/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 18:12:08,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 18:12:08,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 18:12:08,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-09 18:12:08,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-09 18:12:08,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-09 18:12:08,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-09 18:12:08,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-09 18:12:08,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-09 18:12:08,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-09 18:12:08,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-09 18:12:08,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-09 18:12:08,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-09 18:12:08,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-09 18:12:08,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-09 18:12:08,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-09 18:12:08,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-09 18:12:08,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-09 18:12:08,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-09 18:12:08,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-09 18:12:08,309 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-07-09 18:12:08,340 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 18:12:08,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 18:12:08,341 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-09 18:12:08,341 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-09 18:12:08,343 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 18:12:08,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 18:12:08,343 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 18:12:08,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 18:12:08,343 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 18:12:08,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 18:12:08,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 18:12:08,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 18:12:08,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 18:12:08,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 18:12:08,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 18:12:08,345 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 18:12:08,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 18:12:08,345 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 18:12:08,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 18:12:08,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 18:12:08,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 18:12:08,345 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 18:12:08,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 18:12:08,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 18:12:08,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 18:12:08,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 18:12:08,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 18:12:08,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 18:12:08,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 18:12:08,346 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 18:12:08,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 18:12:08,346 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 18:12:08,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 18:12:08,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 18:12:08,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 18:12:08,641 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-09 18:12:08,642 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-09 18:12:08,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl [2021-07-09 18:12:08,643 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl' [2021-07-09 18:12:08,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 18:12:08,682 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-09 18:12:08,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 18:12:08,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 18:12:08,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 18:12:08,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 06:12:08" (1/1) ... [2021-07-09 18:12:08,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 06:12:08" (1/1) ... [2021-07-09 18:12:08,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 18:12:08,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 18:12:08,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 18:12:08,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 18:12:08,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 06:12:08" (1/1) ... [2021-07-09 18:12:08,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 06:12:08" (1/1) ... [2021-07-09 18:12:08,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 06:12:08" (1/1) ... [2021-07-09 18:12:08,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 06:12:08" (1/1) ... [2021-07-09 18:12:08,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 06:12:08" (1/1) ... [2021-07-09 18:12:08,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 06:12:08" (1/1) ... [2021-07-09 18:12:08,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 06:12:08" (1/1) ... [2021-07-09 18:12:08,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 18:12:08,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 18:12:08,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 18:12:08,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 18:12:08,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 06:12:08" (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 [2021-07-09 18:12:08,781 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-09 18:12:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-09 18:12:08,781 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-09 18:12:08,781 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-09 18:12:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-09 18:12:08,781 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-09 18:12:08,782 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-09 18:12:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 18:12:08,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 18:12:08,782 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-09 18:12:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-09 18:12:08,782 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-09 18:12:08,783 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-09 18:12:08,978 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 18:12:08,979 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-09 18:12:08,980 INFO L202 PluginConnector]: Adding new model three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 06:12:08 BoogieIcfgContainer [2021-07-09 18:12:08,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 18:12:08,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 18:12:08,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 18:12:08,983 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 18:12:08,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 06:12:08" (1/2) ... [2021-07-09 18:12:08,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b08444e and model type three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 06:12:08, skipping insertion in model container [2021-07-09 18:12:08,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 06:12:08" (2/2) ... [2021-07-09 18:12:08,985 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-min.wvr.bpl [2021-07-09 18:12:08,988 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 18:12:08,988 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 18:12:08,988 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-09 18:12:08,989 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 18:12:09,014 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-09 18:12:09,028 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-07-09 18:12:09,039 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 18:12:09,039 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 18:12:09,039 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 18:12:09,039 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 18:12:09,039 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 18:12:09,039 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 18:12:09,040 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 18:12:09,040 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 18:12:09,045 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 32 transitions, 88 flow [2021-07-09 18:12:09,066 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 134 states, 133 states have (on average 2.9774436090225564) internal successors, (396), 133 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:12:09,068 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 133 states have (on average 2.9774436090225564) internal successors, (396), 133 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:12:09,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-07-09 18:12:09,075 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:12:09,076 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 18:12:09,076 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:12:09,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:12:09,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1734431870, now seen corresponding path program 1 times [2021-07-09 18:12:09,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:12:09,098 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666812391] [2021-07-09 18:12:09,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:12:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:12:09,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:12:09,286 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:12:09,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666812391] [2021-07-09 18:12:09,286 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666812391] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 18:12:09,286 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 18:12:09,286 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-09 18:12:09,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24205383] [2021-07-09 18:12:09,290 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-09 18:12:09,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:12:09,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-09 18:12:09,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-09 18:12:09,307 INFO L87 Difference]: Start difference. First operand has 134 states, 133 states have (on average 2.9774436090225564) internal successors, (396), 133 states have internal predecessors, (396), 0 states have call successors, (0), 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) [2021-07-09 18:12:09,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:12:09,391 INFO L93 Difference]: Finished difference Result 474 states and 1450 transitions. [2021-07-09 18:12:09,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 18:12:09,393 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 [2021-07-09 18:12:09,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:12:09,410 INFO L225 Difference]: With dead ends: 474 [2021-07-09 18:12:09,411 INFO L226 Difference]: Without dead ends: 388 [2021-07-09 18:12:09,414 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 45.0ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-07-09 18:12:09,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2021-07-09 18:12:09,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 176. [2021-07-09 18:12:09,452 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) [2021-07-09 18:12:09,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 541 transitions. [2021-07-09 18:12:09,454 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 541 transitions. Word has length 19 [2021-07-09 18:12:09,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:12:09,454 INFO L482 AbstractCegarLoop]: Abstraction has 176 states and 541 transitions. [2021-07-09 18:12:09,455 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) [2021-07-09 18:12:09,455 