15:54:25,403 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:25,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:25,461 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:25,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-06-05 15:54:25,463 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:25,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:25,523 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:25,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-06-05 15:54:25,524 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:25,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:25,588 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:25,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-06-05 15:54:25,590 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:25,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:25,648 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:25,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-06-05 15:54:25,649 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:25,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:25,716 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:25,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-06-05 15:54:25,718 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:25,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:25,782 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:25,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-06-05 15:54:25,784 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:25,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:25,842 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:25,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-06-05 15:54:25,843 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:25,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:25,917 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:25,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-06-05 15:54:25,918 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:25,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:25,989 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:25,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-06-05 15:54:25,991 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:26,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:26,055 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:26,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-06-05 15:54:26,057 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:26,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:26,122 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:26,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-06-05 15:54:26,124 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:26,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:26,180 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-06-05 15:54:26,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-06-05 15:54:26,182 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:27,391 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 371 [2021-06-05 15:54:27,391 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:27,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:27,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:27,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:27,517 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-06-05 15:54:27,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 100 [2021-06-05 15:54:27,523 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:27,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:27,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:27,644 INFO L354 Elim1Store]: treesize reduction 8, result has 86.9 percent of original size [2021-06-05 15:54:27,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 72 treesize of output 104 [2021-06-05 15:54:27,655 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:27,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:27,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:27,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:27,780 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:27,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 104 [2021-06-05 15:54:27,796 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:27,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:27,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:27,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:27,903 INFO L354 Elim1Store]: treesize reduction 8, result has 84.9 percent of original size [2021-06-05 15:54:27,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 83 [2021-06-05 15:54:27,914 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:27,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:27,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:28,022 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-06-05 15:54:28,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 57 treesize of output 95 [2021-06-05 15:54:28,062 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:28,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:28,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:28,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:28,143 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:28,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 91 [2021-06-05 15:54:28,189 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 2 xjuncts. [2021-06-05 15:54:28,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:28,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:28,317 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-06-05 15:54:28,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 72 treesize of output 108 [2021-06-05 15:54:28,325 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:28,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:28,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:28,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:28,413 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:28,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 91 [2021-06-05 15:54:28,439 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 2 xjuncts. [2021-06-05 15:54:28,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:28,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:28,565 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-06-05 15:54:28,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 57 treesize of output 95 [2021-06-05 15:54:28,586 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:28,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:28,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:28,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:28,708 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-06-05 15:54:28,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 100 [2021-06-05 15:54:28,718 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:28,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:28,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:28,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:28,841 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:28,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 104 [2021-06-05 15:54:28,856 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:28,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:28,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:28,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:28,990 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-06-05 15:54:28,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 87 [2021-06-05 15:54:29,009 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:29,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:29,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:29,153 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-06-05 15:54:29,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 72 treesize of output 108 [2021-06-05 15:54:29,173 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:29,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:29,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:29,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:29,292 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:29,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 104 [2021-06-05 15:54:29,300 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:29,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:29,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:29,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:29,449 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-06-05 15:54:29,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 87 [2021-06-05 15:54:29,464 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:29,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:29,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:29,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:29,601 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-06-05 15:54:29,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 100 [2021-06-05 15:54:29,612 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:29,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:29,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:29,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:29,733 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:29,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 104 [2021-06-05 15:54:29,749 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:29,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:29,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:29,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:29,875 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:29,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 104 [2021-06-05 15:54:29,893 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:29,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:29,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:29,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:30,003 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:30,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 91 [2021-06-05 15:54:30,042 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 2 xjuncts. [2021-06-05 15:54:30,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:30,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:30,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:30,158 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:30,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 91 [2021-06-05 15:54:30,195 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 2 xjuncts. [2021-06-05 15:54:30,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:30,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:30,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:30,366 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-06-05 15:54:30,366 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-06-05 15:54:30,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 100 [2021-06-05 15:54:30,373 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:30,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:30,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:30,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:30,536 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-06-05 15:54:30,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 87 [2021-06-05 15:54:30,583 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:30,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:30,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:30,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:30,718 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:30,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 91 [2021-06-05 15:54:30,761 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 2 xjuncts. [2021-06-05 15:54:30,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:30,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:30,925 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-06-05 15:54:30,926 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-06-05 15:54:30,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 72 treesize of output 108 [2021-06-05 15:54:30,936 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:30,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:30,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:30,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:31,103 INFO L354 Elim1Store]: treesize reduction 8, result has 84.9 percent of original size [2021-06-05 15:54:31,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 83 [2021-06-05 15:54:31,113 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:31,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:31,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:31,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:31,296 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-06-05 15:54:31,296 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-06-05 15:54:31,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 100 [2021-06-05 15:54:31,306 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:31,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:31,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:31,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:31,454 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-06-05 15:54:31,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 87 [2021-06-05 15:54:31,472 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:31,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:31,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:31,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:31,617 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:31,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 91 [2021-06-05 15:54:31,667 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 2 xjuncts. [2021-06-05 15:54:31,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:31,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:31,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:31,795 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:31,795 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 72 treesize of output 104 [2021-06-05 15:54:31,803 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:31,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:31,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:31,944 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:31,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 57 treesize of output 99 [2021-06-05 15:54:32,077 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 2 xjuncts. [2021-06-05 15:54:32,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:32,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:32,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:32,207 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-06-05 15:54:32,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 100 [2021-06-05 15:54:32,213 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:32,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:32,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:32,344 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-06-05 15:54:32,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 57 treesize of output 95 [2021-06-05 15:54:32,366 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:41,272 WARN L205 SmtUtils]: Spent 8.90 s on a formula simplification. DAG size of input: 967 DAG size of output: 663 [2021-06-05 15:54:41,273 INFO L628 ElimStorePlain]: treesize reduction 5205, result has 55.3 percent of original size [2021-06-05 15:54:41,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:41,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:41,441 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-06-05 15:54:41,441 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-06-05 15:54:41,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 162 treesize of output 174 [2021-06-05 15:54:41,513 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:41,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:41,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:41,682 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-06-05 15:54:41,682 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-06-05 15:54:41,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 200 treesize of output 206 [2021-06-05 15:54:41,887 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:41,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:41,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:42,044 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-06-05 15:54:42,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 188 treesize of output 190 [2021-06-05 15:54:42,113 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:42,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:42,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:42,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:42,251 INFO L354 Elim1Store]: treesize reduction 4, result has 90.7 percent of original size [2021-06-05 15:54:42,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 132 treesize of output 136 [2021-06-05 15:54:42,279 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:42,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:42,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:42,452 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-06-05 15:54:42,452 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-06-05 15:54:42,452 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 5 new quantified variables, introduced 7 case distinctions, treesize of input 162 treesize of output 174 [2021-06-05 15:54:42,607 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:42,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:42,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:42,782 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-06-05 15:54:42,782 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-06-05 15:54:42,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 151 treesize of output 165 [2021-06-05 15:54:42,864 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:42,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:42,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:43,078 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-06-05 15:54:43,078 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-06-05 15:54:43,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 243 treesize of output 239 [2021-06-05 15:54:43,323 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:43,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:43,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:43,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:43,479 INFO L354 Elim1Store]: treesize reduction 4, result has 92.2 percent of original size [2021-06-05 15:54:43,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 150 treesize of output 156 [2021-06-05 15:54:43,509 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:43,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:43,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:43,697 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-06-05 15:54:43,698 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-06-05 15:54:43,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 197 treesize of output 205 [2021-06-05 15:54:43,793 INFO L550 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:43,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:43,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:43,976 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-06-05 15:54:43,977 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-06-05 15:54:43,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 210 treesize of output 216 [2021-06-05 15:54:44,024 INFO L550 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:44,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:44,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:44,194 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-06-05 15:54:44,194 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-06-05 15:54:44,194 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 151 treesize of output 157 [2021-06-05 15:54:44,247 INFO L550 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:44,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:44,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:44,438 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-06-05 15:54:44,439 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-06-05 15:54:44,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 168 treesize of output 180 [2021-06-05 15:54:44,573 INFO L550 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:44,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:44,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:44,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:44,707 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:44,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 100 treesize of output 122 [2021-06-05 15:54:44,821 INFO L550 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 2 xjuncts. [2021-06-05 15:54:44,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:44,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:45,025 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-06-05 15:54:45,025 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-06-05 15:54:45,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 172 treesize of output 180 [2021-06-05 15:54:45,188 INFO L550 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:45,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:45,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:45,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:45,357 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-06-05 15:54:45,358 INFO L354 Elim1Store]: treesize reduction 4, result has 92.2 percent of original size [2021-06-05 15:54:45,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 144 treesize of output 152 [2021-06-05 15:54:45,385 INFO L550 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:45,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:45,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:45,569 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-06-05 15:54:45,570 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-06-05 15:54:45,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 240 treesize of output 236 [2021-06-05 15:54:45,701 INFO L550 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:45,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:45,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:45,903 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-06-05 15:54:45,903 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-06-05 15:54:45,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 163 treesize of output 173 [2021-06-05 15:54:46,131 INFO L550 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:46,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:46,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:46,353 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-06-05 15:54:46,354 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-06-05 15:54:46,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 162 treesize of output 166 [2021-06-05 15:54:46,426 INFO L550 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:46,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:46,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:46,586 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:46,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 152 treesize of output 174 [2021-06-05 15:54:47,101 INFO L550 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 6 xjuncts. [2021-06-05 15:54:47,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:47,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:47,295 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-06-05 15:54:47,295 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-06-05 15:54:47,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 151 treesize of output 157 [2021-06-05 15:54:47,324 INFO L550 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:47,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:47,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:47,467 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:47,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 220 treesize of output 212 [2021-06-05 15:54:47,661 INFO L550 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 5 xjuncts. [2021-06-05 15:54:47,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:47,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:47,861 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-06-05 15:54:47,862 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-06-05 15:54:47,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 152 treesize of output 170 [2021-06-05 15:54:48,013 INFO L550 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:48,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:48,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:48,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:48,150 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:48,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 159 treesize of output 163 [2021-06-05 15:54:48,285 INFO L550 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 2 xjuncts. [2021-06-05 15:54:48,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:48,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:48,441 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:48,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 212 treesize of output 208 [2021-06-05 15:54:48,586 INFO L550 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 5 xjuncts. [2021-06-05 15:54:48,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:48,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:48,778 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-06-05 15:54:48,778 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-06-05 15:54:48,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 179 treesize of output 179 [2021-06-05 15:54:48,960 INFO L550 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:49,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:49,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:49,108 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:49,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 90 treesize of output 116 [2021-06-05 15:54:49,138 INFO L550 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:49,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:49,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:49,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:49,321 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-06-05 15:54:49,321 INFO L354 Elim1Store]: treesize reduction 4, result has 92.2 percent of original size [2021-06-05 15:54:49,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 100 treesize of output 118 [2021-06-05 15:54:49,376 INFO L550 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:49,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:49,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:49,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:49,549 INFO L354 Elim1Store]: treesize reduction 4, result has 90.7 percent of original size [2021-06-05 15:54:49,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 170 treesize of output 164 [2021-06-05 15:54:49,575 INFO L550 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:49,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:49,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:49,770 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-06-05 15:54:49,770 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-06-05 15:54:49,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 235 treesize of output 223 [2021-06-05 15:54:49,909 INFO L550 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:49,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:49,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:49,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:50,100 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-06-05 15:54:50,100 INFO L354 Elim1Store]: treesize reduction 4, result has 92.2 percent of original size [2021-06-05 15:54:50,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 159 treesize of output 167 [2021-06-05 15:54:50,204 INFO L550 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2021-06-05 15:54:50,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:50,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:50,356 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:50,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 224 treesize of output 220 [2021-06-05 15:54:50,687 INFO L550 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 4 xjuncts. [2021-06-05 15:54:50,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:50,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:54:50,832 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:54:50,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 162 treesize of output 170 [2021-06-05 15:54:51,167 INFO L550 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 4 xjuncts. [2021-06-05 15:55:04,768 WARN L205 SmtUtils]: Spent 13.60 s on a formula simplification. DAG size of input: 1603 DAG size of output: 683 [2021-06-05 15:55:04,769 INFO L628 ElimStorePlain]: treesize reduction 14070, result has 23.8 percent of original size [2021-06-05 15:55:05,431 WARN L205 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 616 [2021-06-05 15:55:07,034 INFO L550 ElimStorePlain]: Start of recursive call 1: 33 dim-0 vars, 3 dim-1 vars, End of recursive call: 32 dim-0 vars, and 32 xjuncts. [2021-06-05 15:55:07,035 INFO L247 ElimStorePlain]: Needed 97 recursive calls to eliminate 36 variables, input treesize:3361, output treesize:5734 [2021-06-05 15:55:07,172 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1344 DAG size of output: 1344 [2021-06-05 15:55:09,322 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 1407 DAG size of output: 216 [2021-06-05 15:55:10,507 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 101 [2021-06-05 15:55:11,110 INFO L446 ElimStorePlain]: Different costs {3=[v_prenex_679, v_prenex_671], 6=[v_prenex_669, C], 28=[v_prenex_674]} [2021-06-05 15:55:11,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:11,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:55:11,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2021-06-05 15:55:11,121 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:11,278 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 76 [2021-06-05 15:55:11,279 INFO L628 ElimStorePlain]: treesize reduction 150, result has 56.0 percent of original size [2021-06-05 15:55:11,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:11,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-05 15:55:11,285 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:11,339 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:55:11,339 INFO L518 ElimStorePlain]: Eliminatee v_prenex_669 vanished before elimination [2021-06-05 15:55:11,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:11,344 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:55:11,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 12 [2021-06-05 15:55:11,345 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:11,395 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:55:11,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:55:11,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:11,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:55:11,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 15:55:11,402 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:11,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:55:11,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:11,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:55:11,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 12 [2021-06-05 15:55:11,409 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:11,413 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:55:11,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:11,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:55:11,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 15:55:11,416 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:11,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:55:11,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:11,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 15:55:11,421 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:11,453 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:55:11,457 INFO L550 ElimStorePlain]: Start of recursive call 1: 13 dim-0 vars, 5 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-05 15:55:11,457 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 18 variables, input treesize:387, output treesize:11 [2021-06-05 15:55:11,504 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:55:11,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575764905] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:55:11,504 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:55:11,505 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 15] total 19 [2021-06-05 15:55:11,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35423794] [2021-06-05 15:55:11,505 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 15:55:11,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:55:11,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 15:55:11,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2021-06-05 15:55:11,505 INFO L87 Difference]: Start difference. First operand 9133 states and 32692 transitions. Second operand has 20 states, 20 states have (on average 3.25) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:12,849 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-06-05 15:55:14,618 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 287 DAG size of output: 