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 541 transitions. [2021-07-09 18:12:09,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-07-09 18:12:09,456 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:12:09,456 INFO L508 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] [2021-07-09 18:12:09,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-09 18:12:09,456 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:12:09,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:12:09,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1465060434, now seen corresponding path program 1 times [2021-07-09 18:12:09,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:12:09,457 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549858156] [2021-07-09 18:12:09,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:12:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:12:09,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:12:09,483 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:12:09,483 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549858156] [2021-07-09 18:12:09,483 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549858156] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 18:12:09,483 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 18:12:09,483 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-09 18:12:09,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014075576] [2021-07-09 18:12:09,484 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-09 18:12:09,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:12:09,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-09 18:12:09,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-09 18:12:09,485 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) [2021-07-09 18:12:09,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:12:09,529 INFO L93 Difference]: Finished difference Result 346 states and 1050 transitions. [2021-07-09 18:12:09,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 18:12:09,529 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 [2021-07-09 18:12:09,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:12:09,531 INFO L225 Difference]: With dead ends: 346 [2021-07-09 18:12:09,531 INFO L226 Difference]: Without dead ends: 323 [2021-07-09 18:12:09,532 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-09 18:12:09,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2021-07-09 18:12:09,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 253. [2021-07-09 18:12:09,543 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) [2021-07-09 18:12:09,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 792 transitions. [2021-07-09 18:12:09,545 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 792 transitions. Word has length 22 [2021-07-09 18:12:09,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:12:09,545 INFO L482 AbstractCegarLoop]: Abstraction has 253 states and 792 transitions. [2021-07-09 18:12:09,545 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) [2021-07-09 18:12:09,545 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 792 transitions. [2021-07-09 18:12:09,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-07-09 18:12:09,547 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:12:09,547 INFO L508 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] [2021-07-09 18:12:09,547 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-09 18:12:09,548 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:12:09,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:12:09,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1960572944, now seen corresponding path program 2 times [2021-07-09 18:12:09,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:12:09,548 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875405508] [2021-07-09 18:12:09,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:12:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:12:09,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:12:09,575 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:12:09,575 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875405508] [2021-07-09 18:12:09,576 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875405508] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 18:12:09,576 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 18:12:09,576 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-09 18:12:09,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427082676] [2021-07-09 18:12:09,576 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-09 18:12:09,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:12:09,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-09 18:12:09,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-09 18:12:09,577 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) [2021-07-09 18:12:09,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:12:09,621 INFO L93 Difference]: Finished difference Result 495 states and 1542 transitions. [2021-07-09 18:12:09,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 18:12:09,622 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 [2021-07-09 18:12:09,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:12:09,624 INFO L225 Difference]: With dead ends: 495 [2021-07-09 18:12:09,624 INFO L226 Difference]: Without dead ends: 472 [2021-07-09 18:12:09,625 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-09 18:12:09,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2021-07-09 18:12:09,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 304. [2021-07-09 18:12:09,636 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) [2021-07-09 18:12:09,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 995 transitions. [2021-07-09 18:12:09,637 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 995 transitions. Word has length 22 [2021-07-09 18:12:09,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:12:09,638 INFO L482 AbstractCegarLoop]: Abstraction has 304 states and 995 transitions. [2021-07-09 18:12:09,638 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) [2021-07-09 18:12:09,638 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 995 transitions. [2021-07-09 18:12:09,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-07-09 18:12:09,639 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:12:09,639 INFO L508 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] [2021-07-09 18:12:09,640 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-09 18:12:09,640 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:12:09,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:12:09,640 INFO L82 PathProgramCache]: Analyzing trace with hash -515537296, now seen corresponding path program 3 times [2021-07-09 18:12:09,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:12:09,641 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233361670] [2021-07-09 18:12:09,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:12:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:12:09,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:12:09,660 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:12:09,661 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233361670] [2021-07-09 18:12:09,661 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233361670] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 18:12:09,661 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 18:12:09,661 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-09 18:12:09,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857980251] [2021-07-09 18:12:09,661 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-09 18:12:09,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:12:09,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-09 18:12:09,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-09 18:12:09,662 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) [2021-07-09 18:12:09,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:12:09,697 INFO L93 Difference]: Finished difference Result 348 states and 1103 transitions. [2021-07-09 18:12:09,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 18:12:09,697 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 [2021-07-09 18:12:09,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:12:09,699 INFO L225 Difference]: With dead ends: 348 [2021-07-09 18:12:09,699 INFO L226 Difference]: Without dead ends: 348 [2021-07-09 18:12:09,700 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-09 18:12:09,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2021-07-09 18:12:09,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 296. [2021-07-09 18:12:09,706 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) [2021-07-09 18:12:09,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 935 transitions. [2021-07-09 18:12:09,707 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 935 transitions. Word has length 22 [2021-07-09 18:12:09,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:12:09,707 INFO L482 AbstractCegarLoop]: Abstraction has 296 states and 935 transitions. [2021-07-09 18:12:09,707 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) [2021-07-09 18:12:09,708 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 935 transitions. [2021-07-09 18:12:09,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-09 18:12:09,708 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:12:09,709 INFO L508 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] [2021-07-09 18:12:09,709 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-09 18:12:09,709 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:12:09,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:12:09,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1889068504, now seen corresponding path program 1 times [2021-07-09 18:12:09,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:12:09,709 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504243896] [2021-07-09 18:12:09,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:12:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:12:09,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 18:12:09,734 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:12:09,734 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504243896] [2021-07-09 18:12:09,734 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504243896] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 18:12:09,734 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 18:12:09,734 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-09 18:12:09,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620087727] [2021-07-09 18:12:09,734 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-09 18:12:09,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:12:09,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-09 18:12:09,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-09 18:12:09,735 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) [2021-07-09 18:12:09,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:12:09,768 INFO L93 Difference]: Finished difference Result 309 states and 971 transitions. [2021-07-09 18:12:09,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 18:12:09,768 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 [2021-07-09 18:12:09,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:12:09,770 INFO L225 Difference]: With dead ends: 309 [2021-07-09 18:12:09,770 INFO L226 Difference]: Without dead ends: 309 [2021-07-09 18:12:09,770 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-09 18:12:09,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-07-09 18:12:09,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 256. [2021-07-09 18:12:09,775 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) [2021-07-09 18:12:09,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 800 transitions. [2021-07-09 18:12:09,776 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 800 transitions. Word has length 24 [2021-07-09 18:12:09,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:12:09,776 INFO L482 AbstractCegarLoop]: Abstraction has 256 states and 800 transitions. [2021-07-09 18:12:09,776 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) [2021-07-09 18:12:09,776 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 800 transitions. [2021-07-09 18:12:09,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-09 18:12:09,777 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:12:09,777 INFO L508 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] [2021-07-09 18:12:09,777 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-09 18:12:09,777 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:12:09,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:12:09,778 INFO L82 PathProgramCache]: Analyzing trace with hash 55067308, now seen corresponding path program 1 times [2021-07-09 18:12:09,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:12:09,778 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750163642] [2021-07-09 18:12:09,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:12:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:12:10,058 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:12:10,058 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:12:10,058 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750163642] [2021-07-09 18:12:10,058 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750163642] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:12:10,058 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108941266] [2021-07-09 18:12:10,058 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 [2021-07-09 18:12:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:12:10,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 18:12:10,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:12:10,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:12:10,402 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:10,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:12:10,412 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:10,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:12:10,421 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:10,426 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 34 treesize of output 24 [2021-07-09 18:12:10,430 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:10,483 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:10,488 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 37 treesize of output 25 [2021-07-09 18:12:10,495 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:10,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:12:10,504 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:10,510 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 30 treesize of output 20 [2021-07-09 18:12:10,513 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:10,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-07-09 18:12:10,523 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:10,561 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:10,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-07-09 18:12:10,569 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:10,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:12:10,575 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:10,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:12:10,582 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:10,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:12:10,588 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:10,623 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:10,634 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-09 18:12:10,634 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 3 variables, input treesize:197, output treesize:57 [2021-07-09 18:12:10,739 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 [2021-07-09 18:12:10,740 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:10,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-09 18:12:10,744 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:10,749 INFO L628 ElimStorePlain]: treesize reduction 19, result has 20.8 percent of original size [2021-07-09 18:12:10,750 INFO L518 ElimStorePlain]: Eliminatee v_prenex_1 vanished before elimination [2021-07-09 18:12:10,750 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:12:10,750 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:40, output treesize:5 [2021-07-09 18:12:10,761 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:12:10,762 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108941266] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:12:10,762 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:12:10,762 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-07-09 18:12:10,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634642639] [2021-07-09 18:12:10,762 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-09 18:12:10,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:12:10,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-09 18:12:10,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2021-07-09 18:12:10,764 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) [2021-07-09 18:12:10,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:12:10,987 INFO L93 Difference]: Finished difference Result 525 states and 1652 transitions. [2021-07-09 18:12:10,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 18:12:10,987 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 [2021-07-09 18:12:10,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:12:10,989 INFO L225 Difference]: With dead ends: 525 [2021-07-09 18:12:10,989 INFO L226 Difference]: Without dead ends: 482 [2021-07-09 18:12:10,990 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 286.5ms TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2021-07-09 18:12:10,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2021-07-09 18:12:10,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 373. [2021-07-09 18:12:10,997 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) [2021-07-09 18:12:10,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 1176 transitions. [2021-07-09 18:12:10,998 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 1176 transitions. Word has length 26 [2021-07-09 18:12:10,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:12:10,998 INFO L482 AbstractCegarLoop]: Abstraction has 373 states and 1176 transitions. [2021-07-09 18:12:10,999 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) [2021-07-09 18:12:10,999 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 1176 transitions. [2021-07-09 18:12:10,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-09 18:12:11,000 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:12:11,000 INFO L508 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] [2021-07-09 18:12:11,218 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-09 18:12:11,218 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:12:11,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:12:11,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1009368434, now seen corresponding path program 2 times [2021-07-09 18:12:11,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:12:11,222 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005767295] [2021-07-09 18:12:11,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:12:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:12:11,235 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 18:12:11,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:12:11,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005767295] [2021-07-09 18:12:11,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005767295] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 18:12:11,235 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 18:12:11,235 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-09 18:12:11,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765947061] [2021-07-09 18:12:11,236 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-09 18:12:11,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:12:11,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-09 18:12:11,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-09 18:12:11,236 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) [2021-07-09 18:12:11,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:12:11,247 INFO L93 Difference]: Finished difference Result 524 states and 1595 transitions. [2021-07-09 18:12:11,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-09 18:12:11,247 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 [2021-07-09 18:12:11,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:12:11,249 INFO L225 Difference]: With dead ends: 524 [2021-07-09 18:12:11,249 INFO L226 Difference]: Without dead ends: 476 [2021-07-09 18:12:11,249 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-09 18:12:11,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2021-07-09 18:12:11,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 403. [2021-07-09 18:12:11,256 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) [2021-07-09 18:12:11,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 1245 transitions. [2021-07-09 18:12:11,258 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 1245 transitions. Word has length 26 [2021-07-09 18:12:11,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:12:11,258 INFO L482 AbstractCegarLoop]: Abstraction has 403 states and 1245 transitions. [2021-07-09 18:12:11,258 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) [2021-07-09 18:12:11,258 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 1245 transitions. [2021-07-09 18:12:11,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-09 18:12:11,278 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:12:11,278 INFO L508 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] [2021-07-09 18:12:11,278 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-07-09 18:12:11,278 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:12:11,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:12:11,279 INFO L82 PathProgramCache]: Analyzing trace with hash -294633458, now seen corresponding path program 3 times [2021-07-09 18:12:11,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:12:11,279 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603344293] [2021-07-09 18:12:11,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:12:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:12:11,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:12:11,474 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:12:11,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603344293] [2021-07-09 18:12:11,474 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603344293] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:12:11,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823474441] [2021-07-09 18:12:11,474 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 [2021-07-09 18:12:11,503 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-09 18:12:11,503 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:12:11,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 18:12:11,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:12:11,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:12:11,583 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:11,591 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:11,592 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:12:11,592 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:37 [2021-07-09 18:12:11,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-07-09 18:12:11,661 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:11,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:12:11,666 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:11,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:12:11,671 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:11,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-07-09 18:12:11,674 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:11,709 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:11,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:12:11,714 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:11,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:12:11,719 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:11,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2021-07-09 18:12:11,724 