251 [2021-06-05 15:55:15,878 WARN L205 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 93 [2021-06-05 15:55:16,441 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-06-05 15:55:18,255 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 286 DAG size of output: 250 [2021-06-05 15:55:19,878 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 287 DAG size of output: 251 [2021-06-05 15:55:20,460 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-06-05 15:55:21,360 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-06-05 15:55:21,947 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-06-05 15:55:23,820 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 288 DAG size of output: 252 [2021-06-05 15:55:25,244 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 252 [2021-06-05 15:55:25,583 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-06-05 15:55:25,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:55:25,986 INFO L93 Difference]: Finished difference Result 14686 states and 50815 transitions. [2021-06-05 15:55:25,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-05 15:55:25,986 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.25) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-05 15:55:25,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:55:26,012 INFO L225 Difference]: With dead ends: 14686 [2021-06-05 15:55:26,012 INFO L226 Difference]: Without dead ends: 14629 [2021-06-05 15:55:26,012 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 804 ImplicationChecksByTransitivity, 17470.3ms TimeCoverageRelationStatistics Valid=476, Invalid=2494, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 15:55:26,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14629 states. [2021-06-05 15:55:26,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14629 to 10726. [2021-06-05 15:55:26,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10726 states, 10725 states have (on average 3.6473659673659675) internal successors, (39118), 10725 states have internal predecessors, (39118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:26,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10726 states to 10726 states and 39118 transitions. [2021-06-05 15:55:26,208 INFO L78 Accepts]: Start accepts. Automaton has 10726 states and 39118 transitions. Word has length 35 [2021-06-05 15:55:26,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:55:26,208 INFO L482 AbstractCegarLoop]: Abstraction has 10726 states and 39118 transitions. [2021-06-05 15:55:26,208 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.25) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:26,208 INFO L276 IsEmpty]: Start isEmpty. Operand 10726 states and 39118 transitions. [2021-06-05 15:55:26,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 15:55:26,222 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:55:26,222 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:55:26,423 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5405,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:55:26,423 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:55:26,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:55:26,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1895231910, now seen corresponding path program 40 times [2021-06-05 15:55:26,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:55:26,424 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449288087] [2021-06-05 15:55:26,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:55:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:55:26,445 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 15:55:26,445 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:55:26,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449288087] [2021-06-05 15:55:26,446 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449288087] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:55:26,446 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494409385] [2021-06-05 15:55:26,446 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:55:26,478 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:55:26,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:55:26,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 15:55:26,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:55:26,518 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 15:55:26,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494409385] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:55:26,518 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:55:26,518 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-05 15:55:26,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532649920] [2021-06-05 15:55:26,518 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 15:55:26,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:55:26,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 15:55:26,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-05 15:55:26,519 INFO L87 Difference]: Start difference. First operand 10726 states and 39118 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:26,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:55:26,659 INFO L93 Difference]: Finished difference Result 14459 states and 50497 transitions. [2021-06-05 15:55:26,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 15:55:26,659 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-05 15:55:26,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:55:26,688 INFO L225 Difference]: With dead ends: 14459 [2021-06-05 15:55:26,688 INFO L226 Difference]: Without dead ends: 14459 [2021-06-05 15:55:26,688 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 28.7ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-06-05 15:55:26,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14459 states. [2021-06-05 15:55:26,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14459 to 10754. [2021-06-05 15:55:26,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10754 states, 10753 states have (on average 3.6454942806658606) internal successors, (39200), 10753 states have internal predecessors, (39200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:26,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10754 states to 10754 states and 39200 transitions. [2021-06-05 15:55:26,892 INFO L78 Accepts]: Start accepts. Automaton has 10754 states and 39200 transitions. Word has length 35 [2021-06-05 15:55:26,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:55:26,892 INFO L482 AbstractCegarLoop]: Abstraction has 10754 states and 39200 transitions. [2021-06-05 15:55:26,892 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:26,892 INFO L276 IsEmpty]: Start isEmpty. Operand 10754 states and 39200 transitions. [2021-06-05 15:55:26,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 15:55:26,907 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:55:26,907 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:55:27,107 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8143 [2021-06-05 15:55:27,107 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:55:27,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:55:27,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1528440094, now seen corresponding path program 41 times [2021-06-05 15:55:27,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:55:27,108 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63174029] [2021-06-05 15:55:27,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:55:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:55:27,131 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 15:55:27,132 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:55:27,132 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63174029] [2021-06-05 15:55:27,132 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63174029] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:55:27,132 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069053875] [2021-06-05 15:55:27,132 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:55:27,193 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-05 15:55:27,194 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:55:27,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 15:55:27,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:55:27,237 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 15:55:27,237 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069053875] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:55:27,237 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:55:27,237 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-06-05 15:55:27,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814389600] [2021-06-05 15:55:27,238 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 15:55:27,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:55:27,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 15:55:27,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-05 15:55:27,238 INFO L87 Difference]: Start difference. First operand 10754 states and 39200 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:27,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:55:27,402 INFO L93 Difference]: Finished difference Result 14181 states and 49656 transitions. [2021-06-05 15:55:27,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 15:55:27,402 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-05 15:55:27,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:55:27,435 INFO L225 Difference]: With dead ends: 14181 [2021-06-05 15:55:27,435 INFO L226 Difference]: Without dead ends: 14181 [2021-06-05 15:55:27,435 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 40.9ms TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2021-06-05 15:55:27,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14181 states. [2021-06-05 15:55:27,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14181 to 9266. [2021-06-05 15:55:27,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9266 states, 9265 states have (on average 3.6116567728008633) internal successors, (33462), 9265 states have internal predecessors, (33462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:27,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9266 states to 9266 states and 33462 transitions. [2021-06-05 15:55:27,632 INFO L78 Accepts]: Start accepts. Automaton has 9266 states and 33462 transitions. Word has length 35 [2021-06-05 15:55:27,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:55:27,632 INFO L482 AbstractCegarLoop]: Abstraction has 9266 states and 33462 transitions. [2021-06-05 15:55:27,632 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:27,632 INFO L276 IsEmpty]: Start isEmpty. Operand 9266 states and 33462 transitions. [2021-06-05 15:55:27,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 15:55:27,646 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:55:27,646 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:55:27,847 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8144,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:55:27,847 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:55:27,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:55:27,847 INFO L82 PathProgramCache]: Analyzing trace with hash 816089412, now seen corresponding path program 42 times [2021-06-05 15:55:27,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:55:27,847 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246726422] [2021-06-05 15:55:27,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:55:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:55:27,867 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 15:55:27,867 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:55:27,868 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246726422] [2021-06-05 15:55:27,868 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246726422] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:55:27,868 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644957111] [2021-06-05 15:55:27,868 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:55:27,895 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-05 15:55:27,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:55:27,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 15:55:27,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:55:27,930 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 15:55:27,931 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644957111] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:55:27,931 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:55:27,931 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-06-05 15:55:27,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161797457] [2021-06-05 15:55:27,931 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 15:55:27,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:55:27,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 15:55:27,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-05 15:55:27,931 INFO L87 Difference]: Start difference. First operand 9266 states and 33462 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:28,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:55:28,043 INFO L93 Difference]: Finished difference Result 11240 states and 39156 transitions. [2021-06-05 15:55:28,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 15:55:28,044 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-05 15:55:28,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:55:28,063 INFO L225 Difference]: With dead ends: 11240 [2021-06-05 15:55:28,063 INFO L226 Difference]: Without dead ends: 11210 [2021-06-05 15:55:28,064 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 30.2ms TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2021-06-05 15:55:28,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11210 states. [2021-06-05 15:55:28,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11210 to 9142. [2021-06-05 15:55:28,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9142 states, 9141 states have (on average 3.6199540531670498) internal successors, (33090), 9141 states have internal predecessors, (33090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:28,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9142 states to 9142 states and 33090 transitions. [2021-06-05 15:55:28,231 INFO L78 Accepts]: Start accepts. Automaton has 9142 states and 33090 transitions. Word has length 35 [2021-06-05 15:55:28,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:55:28,231 INFO L482 AbstractCegarLoop]: Abstraction has 9142 states and 33090 transitions. [2021-06-05 15:55:28,231 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:28,232 INFO L276 IsEmpty]: Start isEmpty. Operand 9142 states and 33090 transitions. [2021-06-05 15:55:28,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 15:55:28,244 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:55:28,244 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:55:28,445 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8145 [2021-06-05 15:55:28,445 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:55:28,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:55:28,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1386836804, now seen corresponding path program 43 times [2021-06-05 15:55:28,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:55:28,445 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307568563] [2021-06-05 15:55:28,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:55:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:55:28,463 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 15:55:28,463 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:55:28,463 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307568563] [2021-06-05 15:55:28,463 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307568563] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:55:28,463 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313124174] [2021-06-05 15:55:28,463 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:55:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:55:28,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 15:55:28,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:55:28,525 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 15:55:28,525 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313124174] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:55:28,525 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:55:28,526 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-05 15:55:28,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207315214] [2021-06-05 15:55:28,526 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 15:55:28,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:55:28,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 15:55:28,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-05 15:55:28,526 INFO L87 Difference]: Start difference. First operand 9142 states and 33090 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:28,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:55:28,637 INFO L93 Difference]: Finished difference Result 13679 states and 48549 transitions. [2021-06-05 15:55:28,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 15:55:28,638 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-05 15:55:28,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:55:28,665 INFO L225 Difference]: With dead ends: 13679 [2021-06-05 15:55:28,665 INFO L226 Difference]: Without dead ends: 13646 [2021-06-05 15:55:28,665 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 22.3ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-06-05 15:55:28,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13646 states. [2021-06-05 15:55:28,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13646 to 11899. [2021-06-05 15:55:28,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11899 states, 11898 states have (on average 3.6777609682299546) internal successors, (43758), 11898 states have internal predecessors, (43758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:28,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11899 states to 11899 states and 43758 transitions. [2021-06-05 15:55:28,971 INFO L78 Accepts]: Start accepts. Automaton has 11899 states and 43758 transitions. Word has length 35 [2021-06-05 15:55:28,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:55:28,971 INFO L482 AbstractCegarLoop]: Abstraction has 11899 states and 43758 transitions. [2021-06-05 15:55:28,971 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:28,971 INFO L276 IsEmpty]: Start isEmpty. Operand 11899 states and 43758 transitions. [2021-06-05 15:55:28,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 15:55:28,988 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:55:28,988 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:55:29,188 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8146 [2021-06-05 15:55:29,189 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:55:29,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:55:29,189 INFO L82 PathProgramCache]: Analyzing trace with hash -262474712, now seen corresponding path program 44 times [2021-06-05 15:55:29,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:55:29,189 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340792200] [2021-06-05 15:55:29,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:55:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:55:29,206 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 15:55:29,206 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:55:29,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340792200] [2021-06-05 15:55:29,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340792200] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:55:29,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892825675] [2021-06-05 15:55:29,207 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:55:29,234 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:55:29,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:55:29,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 15:55:29,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:55:29,271 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 15:55:29,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892825675] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:55:29,271 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:55:29,271 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-05 15:55:29,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306109423] [2021-06-05 15:55:29,272 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 15:55:29,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:55:29,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 15:55:29,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-05 15:55:29,272 INFO L87 Difference]: Start difference. First operand 11899 states and 43758 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:29,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:55:29,390 INFO L93 Difference]: Finished difference Result 14885 states and 52854 transitions. [2021-06-05 15:55:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 15:55:29,390 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-05 15:55:29,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:55:29,425 INFO L225 Difference]: With dead ends: 14885 [2021-06-05 15:55:29,425 INFO L226 Difference]: Without dead ends: 14885 [2021-06-05 15:55:29,425 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 25.5ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-06-05 15:55:29,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14885 states. [2021-06-05 15:55:29,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14885 to 11952. [2021-06-05 15:55:29,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11952 states, 11951 states have (on average 3.6728307254623043) internal successors, (43894), 11951 states have internal predecessors, (43894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:29,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11952 states to 11952 states and 43894 transitions. [2021-06-05 15:55:29,675 INFO L78 Accepts]: Start accepts. Automaton has 11952 states and 43894 transitions. Word has length 35 [2021-06-05 15:55:29,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:55:29,675 INFO L482 AbstractCegarLoop]: Abstraction has 11952 states and 43894 transitions. [2021-06-05 15:55:29,675 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:29,675 INFO L276 IsEmpty]: Start isEmpty. Operand 11952 states and 43894 transitions. [2021-06-05 15:55:29,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 15:55:29,692 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:55:29,692 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:55:29,892 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8147 [2021-06-05 15:55:29,893 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:55:29,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:55:29,893 INFO L82 PathProgramCache]: Analyzing trace with hash 608820580, now seen corresponding path program 45 times [2021-06-05 15:55:29,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:55:29,893 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004865822] [2021-06-05 15:55:29,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:55:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:55:29,919 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 15:55:29,919 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:55:29,919 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004865822] [2021-06-05 15:55:29,919 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004865822] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:55:29,920 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266149224] [2021-06-05 15:55:29,920 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:55:29,956 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-05 15:55:29,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:55:29,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-05 15:55:29,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:55:30,013 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 [2021-06-05 15:55:30,014 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:30,022 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:55:30,023 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:55:30,023 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:43 [2021-06-05 15:55:30,555 INFO L446 ElimStorePlain]: Different costs {1=[v_C_70], 7=[A, B]} [2021-06-05 15:55:30,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:30,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:55:30,565 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:30,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:30,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:55:30,575 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:30,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:30,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:55:30,584 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:30,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:30,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:55:30,593 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:30,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:30,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:55:30,603 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:30,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:30,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:55:30,612 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:30,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:30,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:55:30,622 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:30,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:30,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:55:30,631 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:30,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:30,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:55:30,641 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:30,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:30,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:55:30,650 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:30,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:30,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:55:30,659 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:30,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:30,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:55:30,669 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:30,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:30,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:55:30,679 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:30,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:30,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 15:55:30,688 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:30,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:30,697 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 [2021-06-05 15:55:30,697 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:30,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:30,704 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 [2021-06-05 15:55:30,705 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:31,037 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-06-05 15:55:31,038 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:55:31,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,075 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:55:31,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 83 [2021-06-05 15:55:31,080 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:31,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,122 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:55:31,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 83 [2021-06-05 15:55:31,127 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:31,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,168 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:55:31,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 83 [2021-06-05 15:55:31,174 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:31,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,215 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:55:31,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 83 [2021-06-05 15:55:31,220 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:31,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,263 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-05 15:55:31,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 55 [2021-06-05 15:55:31,264 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:31,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,322 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-06-05 15:55:31,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 79 [2021-06-05 15:55:31,331 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:31,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,392 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-06-05 15:55:31,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 79 [2021-06-05 15:55:31,398 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:31,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,441 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-05 15:55:31,442 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 55 [2021-06-05 15:55:31,443 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:31,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,489 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-05 15:55:31,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 53 [2021-06-05 15:55:31,490 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:31,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,534 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-05 15:55:31,534 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 53 [2021-06-05 15:55:31,535 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:31,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,590 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-05 15:55:31,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 55 [2021-06-05 15:55:31,592 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:31,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,673 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-06-05 15:55:31,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 79 [2021-06-05 15:55:31,681 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:31,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,744 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-06-05 15:55:31,745 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 79 [2021-06-05 15:55:31,750 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:31,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,798 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-05 15:55:31,799 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 55 [2021-06-05 15:55:31,800 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:31,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,844 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-05 15:55:31,844 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 55 [2021-06-05 15:55:31,845 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:31,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:31,879 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-05 15:55:31,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 53 [2021-06-05 15:55:31,881 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:33,994 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 110 DAG size of output: 103 [2021-06-05 15:55:33,995 INFO L628 ElimStorePlain]: treesize reduction 196, result has 90.1 percent of original size [2021-06-05 15:55:34,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,020 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:55:34,020 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 53 treesize of output 51 [2021-06-05 15:55:34,028 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 3 xjuncts. [2021-06-05 15:55:34,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,069 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:55:34,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 143 [2021-06-05 15:55:34,107 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 3 xjuncts. [2021-06-05 15:55:34,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,137 INFO L354 Elim1Store]: treesize reduction 12, result has 36.8 percent of original size [2021-06-05 15:55:34,137 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 51 treesize of output 39 [2021-06-05 15:55:34,139 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:34,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,170 INFO L354 Elim1Store]: treesize reduction 12, result has 36.8 percent of original size [2021-06-05 15:55:34,170 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 65 treesize of output 47 [2021-06-05 15:55:34,171 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:34,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,211 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:55:34,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 117 treesize of output 121 [2021-06-05 15:55:34,245 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 2 xjuncts. [2021-06-05 15:55:34,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,273 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-05 15:55:34,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 137 treesize of output 1 [2021-06-05 15:55:34,273 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:34,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,297 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-06-05 15:55:34,297 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 65 treesize of output 1 [2021-06-05 15:55:34,297 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:34,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,328 