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:11,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2021-07-09 18:12:11,727 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:11,747 INFO L628 ElimStorePlain]: treesize reduction 16, result has 67.3 percent of original size [2021-07-09 18:12:11,748 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-09 18:12:11,748 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:193, output treesize:33 [2021-07-09 18:12:11,805 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 [2021-07-09 18:12:11,806 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:11,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-09 18:12:11,810 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:11,815 INFO L628 ElimStorePlain]: treesize reduction 19, result has 20.8 percent of original size [2021-07-09 18:12:11,815 INFO L518 ElimStorePlain]: Eliminatee v_prenex_2 vanished before elimination [2021-07-09 18:12:11,815 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:12:11,815 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:40, output treesize:5 [2021-07-09 18:12:11,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:12:11,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823474441] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:12:11,821 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:12:11,821 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 16 [2021-07-09 18:12:11,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164240221] [2021-07-09 18:12:11,821 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-09 18:12:11,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:12:11,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-09 18:12:11,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-07-09 18:12:11,822 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) [2021-07-09 18:12:12,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:12:12,111 INFO L93 Difference]: Finished difference Result 886 states and 2671 transitions. [2021-07-09 18:12:12,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 18:12:12,111 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 [2021-07-09 18:12:12,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:12:12,114 INFO L225 Difference]: With dead ends: 886 [2021-07-09 18:12:12,114 INFO L226 Difference]: Without dead ends: 768 [2021-07-09 18:12:12,114 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 343.0ms TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2021-07-09 18:12:12,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2021-07-09 18:12:12,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 427. [2021-07-09 18:12:12,123 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) [2021-07-09 18:12:12,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 1319 transitions. [2021-07-09 18:12:12,125 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 1319 transitions. Word has length 26 [2021-07-09 18:12:12,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:12:12,125 INFO L482 AbstractCegarLoop]: Abstraction has 427 states and 1319 transitions. [2021-07-09 18:12:12,125 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) [2021-07-09 18:12:12,125 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1319 transitions. [2021-07-09 18:12:12,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-09 18:12:12,126 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:12:12,126 INFO L508 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] [2021-07-09 18:12:12,343 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:12:12,343 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:12:12,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:12:12,343 INFO L82 PathProgramCache]: Analyzing trace with hash 108055770, now seen corresponding path program 4 times [2021-07-09 18:12:12,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:12:12,344 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326977078] [2021-07-09 18:12:12,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:12:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:12:12,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:12:12,496 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:12:12,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326977078] [2021-07-09 18:12:12,496 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326977078] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:12:12,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920954115] [2021-07-09 18:12:12,496 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 [2021-07-09 18:12:12,558 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 18:12:12,558 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:12:12,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 18:12:12,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:12:12,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:12:12,632 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:12,640 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:12,641 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:12:12,641 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:37 [2021-07-09 18:12:12,674 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 [2021-07-09 18:12:12,675 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:12,678 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 [2021-07-09 18:12:12,679 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:12,706 INFO L628 ElimStorePlain]: treesize reduction 30, result has 61.0 percent of original size [2021-07-09 18:12:12,707 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-09 18:12:12,707 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:87, output treesize:47 [2021-07-09 18:12:12,825 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 22 treesize of output 14 [2021-07-09 18:12:12,827 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:12,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:12:12,832 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:12,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:12:12,837 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:12,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-07-09 18:12:12,841 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:12,952 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2021-07-09 18:12:12,953 INFO L628 ElimStorePlain]: treesize reduction 40, result has 81.6 percent of original size [2021-07-09 18:12:12,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:12:12,958 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:12,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:12:12,962 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:12,982 INFO L628 ElimStorePlain]: treesize reduction 142, result has 3.4 percent of original size [2021-07-09 18:12:12,982 INFO L518 ElimStorePlain]: Eliminatee v_prenex_3 vanished before elimination [2021-07-09 18:12:12,982 INFO L518 ElimStorePlain]: Eliminatee v_prenex_4 vanished before elimination [2021-07-09 18:12:12,983 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:12:12,983 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:273, output treesize:5 [2021-07-09 18:12:12,994 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:12:12,994 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1920954115] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:12:12,995 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:12:12,995 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-07-09 18:12:12,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383000383] [2021-07-09 18:12:12,995 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-09 18:12:12,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:12:12,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-09 18:12:12,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-07-09 18:12:12,996 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) [2021-07-09 18:12:13,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:12:13,080 INFO L93 Difference]: Finished difference Result 693 states and 2174 transitions. [2021-07-09 18:12:13,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 18:12:13,080 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 [2021-07-09 18:12:13,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:12:13,082 INFO L225 Difference]: With dead ends: 693 [2021-07-09 18:12:13,082 INFO L226 Difference]: Without dead ends: 604 [2021-07-09 18:12:13,083 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 179.4ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-07-09 18:12:13,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2021-07-09 18:12:13,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 431. [2021-07-09 18:12:13,090 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) [2021-07-09 18:12:13,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 1337 transitions. [2021-07-09 18:12:13,091 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 1337 transitions. Word has length 26 [2021-07-09 18:12:13,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:12:13,092 INFO L482 AbstractCegarLoop]: Abstraction has 431 states and 1337 transitions. [2021-07-09 18:12:13,092 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) [2021-07-09 18:12:13,092 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 1337 transitions. [2021-07-09 18:12:13,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-09 18:12:13,109 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:12:13,109 INFO L508 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] [2021-07-09 18:12:13,309 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:12:13,310 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:12:13,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:12:13,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1494058166, now seen corresponding path program 5 times [2021-07-09 18:12:13,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:12:13,310 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802383646] [2021-07-09 18:12:13,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:12:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:12:13,346 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 18:12:13,346 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:12:13,346 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802383646] [2021-07-09 18:12:13,346 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802383646] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:12:13,346 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064715931] [2021-07-09 18:12:13,346 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 [2021-07-09 18:12:13,403 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-09 18:12:13,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:12:13,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-09 18:12:13,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:12:13,446 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 18:12:13,446 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064715931] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:12:13,446 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:12:13,446 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-07-09 18:12:13,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755348094] [2021-07-09 18:12:13,446 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 18:12:13,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:12:13,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 18:12:13,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-09 18:12:13,447 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) [2021-07-09 18:12:13,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:12:13,516 INFO L93 Difference]: Finished difference Result 1077 states and 3313 transitions. [2021-07-09 18:12:13,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 18:12:13,516 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 [2021-07-09 18:12:13,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:12:13,520 INFO L225 Difference]: With dead ends: 1077 [2021-07-09 18:12:13,520 INFO L226 Difference]: Without dead ends: 1071 [2021-07-09 18:12:13,520 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 