INFO L354 Elim1Store]: treesize reduction 12, result has 36.8 percent of original size [2021-06-05 15:55:34,329 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 53 treesize of output 39 [2021-06-05 15:55:34,330 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:34,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,357 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-05 15:55:34,357 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 145 treesize of output 1 [2021-06-05 15:55:34,358 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:34,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,383 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-06-05 15:55:34,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 85 treesize of output 1 [2021-06-05 15:55:34,384 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:34,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,410 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-06-05 15:55:34,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 153 treesize of output 1 [2021-06-05 15:55:34,410 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:34,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,441 INFO L354 Elim1Store]: treesize reduction 12, result has 36.8 percent of original size [2021-06-05 15:55:34,442 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 63 treesize of output 47 [2021-06-05 15:55:34,443 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:34,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,466 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-06-05 15:55:34,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 1 [2021-06-05 15:55:34,467 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:34,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,493 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-05 15:55:34,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 1 [2021-06-05 15:55:34,494 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:34,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,517 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-06-05 15:55:34,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 153 treesize of output 1 [2021-06-05 15:55:34,518 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:34,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:34,538 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-06-05 15:55:34,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 1 [2021-06-05 15:55:34,538 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:34,805 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 51 [2021-06-05 15:55:34,806 INFO L628 ElimStorePlain]: treesize reduction 599, result has 25.5 percent of original size [2021-06-05 15:55:34,817 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-05 15:55:34,817 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 4 variables, input treesize:1377, output treesize:205 [2021-06-05 15:55:35,839 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 87 [2021-06-05 15:55:36,147 INFO L446 ElimStorePlain]: Different costs {3=[C], 5=[v_prenex_690, v_prenex_691, v_prenex_692]} [2021-06-05 15:55:36,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:36,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:36,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:55:36,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:55:36,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2021-06-05 15:55:36,157 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:36,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:36,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:36,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:55:36,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-05 15:55:36,164 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:36,263 INFO L628 ElimStorePlain]: treesize reduction 141, result has 46.6 percent of original size [2021-06-05 15:55:36,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:36,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:36,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:55:36,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 12 [2021-06-05 15:55:36,269 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:36,304 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:55:36,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:55:36,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:36,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:55:36,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-05 15:55:36,310 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:36,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:55:36,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 12 [2021-06-05 15:55:36,314 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:36,356 INFO L628 ElimStorePlain]: treesize reduction 12, result has 84.0 percent of original size [2021-06-05 15:55:36,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:55:36,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 15:55:36,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 15:55:36,360 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:36,376 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:55:36,378 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 15:55:36,378 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:303, output treesize:5 [2021-06-05 15:55:36,404 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 15:55:36,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266149224] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:55:36,404 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:55:36,404 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14] total 19 [2021-06-05 15:55:36,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241038650] [2021-06-05 15:55:36,405 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 15:55:36,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:55:36,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 15:55:36,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2021-06-05 15:55:36,405 INFO L87 Difference]: Start difference. First operand 11952 states and 43894 transitions. Second operand has 20 states, 20 states have (on average 3.25) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:37,986 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-06-05 15:55:38,512 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-06-05 15:55:39,089 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 92 [2021-06-05 15:55:39,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:55:39,204 INFO L93 Difference]: Finished difference Result 16070 states and 56611 transitions. [2021-06-05 15:55:39,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-05 15:55:39,204 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.25) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-05 15:55:39,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:55:39,236 INFO L225 Difference]: With dead ends: 16070 [2021-06-05 15:55:39,236 INFO L226 Difference]: Without dead ends: 16070 [2021-06-05 15:55:39,236 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 17 SyntacticMatches, 6 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 798 ImplicationChecksByTransitivity, 2741.6ms TimeCoverageRelationStatistics Valid=501, Invalid=2361, Unknown=0, NotChecked=0, Total=2862 [2021-06-05 15:55:39,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16070 states. [2021-06-05 15:55:39,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16070 to 12257. [2021-06-05 15:55:39,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12257 states, 12256 states have (on average 3.662451044386423) internal successors, (44887), 12256 states have internal predecessors, (44887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:39,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12257 states to 12257 states and 44887 transitions. [2021-06-05 15:55:39,476 INFO L78 Accepts]: Start accepts. Automaton has 12257 states and 44887 transitions. Word has length 35 [2021-06-05 15:55:39,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:55:39,476 INFO L482 AbstractCegarLoop]: Abstraction has 12257 states and 44887 transitions. [2021-06-05 15:55:39,477 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.25) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:39,477 INFO L276 IsEmpty]: Start isEmpty. Operand 12257 states and 44887 transitions. [2021-06-05 15:55:39,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 15:55:39,493 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:55:39,493 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:55:39,693 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8148 [2021-06-05 15:55:39,693 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:55:39,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:55:39,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1409293272, now seen corresponding path program 46 times [2021-06-05 15:55:39,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:55:39,694 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444918088] [2021-06-05 15:55:39,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:55:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:55:39,722 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 15:55:39,722 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:55:39,722 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444918088] [2021-06-05 15:55:39,722 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444918088] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:55:39,722 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946795568] [2021-06-05 15:55:39,723 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:55:39,763 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 15:55:39,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:55:39,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 15:55:39,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:55:39,803 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 15:55:39,804 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1946795568] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:55:39,804 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:55:39,804 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-05 15:55:39,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654875861] [2021-06-05 15:55:39,804 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 15:55:39,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:55:39,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 15:55:39,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-06-05 15:55:39,805 INFO L87 Difference]: Start difference. First operand 12257 states and 44887 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:39,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:55:39,949 INFO L93 Difference]: Finished difference Result 15030 states and 53162 transitions. [2021-06-05 15:55:39,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 15:55:39,949 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-05 15:55:39,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:55:39,979 INFO L225 Difference]: With dead ends: 15030 [2021-06-05 15:55:39,979 INFO L226 Difference]: Without dead ends: 15030 [2021-06-05 15:55:39,980 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 50.3ms TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-06-05 15:55:39,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15030 states. [2021-06-05 15:55:40,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15030 to 10901. [2021-06-05 15:55:40,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10901 states, 10900 states have (on average 3.6629357798165136) internal successors, (39926), 10900 states have internal predecessors, (39926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:40,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10901 states to 10901 states and 39926 transitions. [2021-06-05 15:55:40,195 INFO L78 Accepts]: Start accepts. Automaton has 10901 states and 39926 transitions. Word has length 35 [2021-06-05 15:55:40,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:55:40,195 INFO L482 AbstractCegarLoop]: Abstraction has 10901 states and 39926 transitions. [2021-06-05 15:55:40,195 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:40,195 INFO L276 IsEmpty]: Start isEmpty. Operand 10901 states and 39926 transitions. [2021-06-05 15:55:40,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 15:55:40,211 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:55:40,211 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:55:40,412 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8337,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:55:40,412 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:55:40,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:55:40,412 INFO L82 PathProgramCache]: Analyzing trace with hash 642995750, now seen corresponding path program 47 times [2021-06-05 15:55:40,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:55:40,413 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56638613] [2021-06-05 15:55:40,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:55:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:55:40,429 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-06-05 15:55:40,430 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:55:40,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56638613] [2021-06-05 15:55:40,430 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56638613] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:55:40,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618802153] [2021-06-05 15:55:40,430 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:55:40,489 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-05 15:55:40,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:55:40,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 15:55:40,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:55:40,554 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 15:55:40,554 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618802153] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:55:40,554 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:55:40,555 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-06-05 15:55:40,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981779821] [2021-06-05 15:55:40,555 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-05 15:55:40,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:55:40,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-05 15:55:40,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-06-05 15:55:40,555 INFO L87 Difference]: Start difference. First operand 10901 states and 39926 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 8 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:41,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:55:41,229 INFO L93 Difference]: Finished difference Result 28594 states and 103258 transitions. [2021-06-05 15:55:41,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 15:55:41,229 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 8 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 35 [2021-06-05 15:55:41,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:55:41,293 INFO L225 Difference]: With dead ends: 28594 [2021-06-05 15:55:41,293 INFO L226 Difference]: Without dead ends: 28196 [2021-06-05 15:55:41,293 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 268.2ms TimeCoverageRelationStatistics Valid=342, Invalid=1064, Unknown=0, NotChecked=0, Total=1406 [2021-06-05 15:55:41,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28196 states. [2021-06-05 15:55:41,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28196 to 21276. [2021-06-05 15:55:41,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21276 states, 21275 states have (on average 3.745710928319624) internal successors, (79690), 21275 states have internal predecessors, (79690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:41,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21276 states to 21276 states and 79690 transitions. [2021-06-05 15:55:41,750 INFO L78 Accepts]: Start accepts. Automaton has 21276 states and 79690 transitions. Word has length 35 [2021-06-05 15:55:41,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:55:41,751 INFO L482 AbstractCegarLoop]: Abstraction has 21276 states and 79690 transitions. [2021-06-05 15:55:41,751 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 8 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:41,751 INFO L276 IsEmpty]: Start isEmpty. Operand 21276 states and 79690 transitions. [2021-06-05 15:55:41,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 15:55:41,779 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:55:41,779 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:55:41,979 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8338 [2021-06-05 15:55:41,980 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:55:41,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:55:41,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1011563704, now seen corresponding path program 48 times [2021-06-05 15:55:41,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:55:41,980 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291084113] [2021-06-05 15:55:41,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:55:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:55:42,008 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 15:55:42,008 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:55:42,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291084113] [2021-06-05 15:55:42,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291084113] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:55:42,009 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242728664] [2021-06-05 15:55:42,009 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:55:42,036 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-05 15:55:42,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:55:42,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-05 15:55:42,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:55:42,099 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 15:55:42,100 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242728664] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:55:42,100 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:55:42,100 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-06-05 15:55:42,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975496277] [2021-06-05 15:55:42,100 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 15:55:42,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:55:42,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 15:55:42,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-06-05 15:55:42,100 INFO L87 Difference]: Start difference. First operand 21276 states and 79690 transitions. Second operand has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 10 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:42,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:55:42,403 INFO L93 Difference]: Finished difference Result 28808 states and 103693 transitions. [2021-06-05 15:55:42,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 15:55:42,404 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 10 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 15:55:42,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:55:42,468 INFO L225 Difference]: With dead ends: 28808 [2021-06-05 15:55:42,468 INFO L226 Difference]: Without dead ends: 28136 [2021-06-05 15:55:42,469 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 120.7ms TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2021-06-05 15:55:42,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28136 states. [2021-06-05 15:55:42,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28136 to 22706. [2021-06-05 15:55:42,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22706 states, 22705 states have (on average 3.731821184761066) internal successors, (84731), 22705 states have internal predecessors, (84731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:42,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22706 states to 22706 states and 84731 transitions. [2021-06-05 15:55:42,887 INFO L78 Accepts]: Start accepts. Automaton has 22706 states and 84731 transitions. Word has length 36 [2021-06-05 15:55:42,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:55:42,887 INFO L482 AbstractCegarLoop]: Abstraction has 22706 states and 84731 transitions. [2021-06-05 15:55:42,887 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 10 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:42,888 INFO L276 IsEmpty]: Start isEmpty. Operand 22706 states and 84731 transitions. [2021-06-05 15:55:42,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-06-05 15:55:42,922 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:55:42,922 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:55:43,123 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8339,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:55:43,123 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:55:43,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:55:43,123 INFO L82 PathProgramCache]: Analyzing trace with hash 813865004, now seen corresponding path program 49 times [2021-06-05 15:55:43,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:55:43,123 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720958099] [2021-06-05 15:55:43,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:55:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:55:43,150 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-05 15:55:43,150 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:55:43,150 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720958099] [2021-06-05 15:55:43,150 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720958099] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:55:43,150 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550931051] [2021-06-05 15:55:43,150 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:55:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:55:43,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 15:55:43,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:55:43,233 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-05 15:55:43,233 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550931051] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:55:43,233 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 15:55:43,233 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-06-05 15:55:43,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419168443] [2021-06-05 15:55:43,233 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 15:55:43,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 15:55:43,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 15:55:43,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-06-05 15:55:43,234 INFO L87 Difference]: Start difference. First operand 22706 states and 84731 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:44,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 15:55:44,150 INFO L93 Difference]: Finished difference Result 66601 states and 237851 transitions. [2021-06-05 15:55:44,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-05 15:55:44,150 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-06-05 15:55:44,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 15:55:44,313 INFO L225 Difference]: With dead ends: 66601 [2021-06-05 15:55:44,313 INFO L226 Difference]: Without dead ends: 65265 [2021-06-05 15:55:44,314 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 234.9ms TimeCoverageRelationStatistics Valid=456, Invalid=1026, Unknown=0, NotChecked=0, Total=1482 [2021-06-05 15:55:44,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65265 states. [2021-06-05 15:55:44,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65265 to 24174. [2021-06-05 15:55:44,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24174 states, 24173 states have (on average 3.6945352252513133) internal successors, (89308), 24173 states have internal predecessors, (89308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:45,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24174 states to 24174 states and 89308 transitions. [2021-06-05 15:55:45,026 INFO L78 Accepts]: Start accepts. Automaton has 24174 states and 89308 transitions. Word has length 37 [2021-06-05 15:55:45,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 15:55:45,026 INFO L482 AbstractCegarLoop]: Abstraction has 24174 states and 89308 transitions. [2021-06-05 15:55:45,026 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 15:55:45,026 INFO L276 IsEmpty]: Start isEmpty. Operand 24174 states and 89308 transitions. [2021-06-05 15:55:45,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 15:55:45,062 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 15:55:45,062 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 15:55:45,262 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8340 [2021-06-05 15:55:45,262 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 15:55:45,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 15:55:45,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1300156100, now seen corresponding path program 50 times [2021-06-05 15:55:45,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 15:55:45,263 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393175643] [2021-06-05 15:55:45,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 15:55:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 15:55:46,301 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 76 [2021-06-05 15:55:46,725 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 15:55:46,725 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 15:55:46,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393175643] [2021-06-05 15:55:46,725 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393175643] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 15:55:46,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706958993] [2021-06-05 15:55:46,725 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 15:55:46,758 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 15:55:46,758 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 15:55:46,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 42 conjunts are in the unsatisfiable core [2021-06-05 15:55:46,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 15:55:50,136 WARN L205 SmtUtils]: Spent 2.62 s on a formula simplification that was a NOOP. DAG size: 155 [2021-06-05 15:55:54,107 WARN L205 SmtUtils]: Spent 2.84 s on a formula simplification that was a NOOP. DAG size: 903 [2021-06-05 15:55:56,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:56,381 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:56,432 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 [2021-06-05 15:55:56,433 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:56,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:56,477 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:56,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:56,520 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:56,570 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 [2021-06-05 15:55:56,570 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:56,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:56,635 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:56,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:56,681 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:56,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:56,729 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:56,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:56,777 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:56,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:56,827 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:56,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:56,893 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:56,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:56,936 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:56,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:56,989 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:57,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:57,026 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:57,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:57,058 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:57,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:57,101 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:57,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:57,133 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:57,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:57,165 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:57,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:57,211 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:57,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:57,246 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:57,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:57,286 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:57,322 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 18 treesize of output 17 [2021-06-05 15:55:57,323 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:57,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:57,375 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:57,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:57,419 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:57,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:57,471 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:57,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:57,516 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:57,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:57,558 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:57,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:57,604 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:57,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:57,646 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:57,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:57,701 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:57,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:57,756 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:57,804 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 [2021-06-05 15:55:57,805 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:57,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:57,862 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:57,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:57,911 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:57,962 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 [2021-06-05 15:55:57,963 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:58,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:58,009 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:58,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:58,061 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:58,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:58,123 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:58,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:58,185 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:58,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:58,239 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:58,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:58,290 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:58,341 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 18 treesize of output 17 [2021-06-05 15:55:58,342 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:58,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:58,398 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:58,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:58,456 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:58,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:58,513 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:58,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:58,580 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:58,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:58,638 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:58,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:58,697 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:58,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:58,764 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:58,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:58,824 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:58,884 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 [2021-06-05 15:55:58,885 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:58,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:58,946 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:59,007 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 [2021-06-05 15:55:59,007 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:59,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:59,071 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:59,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:59,143 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:59,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:59,205 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:59,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:59,266 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:59,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:59,331 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:59,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:59,426 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:59,493 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 [2021-06-05 15:55:59,493 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:59,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:59,562 