25.7ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-07-09 18:12:13,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2021-07-09 18:12:13,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 723. [2021-07-09 18:12:13,533 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) [2021-07-09 18:12:13,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 2383 transitions. [2021-07-09 18:12:13,535 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 2383 transitions. Word has length 28 [2021-07-09 18:12:13,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:12:13,535 INFO L482 AbstractCegarLoop]: Abstraction has 723 states and 2383 transitions. [2021-07-09 18:12:13,536 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) [2021-07-09 18:12:13,536 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 2383 transitions. [2021-07-09 18:12:13,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-09 18:12:13,537 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:12:13,537 INFO L508 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] [2021-07-09 18:12:13,753 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:12:13,753 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:12:13,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:12:13,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1505385586, now seen corresponding path program 6 times [2021-07-09 18:12:13,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:12:13,754 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093628150] [2021-07-09 18:12:13,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:12:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:12:13,789 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 18:12:13,789 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:12:13,789 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093628150] [2021-07-09 18:12:13,789 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093628150] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:12:13,789 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902981852] [2021-07-09 18:12:13,789 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 [2021-07-09 18:12:13,819 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-09 18:12:13,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:12:13,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-09 18:12:13,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:12:13,879 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:12:13,879 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902981852] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:12:13,879 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:12:13,879 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-07-09 18:12:13,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635584855] [2021-07-09 18:12:13,880 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-09 18:12:13,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:12:13,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-09 18:12:13,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-07-09 18:12:13,880 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) [2021-07-09 18:12:14,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:12:14,382 INFO L93 Difference]: Finished difference Result 3105 states and 9211 transitions. [2021-07-09 18:12:14,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 18:12:14,383 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 [2021-07-09 18:12:14,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:12:14,393 INFO L225 Difference]: With dead ends: 3105 [2021-07-09 18:12:14,393 INFO L226 Difference]: Without dead ends: 2785 [2021-07-09 18:12:14,394 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 454 ImplicationChecksByTransitivity, 269.1ms TimeCoverageRelationStatistics Valid=384, Invalid=1098, Unknown=0, NotChecked=0, Total=1482 [2021-07-09 18:12:14,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2785 states. [2021-07-09 18:12:14,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2785 to 704. [2021-07-09 18:12:14,418 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) [2021-07-09 18:12:14,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 2345 transitions. [2021-07-09 18:12:14,420 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 2345 transitions. Word has length 28 [2021-07-09 18:12:14,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:12:14,420 INFO L482 AbstractCegarLoop]: Abstraction has 704 states and 2345 transitions. [2021-07-09 18:12:14,420 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) [2021-07-09 18:12:14,420 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 2345 transitions. [2021-07-09 18:12:14,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-07-09 18:12:14,422 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:12:14,422 INFO L508 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] [2021-07-09 18:12:14,637 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:12:14,637 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:12:14,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:12:14,638 INFO L82 PathProgramCache]: Analyzing trace with hash 370873412, now seen corresponding path program 7 times [2021-07-09 18:12:14,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:12:14,638 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8589054] [2021-07-09 18:12:14,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:12:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:12:14,667 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 18:12:14,667 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:12:14,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8589054] [2021-07-09 18:12:14,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8589054] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:12:14,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456842160] [2021-07-09 18:12:14,668 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) [2021-07-09 18:12:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:12:14,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-09 18:12:14,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:12:14,751 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 18:12:14,752 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [456842160] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:12:14,752 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:12:14,752 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-09 18:12:14,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331518788] [2021-07-09 18:12:14,752 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-09 18:12:14,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:12:14,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-09 18:12:14,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-09 18:12:14,753 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) [2021-07-09 18:12:15,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:12:15,047 INFO L93 Difference]: Finished difference Result 4417 states and 14303 transitions. [2021-07-09 18:12:15,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 18:12:15,047 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 [2021-07-09 18:12:15,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:12:15,065 INFO L225 Difference]: With dead ends: 4417 [2021-07-09 18:12:15,065 INFO L226 Difference]: Without dead ends: 3838 [2021-07-09 18:12:15,065 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 121.1ms TimeCoverageRelationStatistics Valid=177, Invalid=423, Unknown=0, NotChecked=0, Total=600 [2021-07-09 18:12:15,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3838 states. [2021-07-09 18:12:15,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3838 to 2381. [2021-07-09 18:12:15,123 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) [2021-07-09 18:12:15,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 8509 transitions. [2021-07-09 18:12:15,129 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 8509 transitions. Word has length 29 [2021-07-09 18:12:15,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:12:15,130 INFO L482 AbstractCegarLoop]: Abstraction has 2381 states and 8509 transitions. [2021-07-09 18:12:15,130 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) [2021-07-09 18:12:15,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 8509 transitions. [2021-07-09 18:12:15,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-07-09 18:12:15,135 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:12:15,135 INFO L508 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] [2021-07-09 18:12:15,350 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:12:15,350 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:12:15,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:12:15,350 INFO L82 PathProgramCache]: Analyzing trace with hash 483537884, now seen corresponding path program 8 times [2021-07-09 18:12:15,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:12:15,351 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680407574] [2021-07-09 18:12:15,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:12:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:12:15,366 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:12:15,367 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:12:15,367 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680407574] [2021-07-09 18:12:15,367 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680407574] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:12:15,367 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570277329] [2021-07-09 18:12:15,367 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 [2021-07-09 18:12:15,447 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 18:12:15,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:12:15,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-09 18:12:15,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:12:15,494 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:12:15,495 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570277329] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:12:15,495 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:12:15,495 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-07-09 18:12:15,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607783573] [2021-07-09 18:12:15,495 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-09 18:12:15,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:12:15,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-09 18:12:15,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-07-09 18:12:15,496 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) [2021-07-09 18:12:15,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:12:15,724 INFO L93 Difference]: Finished difference Result 2863 states and 9841 transitions. [2021-07-09 18:12:15,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 18:12:15,725 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 [2021-07-09 18:12:15,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:12:15,764 INFO L225 Difference]: With dead ends: 2863 [2021-07-09 18:12:15,764 INFO L226 Difference]: Without dead ends: 2835 [2021-07-09 18:12:15,765 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 134.1ms TimeCoverageRelationStatistics Valid=188, Invalid=462, Unknown=0, NotChecked=0, Total=650 [2021-07-09 18:12:15,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2835 states. [2021-07-09 18:12:15,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2835 to 2343. [2021-07-09 18:12:15,805 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) [2021-07-09 18:12:15,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2343 states to 2343 states and 8357 transitions. [2021-07-09 18:12:15,812 INFO L78 Accepts]: Start accepts. Automaton has 2343 states and 8357 transitions. Word has length 29 [2021-07-09 18:12:15,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:12:15,812 INFO L482 AbstractCegarLoop]: Abstraction has 2343 states and 8357 transitions. [2021-07-09 18:12:15,812 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) [2021-07-09 18:12:15,812 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 8357 transitions. [2021-07-09 