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:59,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:59,630 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:59,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:59,698 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-05 15:55:59,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 15:55:59,771 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:02,871 WARN L205 SmtUtils]: Spent 3.10 s on a formula simplification that was a NOOP. DAG size: 783 [2021-06-05 15:56:02,872 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:56:02,986 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 1 dim-1 vars, End of recursive call: 64 dim-0 vars, and 64 xjuncts. [2021-06-05 15:56:02,986 INFO L247 ElimStorePlain]: Needed 65 recursive calls to eliminate 65 variables, input treesize:6017, output treesize:5953 [2021-06-05 15:56:07,039 WARN L205 SmtUtils]: Spent 3.11 s on a formula simplification that was a NOOP. DAG size: 911 [2021-06-05 15:56:08,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:08,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:08,200 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:08,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:08,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:08,252 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:08,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:08,310 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 36 treesize of output 38 [2021-06-05 15:56:08,311 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:08,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:08,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:08,361 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:08,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:08,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:08,399 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:08,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:08,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:08,437 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:08,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:08,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:08,475 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:08,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:08,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:08,514 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:08,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:08,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:08,553 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:08,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:08,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:08,594 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:08,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:08,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:08,634 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:08,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:08,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:08,694 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:08,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:08,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:08,753 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:08,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:08,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:08,811 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:08,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:08,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:08,860 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:08,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:08,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:08,920 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:08,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:08,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:08,972 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:09,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:09,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:09,020 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:09,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:09,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:09,068 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:09,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:09,119 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 36 treesize of output 38 [2021-06-05 15:56:09,120 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:09,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:09,172 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 [2021-06-05 15:56:09,173 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:09,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:09,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:09,237 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:09,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:09,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:09,291 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:09,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:09,346 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 36 treesize of output 38 [2021-06-05 15:56:09,347 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:09,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:09,401 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 36 treesize of output 38 [2021-06-05 15:56:09,402 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:09,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:09,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:09,470 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:09,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:09,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:09,529 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:09,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:09,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:09,598 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:09,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:09,660 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 36 treesize of output 38 [2021-06-05 15:56:09,661 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:09,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:09,723 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 36 treesize of output 38 [2021-06-05 15:56:09,723 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:09,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:09,787 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 36 treesize of output 38 [2021-06-05 15:56:09,788 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:09,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:09,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:09,853 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:09,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:09,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:09,909 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:09,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:09,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:09,979 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:10,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:10,041 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 36 treesize of output 38 [2021-06-05 15:56:10,042 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:10,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:10,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:10,105 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:10,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:10,164 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 [2021-06-05 15:56:10,165 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:10,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:10,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:10,232 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:10,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:10,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:10,297 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:10,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:10,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:10,358 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:10,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:10,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:10,424 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:10,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:10,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:10,499 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:10,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:10,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:10,576 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:10,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:10,653 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 [2021-06-05 15:56:10,654 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:10,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:10,732 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 [2021-06-05 15:56:10,732 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:10,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:10,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:10,812 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:10,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:10,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:10,883 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:10,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:10,948 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 36 treesize of output 38 [2021-06-05 15:56:10,949 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:11,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:11,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:11,030 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:11,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:11,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:11,103 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:11,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:11,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:11,171 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:11,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:11,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:11,239 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:11,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:11,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:11,308 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:11,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:11,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:11,385 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:11,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:11,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:11,462 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:11,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:11,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:11,538 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:11,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:11,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:11,611 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:11,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:11,705 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 36 treesize of output 38 [2021-06-05 15:56:11,706 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:11,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:11,782 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 36 treesize of output 38 [2021-06-05 15:56:11,783 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:11,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:11,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:11,862 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:11,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:11,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:11,941 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:12,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:12,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:12,015 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:12,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:12,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:12,090 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:12,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 15:56:12,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 15:56:12,224 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:15,643 WARN L205 SmtUtils]: Spent 3.42 s on a formula simplification that was a NOOP. DAG size: 790 [2021-06-05 15:56:15,644 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:56:15,762 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 1 dim-1 vars, End of recursive call: 64 dim-0 vars, and 64 xjuncts. [2021-06-05 15:56:15,763 INFO L247 ElimStorePlain]: Needed 65 recursive calls to eliminate 65 variables, input treesize:7105, output treesize:7041 [2021-06-05 15:56:20,353 WARN L205 SmtUtils]: Spent 3.72 s on a formula simplification that was a NOOP. DAG size: 918 [2021-06-05 15:56:22,353 INFO L446 ElimStorePlain]: Different costs {0=[v_C_73, v_prenex_882, v_prenex_762, v_prenex_840, v_prenex_885, v_prenex_765, v_prenex_843, v_prenex_834, v_prenex_758, v_prenex_912, v_prenex_879, v_prenex_759, v_prenex_837, v_prenex_915, v_prenex_918, v_prenex_792, v_prenex_870, v_prenex_795, v_prenex_873, v_prenex_831, v_prenex_798, v_prenex_876, v_prenex_822, v_prenex_789, v_prenex_867, v_prenex_900, v_prenex_825, v_prenex_903, v_prenex_828, v_prenex_906, v_prenex_909, v_prenex_780, v_prenex_783, v_prenex_861, v_prenex_786, v_prenex_864, v_prenex_942, v_prenex_855, v_prenex_933, v_prenex_813, v_prenex_858, v_prenex_936, v_prenex_816, v_prenex_939, v_prenex_819, v_prenex_891, v_prenex_771, v_prenex_894, v_prenex_774, v_prenex_852, v_prenex_930, v_prenex_897, v_prenex_777, v_prenex_810, v_prenex_888, v_prenex_921, v_prenex_768, v_prenex_801, v_prenex_846, v_prenex_924, v_prenex_804, v_prenex_849, v_prenex_927, v_prenex_807], 4=[v_prenex_880, v_prenex_760, v_prenex_881, v_prenex_761, v_prenex_883, v_prenex_763, v_prenex_884, v_prenex_764, v_prenex_886, v_prenex_920, v_prenex_766, v_prenex_887, v_prenex_756, v_prenex_877, v_prenex_910, v_prenex_757, v_prenex_878, v_prenex_911, v_prenex_913, v_prenex_914, v_prenex_916, v_prenex_917, v_prenex_919, v_prenex_871, v_prenex_872, v_prenex_874, v_prenex_875, v_prenex_866, v_prenex_868, v_prenex_901, v_prenex_869, v_prenex_902, v_prenex_904, v_prenex_905, v_prenex_907, v_prenex_908, v_prenex_860, v_prenex_862, v_prenex_863, v_prenex_865, v_prenex_856, v_prenex_857, v_prenex_859, v_prenex_850, v_prenex_851, v_prenex_853, v_prenex_854, v_prenex_844, v_prenex_845, v_prenex_847, v_prenex_848, v_prenex_841, v_prenex_842, v_prenex_833, v_prenex_835, v_prenex_836, v_prenex_838, v_prenex_839, v_prenex_790, v_prenex_791, v_prenex_793, v_prenex_794, v_prenex_796, v_prenex_797, v_prenex_830, v_prenex_832, v_prenex_799, v_prenex_943, v_prenex_823, v_prenex_944, v_prenex_824, v_prenex_826, v_prenex_827, v_prenex_829, v_prenex_781, v_prenex_782, v_prenex_784, v_prenex_785, v_prenex_940, v_prenex_941, v_prenex_787, v_prenex_820, v_prenex_788, v_prenex_821, v_prenex_932, v_prenex_899, v_prenex_778, v_prenex_811, v_prenex_779, v_prenex_812, v_prenex_934, v_prenex_814, v_prenex_935, v_prenex_815, v_prenex_937, v_prenex_938, v_prenex_817, v_prenex_818, v_prenex_890, v_prenex_770, v_prenex_892, v_prenex_893, v_prenex_772, v_prenex_773, v_prenex_895, v_prenex_896, v_prenex_775, v_prenex_776, v_prenex_931, v_prenex_898, v_prenex_767, v_prenex_800, v_prenex_889, A, v_prenex_922, v_prenex_769, v_prenex_802, B, v_prenex_923, v_prenex_803, v_prenex_925, v_prenex_805, v_prenex_926, v_prenex_806, v_prenex_928, v_prenex_929, v_prenex_808, v_prenex_809]} [2021-06-05 15:56:22,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:56:22,472 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:30,355 WARN L205 SmtUtils]: Spent 7.88 s on a formula simplification that was a NOOP. DAG size: 2446 [2021-06-05 15:56:30,357 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:56:30,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:56:30,474 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:38,203 WARN L205 SmtUtils]: Spent 7.73 s on a formula simplification that was a NOOP. DAG size: 2442 [2021-06-05 15:56:38,204 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:56:38,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:56:38,329 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:46,288 WARN L205 SmtUtils]: Spent 7.96 s on a formula simplification that was a NOOP. DAG size: 2438 [2021-06-05 15:56:46,289 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:56:46,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:56:46,418 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 15:56:54,292 WARN L205 SmtUtils]: Spent 7.87 s on a formula simplification that was a NOOP. DAG size: 2434 [2021-06-05 15:56:54,293 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:56:54,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:56:54,421 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 15:57:02,312 WARN L205 SmtUtils]: Spent 7.89 s on a formula simplification that was a NOOP. DAG size: 2430 [2021-06-05 15:57:02,313 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:57:02,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:57:02,437 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 15:57:10,624 WARN L205 SmtUtils]: Spent 8.19 s on a formula simplification that was a NOOP. DAG size: 2426 [2021-06-05 15:57:10,625 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:57:10,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:57:10,748 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 15:57:18,412 WARN L205 SmtUtils]: Spent 7.66 s on a formula simplification that was a NOOP. DAG size: 2422 [2021-06-05 15:57:18,414 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:57:18,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:57:18,537 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 15:57:26,247 WARN L205 SmtUtils]: Spent 7.71 s on a formula simplification that was a NOOP. DAG size: 2418 [2021-06-05 15:57:26,248 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:57:26,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:57:26,375 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 15:57:33,875 WARN L205 SmtUtils]: Spent 7.50 s on a formula simplification that was a NOOP. DAG size: 2414 [2021-06-05 15:57:33,877 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:57:34,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:57:34,040 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 15:57:41,517 WARN L205 SmtUtils]: Spent 7.48 s on a formula simplification that was a NOOP. DAG size: 2410 [2021-06-05 15:57:41,519 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:57:41,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:57:41,638 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 15:57:49,264 WARN L205 SmtUtils]: Spent 7.62 s on a formula simplification that was a NOOP. DAG size: 2406 [2021-06-05 15:57:49,265 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:57:49,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:57:49,388 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 15:57:56,994 WARN L205 SmtUtils]: Spent 7.60 s on a formula simplification that was a NOOP. DAG size: 2402 [2021-06-05 15:57:56,995 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:57:57,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:57:57,114 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 15:58:04,483 WARN L205 SmtUtils]: Spent 7.37 s on a formula simplification that was a NOOP. DAG size: 2398 [2021-06-05 15:58:04,485 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:58:04,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:58:04,606 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 15:58:12,182 WARN L205 SmtUtils]: Spent 7.57 s on a formula simplification that was a NOOP. DAG size: 2394 [2021-06-05 15:58:12,183 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:58:12,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:58:12,304 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 15:58:19,694 WARN L205 SmtUtils]: Spent 7.39 s on a formula simplification that was a NOOP. DAG size: 2390 [2021-06-05 15:58:19,695 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:58:19,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:58:19,815 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 15:58:27,218 WARN L205 SmtUtils]: Spent 7.40 s on a formula simplification that was a NOOP. DAG size: 2386 [2021-06-05 15:58:27,220 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:58:27,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:58:27,355 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 15:58:34,877 WARN L205 SmtUtils]: Spent 7.52 s on a formula simplification that was a NOOP. DAG size: 2382 [2021-06-05 15:58:34,878 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:58:34,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:58:34,997 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 15:58:42,634 WARN L205 SmtUtils]: Spent 7.64 s on a formula simplification that was a NOOP. DAG size: 2378 [2021-06-05 15:58:42,635 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:58:42,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:58:42,760 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 15:58:50,285 WARN L205 SmtUtils]: Spent 7.52 s on a formula simplification that was a NOOP. DAG size: 2374 [2021-06-05 15:58:50,286 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:58:50,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:58:50,404 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 15:58:57,829 WARN L205 SmtUtils]: Spent 7.42 s on a formula simplification that was a NOOP. DAG size: 2370 [2021-06-05 15:58:57,830 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:58:57,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:58:57,953 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 15:59:05,270 WARN L205 SmtUtils]: Spent 7.31 s on a formula simplification that was a NOOP. DAG size: 2366 [2021-06-05 15:59:05,271 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:59:05,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:59:05,401 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 15:59:12,717 WARN L205 SmtUtils]: Spent 7.32 s on a formula simplification that was a NOOP. DAG size: 2362 [2021-06-05 15:59:12,719 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:59:12,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:59:12,839 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 15:59:20,330 WARN L205 SmtUtils]: Spent 7.49 s on a formula simplification that was a NOOP. DAG size: 2358 [2021-06-05 15:59:20,331 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:59:20,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:59:20,451 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 15:59:27,825 WARN L205 SmtUtils]: Spent 7.37 s on a formula simplification that was a NOOP. DAG size: 2354 [2021-06-05 15:59:27,826 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:59:27,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:59:27,947 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 15:59:35,265 WARN L205 SmtUtils]: Spent 7.32 s on a formula simplification that was a NOOP. DAG size: 2350 [2021-06-05 15:59:35,267 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:59:35,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:59:35,388 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 15:59:42,752 WARN L205 SmtUtils]: Spent 7.36 s on a formula simplification that was a NOOP. DAG size: 2346 [2021-06-05 15:59:42,753 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:59:42,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:59:42,872 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 15:59:50,413 WARN L205 SmtUtils]: Spent 7.54 s on a formula simplification that was a NOOP. DAG size: 2342 [2021-06-05 15:59:50,414 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:59:50,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:59:50,540 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 15:59:57,932 WARN L205 SmtUtils]: Spent 7.39 s on a formula simplification that was a NOOP. DAG size: 2338 [2021-06-05 15:59:57,933 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 15:59:58,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 15:59:58,050 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 16:00:05,862 WARN L205 SmtUtils]: Spent 7.81 s on a formula simplification that was a NOOP. DAG size: 2334 [2021-06-05 16:00:05,863 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 16:00:05,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 16:00:05,989 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 16:00:13,637 WARN L205 SmtUtils]: Spent 7.65 s on a formula simplification that was a NOOP. DAG size: 2330 [2021-06-05 16:00:13,638 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 16:00:13,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 16:00:13,755 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 16:00:21,448 WARN L205 SmtUtils]: Spent 7.69 s on a formula simplification that was a NOOP. DAG size: 2326 [2021-06-05 16:00:21,449 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 16:00:21,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 16:00:21,584 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 16:00:29,135 WARN L205 SmtUtils]: Spent 7.55 s on a formula simplification that was a NOOP. DAG size: 2322 [2021-06-05 16:00:29,136 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 16:00:29,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 16:00:29,260 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 16:00:36,860 WARN L205 SmtUtils]: Spent 7.60 s on a formula simplification that was a NOOP. DAG size: 2318 [2021-06-05 16:00:36,861 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 16:00:36,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 16:00:36,987 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 16:00:44,612 WARN L205 SmtUtils]: Spent 7.62 s on a formula simplification that was a NOOP. DAG size: 2314 [2021-06-05 16:00:44,613 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 16:00:44,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 16:00:44,733 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 16:00:52,246 WARN L205 SmtUtils]: Spent 7.51 s on a formula simplification that was a NOOP. DAG size: 2310 [2021-06-05 16:00:52,247 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 16:00:52,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 16:00:52,367 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 16:00:59,901 WARN L205 SmtUtils]: Spent 7.53 s on a formula simplification that was a NOOP. DAG size: 2306 [2021-06-05 16:00:59,902 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 16:01:00,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 16:01:00,021 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 16:01:07,904 WARN L205 SmtUtils]: Spent 7.88 s on a formula simplification that was a NOOP. DAG size: 2302 [2021-06-05 16:01:07,905 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 16:01:08,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 16:01:08,029 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 16:01:15,319 WARN L205 SmtUtils]: Spent 7.29 s on a formula simplification that was a NOOP. DAG size: 2298 [2021-06-05 16:01:15,322 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 16:01:15,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 16:01:15,442 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 16:01:23,105 WARN L205 SmtUtils]: Spent 7.66 s on a formula simplification that was a NOOP. DAG size: 2294 [2021-06-05 16:01:23,106 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 16:01:23,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 16:01:23,222 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 16:01:30,455 WARN L205 SmtUtils]: Spent 7.23 s on a formula simplification that was a NOOP. DAG size: 2290 [2021-06-05 16:01:30,457 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 16:01:30,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 16:01:30,580 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 16:01:38,122 WARN L205 SmtUtils]: Spent 7.54 s on a formula simplification that was a NOOP. DAG size: 2286 [2021-06-05 16:01:38,123 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 16:01:38,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 16:01:38,242 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 16:01:45,461 WARN L205 SmtUtils]: Spent 7.22 s on a formula simplification that was a NOOP. DAG size: 2282 [2021-06-05 16:01:45,462 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 16:01:45,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 16:01:45,582 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 16:01:52,811 WARN L205 SmtUtils]: Spent 7.23 s on a formula simplification that was a NOOP. DAG size: 2278 [2021-06-05 16:01:52,812 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 16:01:52,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 16:01:52,929 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. Received shutdown request... [2021-06-05 16:01:56,122 WARN L222 SmtUtils]: Removed 48 from assertion stack [2021-06-05 16:01:56,322 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8341 [2021-06-05 16:01:56,322 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-05 16:01:56,324 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 16:01:56,326 WARN L196 ceAbstractionStarter]: Timeout [2021-06-05 16:01:56,326 INFO L202 PluginConnector]: Adding new model three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 04:01:56 BasicIcfg [2021-06-05 16:01:56,326 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 16:01:56,326 INFO L168 Benchmark]: Toolchain (without parser) took 780994.02 ms. Allocated memory was 339.7 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 319.3 MB in the beginning and 1.2 GB in the end (delta: -852.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 16.0 GB. [2021-06-05 16:01:56,326 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 339.7 MB. Free memory was 320.5 MB in the beginning and 320.4 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 16:01:56,326 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.86 ms. Allocated memory is still 339.7 MB. Free memory was 319.2 MB in the beginning and 317.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 16:01:56,326 INFO L168 Benchmark]: Boogie Preprocessor took 18.69 ms. Allocated memory is still 339.7 MB. Free memory was 317.7 MB in the beginning and 316.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 16:01:56,327 INFO L168 Benchmark]: RCFGBuilder took 291.89 ms. Allocated memory is still 339.7 MB. Free memory was 316.6 MB in the beginning and 302.2 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-05 16:01:56,327 INFO L168 Benchmark]: TraceAbstraction took 780654.06 ms. Allocated memory was 339.7 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 301.8 MB in the beginning and 1.2 GB in the end (delta: -870.0 MB). Peak memory consumption was 1.5 GB. Max. memory is 16.0 GB. [2021-06-05 16:01:56,327 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 0.14 ms. Allocated memory is still 339.7 MB. Free memory was 320.5 MB in the beginning and 320.4 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.86 ms. Allocated memory is still 339.7 MB. Free memory was 319.2 MB in the beginning and 317.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 18.69 ms. Allocated memory is still 339.7 MB. Free memory was 317.7 MB in the beginning and 316.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 291.89 ms. Allocated memory is still 339.7 MB. Free memory was 316.6 MB in the beginning and 302.2 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 780654.06 ms. Allocated memory was 339.7 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 301.8 MB in the beginning and 1.2 GB in the end (delta: -870.0 MB). Peak memory consumption was 1.5 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) 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 2274 for 3187ms.. - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) 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 2274 for 3187ms.. - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) 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 2274 for 3187ms.. - 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 2274 for 3187ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 780523.4ms, OverallIterations: 55, TraceHistogramMax: 3, EmptinessCheckTime: 577.7ms, AutomataDifference: 84338.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 25.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2198 SDtfs, 10845 SDslu, 14014 SDs, 0 SdLazy, 30693 SolverSat, 2048 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 21697.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2756 GetRequests, 1249 SyntacticMatches, 15 SemanticMatches, 1492 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16999 ImplicationChecksByTransitivity, 94006.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=24174occurred in iteration=54, InterpolantAutomatonStates: 1184, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 7455.2ms AutomataMinimizationTime, 54 MinimizatonAttempts, 166822 StatesRemovedByMinimization, 54 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 218.2ms SsaConstructionTime, 1293.0ms SatisfiabilityAnalysisTime, 304200.8ms InterpolantComputationTime, 3279 NumberOfCodeBlocks, 3271 NumberOfCodeBlocksAsserted, 169 NumberOfCheckSat, 3177 ConstructedInterpolants, 55 QuantifiedInterpolants, 138043 SizeOfPredicates, 143 NumberOfNonLiveVariables, 4122 ConjunctsInSsa, 956 ConjunctsInUnsatCore, 102 InterpolantComputations, 6 PerfectInterpolantSequences, 397/1282 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