18:12:15,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-07-09 18:12:15,816 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:12:15,816 INFO L508 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] [2021-07-09 18:12:16,034 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:12:16,034 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:12:16,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:12:16,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1924163208, now seen corresponding path program 9 times [2021-07-09 18:12:16,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:12:16,035 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264019659] [2021-07-09 18:12:16,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:12:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:12:16,055 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 18:12:16,055 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:12:16,055 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264019659] [2021-07-09 18:12:16,055 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264019659] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:12:16,055 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419923266] [2021-07-09 18:12:16,055 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 [2021-07-09 18:12:16,152 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-09 18:12:16,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:12:16,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-09 18:12:16,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:12:16,209 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-09 18:12:16,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419923266] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:12:16,209 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:12:16,209 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-07-09 18:12:16,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71866730] [2021-07-09 18:12:16,210 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-09 18:12:16,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:12:16,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-09 18:12:16,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-07-09 18:12:16,210 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) [2021-07-09 18:12:16,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:12:16,660 INFO L93 Difference]: Finished difference Result 5750 states and 19687 transitions. [2021-07-09 18:12:16,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 18:12:16,661 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 [2021-07-09 18:12:16,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:12:16,675 INFO L225 Difference]: With dead ends: 5750 [2021-07-09 18:12:16,675 INFO L226 Difference]: Without dead ends: 5702 [2021-07-09 18:12:16,676 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 212.4ms TimeCoverageRelationStatistics Valid=281, Invalid=711, Unknown=0, NotChecked=0, Total=992 [2021-07-09 18:12:16,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5702 states. [2021-07-09 18:12:16,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5702 to 4398. [2021-07-09 18:12:16,862 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) [2021-07-09 18:12:16,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4398 states to 4398 states and 15943 transitions. [2021-07-09 18:12:16,890 INFO L78 Accepts]: Start accepts. Automaton has 4398 states and 15943 transitions. Word has length 31 [2021-07-09 18:12:16,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:12:16,890 INFO L482 AbstractCegarLoop]: Abstraction has 4398 states and 15943 transitions. [2021-07-09 18:12:16,891 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) [2021-07-09 18:12:16,891 INFO L276 IsEmpty]: Start isEmpty. Operand 4398 states and 15943 transitions. [2021-07-09 18:12:16,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-09 18:12:16,920 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:12:16,921 INFO L508 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] [2021-07-09 18:12:17,121 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-07-09 18:12:17,121 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:12:17,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:12:17,122 INFO L82 PathProgramCache]: Analyzing trace with hash -62749624, now seen corresponding path program 10 times [2021-07-09 18:12:17,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:12:17,122 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669487295] [2021-07-09 18:12:17,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:12:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:12:17,487 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 57 [2021-07-09 18:12:17,730 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 60 [2021-07-09 18:12:17,939 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:12:17,940 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:12:17,940 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669487295] [2021-07-09 18:12:17,940 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669487295] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:12:17,940 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336806105] [2021-07-09 18:12:17,940 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 [2021-07-09 18:12:17,971 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 18:12:17,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:12:17,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-09 18:12:17,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:12:18,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:12:18,304 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:18,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:12:18,310 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:18,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:12:18,315 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:18,322 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 [2021-07-09 18:12:18,322 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:18,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:12:18,328 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:18,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:12:18,334 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:18,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:12:18,341 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:18,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:12:18,349 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:18,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:12:18,355 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:18,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:12:18,362 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:18,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:12:18,368 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:18,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:12:18,374 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:18,380 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 [2021-07-09 18:12:18,381 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:18,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:12:18,389 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:18,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:12:18,395 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:18,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:12:18,402 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:18,725 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-07-09 18:12:18,726 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:18,757 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 16 xjuncts. [2021-07-09 18:12:18,757 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 1 variables, input treesize:1105, output treesize:1089 [2021-07-09 18:12:19,115 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-07-09 18:12:19,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:12:19,337 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:19,786 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-07-09 18:12:19,786 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:19,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2021-07-09 18:12:19,819 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:20,248 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2021-07-09 18:12:20,248 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:20,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2021-07-09 18:12:20,274 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:20,657 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2021-07-09 18:12:20,657 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:20,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-07-09 18:12:20,712 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:21,094 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2021-07-09 18:12:21,095 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:21,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-07-09 18:12:21,117 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:21,518 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2021-07-09 18:12:21,518 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:21,533 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 48 treesize of output 36 [2021-07-09 18:12:21,536 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:21,930 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2021-07-09 18:12:21,931 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:21,946 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 46 treesize of output 30 [2021-07-09 18:12:21,949 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:22,324 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 366 [2021-07-09 18:12:22,325 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:22,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:12:22,345 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:22,729 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2021-07-09 18:12:22,730 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:22,746 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 50 treesize of output 36 [2021-07-09 18:12:22,748 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:23,142 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 359 [2021-07-09 18:12:23,143 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:23,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-07-09 18:12:23,163 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:23,538 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2021-07-09 18:12:23,539 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:23,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-07-09 18:12:23,558 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:23,923 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2021-07-09 18:12:23,923 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:23,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-07-09 18:12:23,940 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:24,278 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2021-07-09 18:12:24,278 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:24,293 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 46 treesize of output 30 [2021-07-09 18:12:24,296 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:24,641 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2021-07-09 18:12:24,641 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:24,656 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 57 treesize of output 37 [2021-07-09 18:12:24,658 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:24,987 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2021-07-09 18:12:24,987 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:25,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-07-09 18:12:25,007 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:25,354 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2021-07-09 18:12:25,354 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:25,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-07-09 18:12:25,371 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:25,666 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2021-07-09 18:12:25,666 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:25,679 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 52 treesize of output 36 [2021-07-09 18:12:25,690 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:25,981 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2021-07-09 18:12:25,981 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:25,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-07-09 18:12:25,998 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:26,287 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2021-07-09 18:12:26,288 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:26,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-07-09 18:12:26,302 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:26,604 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2021-07-09 18:12:26,604 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:26,630 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 33 treesize of output 33 [2021-07-09 18:12:26,631 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:26,958 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2021-07-09 18:12:26,958 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:26,973 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 51 treesize of output 33 [2021-07-09 18:12:26,975 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:27,244 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 126 [2021-07-09 18:12:27,245 INFO L628 ElimStorePlain]: treesize reduction 478, result has 44.5 percent of original size [2021-07-09 18:12:27,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2021-07-09 18:12:27,252 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:27,352 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:27,358 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 45 treesize of output 29 [2021-07-09 18:12:27,359 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:27,450 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:27,450 INFO L518 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2021-07-09 18:12:27,450 INFO L518 ElimStorePlain]: Eliminatee v_prenex_6 vanished before elimination [2021-07-09 18:12:27,450 INFO L518 ElimStorePlain]: Eliminatee v_prenex_7 vanished before elimination [2021-07-09 18:12:27,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 18:12:27,457 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:27,540 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:27,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:12:27,547 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:27,660 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 64 [2021-07-09 18:12:27,661 INFO L628 ElimStorePlain]: treesize reduction 81, result has 71.2 percent of original size [2021-07-09 18:12:27,661 INFO L518 ElimStorePlain]: Eliminatee v_prenex_21 vanished before elimination [2021-07-09 18:12:27,661 INFO L518 ElimStorePlain]: Eliminatee v_prenex_43 vanished before elimination [2021-07-09 18:12:27,661 INFO L518 ElimStorePlain]: Eliminatee v_prenex_20 vanished before elimination [2021-07-09 18:12:27,661 INFO L518 ElimStorePlain]: Eliminatee v_prenex_42 vanished before elimination [2021-07-09 18:12:27,661 INFO L518 ElimStorePlain]: Eliminatee v_prenex_41 vanished before elimination [2021-07-09 18:12:27,661 INFO L518 ElimStorePlain]: Eliminatee v_prenex_40 vanished before elimination [2021-07-09 18:12:27,661 INFO L518 ElimStorePlain]: Eliminatee v_prenex_47 vanished before elimination [2021-07-09 18:12:27,661 INFO L518 ElimStorePlain]: Eliminatee v_prenex_25 vanished before elimination [2021-07-09 18:12:27,665 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 52 treesize of output 36 [2021-07-09 18:12:27,668 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:27,718 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:27,719 INFO L518 ElimStorePlain]: Eliminatee v_prenex_24 vanished before elimination [2021-07-09 18:12:27,722 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 46 treesize of output 30 [2021-07-09 18:12:27,725 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:27,772 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:27,772 INFO L518 ElimStorePlain]: Eliminatee v_prenex_23 vanished before elimination [2021-07-09 18:12:27,772 INFO L518 ElimStorePlain]: Eliminatee v_prenex_22 vanished before elimination [2021-07-09 18:12:27,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-07-09 18:12:27,778 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:27,823 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:27,824 INFO L518 ElimStorePlain]: Eliminatee v_prenex_29 vanished before elimination [2021-07-09 18:12:27,824 INFO L518 ElimStorePlain]: Eliminatee v_prenex_28 vanished before elimination [2021-07-09 18:12:27,824 INFO L518 ElimStorePlain]: Eliminatee v_prenex_49 vanished before elimination [2021-07-09 18:12:27,824 INFO L518 ElimStorePlain]: Eliminatee v_prenex_27 vanished before elimination [2021-07-09 18:12:27,824 INFO L518 ElimStorePlain]: Eliminatee v_prenex_48 vanished before elimination [2021-07-09 18:12:27,824 INFO L518 ElimStorePlain]: Eliminatee v_prenex_26 vanished before elimination [2021-07-09 18:12:27,826 INFO L550 ElimStorePlain]: Start of recursive call 1: 48 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-07-09 18:12:27,826 INFO L247 ElimStorePlain]: Needed 29 recursive calls to eliminate 48 variables, input treesize:1137, output treesize:118 [2021-07-09 18:12:28,053 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 27 treesize of output 17 [2021-07-09 18:12:28,054 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:28,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:12:28,059 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:28,071 INFO L628 ElimStorePlain]: treesize reduction 86, result has 5.5 percent of original size [2021-07-09 18:12:28,071 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-07-09 18:12:28,071 INFO L518 ElimStorePlain]: Eliminatee v_prenex_52 vanished before elimination [2021-07-09 18:12:28,071 INFO L518 ElimStorePlain]: Eliminatee v_prenex_51 vanished before elimination [2021-07-09 18:12:28,072 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:12:28,072 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-07-09 18:12:28,078 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:12:28,078 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336806105] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:12:28,078 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:12:28,078 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-07-09 18:12:28,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962684456] [2021-07-09 18:12:28,078 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-09 18:12:28,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:12:28,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-09 18:12:28,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2021-07-09 18:12:28,079 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) [2021-07-09 18:12:28,321 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2021-07-09 18:12:28,507 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 53 [2021-07-09 18:12:28,647 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2021-07-09 18:12:29,413 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2021-07-09 18:12:29,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:12:29,834 INFO L93 Difference]: Finished difference Result 5785 states and 20387 transitions. [2021-07-09 18:12:29,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 18:12:29,834 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 [2021-07-09 18:12:29,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:12:29,848 INFO L225 Difference]: With dead ends: 5785 [2021-07-09 18:12:29,849 INFO L226 Difference]: Without dead ends: 5742 [2021-07-09 18:12:29,851 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 2506.6ms TimeCoverageRelationStatistics Valid=172, Invalid=820, Unknown=0, NotChecked=0, Total=992 [2021-07-09 18:12:29,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5742 states. [2021-07-09 18:12:29,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5742 to 4565. [2021-07-09 18:12:29,969 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) [2021-07-09 18:12:29,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4565 states to 4565 states and 16486 transitions. [2021-07-09 18:12:29,984 INFO L78 Accepts]: Start accepts. Automaton has 4565 states and 16486 transitions. Word has length 33 [2021-07-09 18:12:29,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:12:29,984 INFO L482 AbstractCegarLoop]: Abstraction has 4565 states and 16486 transitions. [2021-07-09 18:12:29,984 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) [2021-07-09 18:12:29,984 INFO L276 IsEmpty]: Start isEmpty. Operand 4565 states and 16486 transitions. [2021-07-09 18:12:29,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-09 18:12:29,993 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:12:29,993 INFO L508 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] [2021-07-09 18:12:30,208 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:12:30,209 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:12:30,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:12:30,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1133562818, now seen corresponding path program 11 times [2021-07-09 18:12:30,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:12:30,210 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780978573] [2021-07-09 18:12:30,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:12:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:12:30,843 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 57 [2021-07-09 18:12:31,166 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 60 [2021-07-09 18:12:31,458 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:12:31,458 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:12:31,458 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780978573] [2021-07-09 18:12:31,458 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780978573] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:12:31,458 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799738838] [2021-07-09 18:12:31,458 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 [2021-07-09 18:12:31,502 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-09 18:12:31,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:12:31,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-09 18:12:31,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:12:31,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:12:31,770 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:31,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:12:31,776 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:31,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:12:31,782 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:31,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:12:31,788 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:31,793 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 [2021-07-09 18:12:31,794 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:31,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-09 18:12:31,800 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:31,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:12:31,806 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:31,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:12:31,813 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:31,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:12:31,819 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:31,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-09 18:12:31,825 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:31,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-09 18:12:31,831 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:31,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:12:31,838 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:31,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:12:31,845 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:31,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:12:31,851 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:31,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:12:31,858 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:31,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-09 18:12:31,864 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-09 18:12:32,168 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-07-09 18:12:32,168 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:32,174 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 16 xjuncts. [2021-07-09 18:12:32,175 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 1 variables, input treesize:1073, output treesize:1057 [2021-07-09 18:12:32,516 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-07-09 18:12:32,968 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-07-09 18:12:33,696 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2021-07-09 18:12:34,269 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_90, v_prenex_72, v_prenex_94, v_prenex_93, v_prenex_70, v_prenex_91, v_prenex_76, v_prenex_54, v_prenex_97, v_prenex_75, v_prenex_53, v_prenex_96, v_prenex_73, v_prenex_57, v_prenex_79, v_prenex_56, v_prenex_78, v_prenex_61, A, v_prenex_82, v_prenex_60, B, v_prenex_81, v_prenex_87, v_prenex_64, v_prenex_85, v_prenex_63, v_prenex_84, v_prenex_69, v_prenex_67, v_prenex_66, v_prenex_88], 2=[v_C_16, v_prenex_83, v_prenex_71, v_prenex_92, v_prenex_80, v_prenex_65, v_prenex_86, v_prenex_74, v_prenex_95, v_prenex_62, v_prenex_58, v_prenex_68, v_prenex_89, v_prenex_55, v_prenex_77, v_prenex_59]} [2021-07-09 18:12:34,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-07-09 18:12:34,306 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:34,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-07-09 18:12:34,332 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:36,668 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 449 DAG size of output: 425 [2021-07-09 18:12:36,669 INFO L628 ElimStorePlain]: treesize reduction 592, result has 74.6 percent of original size [2021-07-09 18:12:36,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:12:36,691 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:37,653 WARN L205 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 420 [2021-07-09 18:12:37,653 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:37,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-07-09 18:12:37,709 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:37,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-07-09 18:12:37,767 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:38,718 WARN L205 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 422 [2021-07-09 18:12:38,718 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:38,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-07-09 18:12:38,769 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:38,788 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 37 treesize of output 25 [2021-07-09 18:12:38,790 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:39,729 WARN L205 SmtUtils]: Spent 938.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2021-07-09 18:12:39,730 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:39,750 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 41 treesize of output 29 [2021-07-09 18:12:39,759 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:40,707 WARN L205 SmtUtils]: Spent 947.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2021-07-09 18:12:40,707 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:40,733 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 34 [2021-07-09 18:12:40,736 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:40,755 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 39 treesize of output 25 [2021-07-09 18:12:40,757 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:41,672 WARN L205 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2021-07-09 18:12:41,673 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:41,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-07-09 18:12:41,694 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:42,542 WARN L205 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2021-07-09 18:12:42,543 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:42,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-07-09 18:12:42,564 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:43,440 WARN L205 SmtUtils]: Spent 874.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2021-07-09 18:12:43,440 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:43,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-07-09 18:12:43,462 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:44,317 WARN L205 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2021-07-09 18:12:44,317 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:44,336 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 39 treesize of output 25 [2021-07-09 18:12:44,338 INFO L550 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:45,152 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2021-07-09 18:12:45,152 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:45,180 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 46 treesize of output 30 [2021-07-09 18:12:45,182 INFO L550 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:46,010 WARN L205 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2021-07-09 18:12:46,011 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:46,028 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 [2021-07-09 18:12:46,032 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:46,788 WARN L205 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2021-07-09 18:12:46,788 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:46,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-07-09 18:12:46,820 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:47,627 WARN L205 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2021-07-09 18:12:47,628 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:47,645 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 50 treesize of output 36 [2021-07-09 18:12:47,647 INFO L550 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:48,463 WARN L205 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 365 [2021-07-09 18:12:48,463 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:48,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-07-09 18:12:48,483 INFO L550 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:49,280 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 360 [2021-07-09 18:12:49,280 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:49,297 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 46 treesize of output 30 [2021-07-09 18:12:49,300 INFO L550 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:50,036 WARN L205 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2021-07-09 18:12:50,037 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:50,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-07-09 18:12:50,091 INFO L550 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:50,923 WARN L205 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2021-07-09 18:12:50,923 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:50,946 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 43 treesize of output 29 [2021-07-09 18:12:50,948 INFO L550 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:50,965 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 52 treesize of output 36 [2021-07-09 18:12:50,968 INFO L550 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:51,723 WARN L205 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2021-07-09 18:12:51,724 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:51,750 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 50 treesize of output 36 [2021-07-09 18:12:51,753 INFO L550 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:51,772 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 41 treesize of output 29 [2021-07-09 18:12:51,802 INFO L550 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:52,630 WARN L205 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2021-07-09 18:12:52,631 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:52,654 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 43 treesize of output 29 [2021-07-09 18:12:52,658 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:53,439 WARN L205 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2021-07-09 18:12:53,440 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:53,464 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 37 treesize of output 25 [2021-07-09 18:12:53,470 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:53,488 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 50 treesize of output 34 [2021-07-09 18:12:53,491 INFO L550 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:54,189 WARN L205 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2021-07-09 18:12:54,189 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:54,212 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 37 treesize of output 25 [2021-07-09 18:12:54,215 INFO L550 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:54,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-07-09 18:12:54,236 INFO L550 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:54,871 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2021-07-09 18:12:54,872 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:54,887 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 37 treesize of output 25 [2021-07-09 18:12:54,889 INFO L550 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:55,526 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2021-07-09 18:12:55,526 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:55,550 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 52 treesize of output 36 [2021-07-09 18:12:55,557 INFO L550 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:55,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-07-09 18:12:55,578 INFO L550 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:56,214 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2021-07-09 18:12:56,214 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:56,242 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 50 treesize of output 36 [2021-07-09 18:12:56,245 INFO L550 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:56,265 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 41 treesize of output 29 [2021-07-09 18:12:56,290 INFO L550 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:56,933 WARN L205 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2021-07-09 18:12:56,933 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:56,958 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 36 [2021-07-09 18:12:56,960 INFO L550 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:56,979 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 43 treesize of output 29 [2021-07-09 18:12:56,981 INFO L550 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:57,615 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2021-07-09 18:12:57,616 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:57,639 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 39 treesize of output 25 [2021-07-09 18:12:57,641 INFO L550 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:57,659 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 46 treesize of output 30 [2021-07-09 18:12:57,662 INFO L550 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:58,294 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2021-07-09 18:12:58,294 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:58,318 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 52 treesize of output 34 [2021-07-09 18:12:58,320 INFO L550 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:58,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-07-09 18:12:58,340 INFO L550 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:58,914 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2021-07-09 18:12:58,915 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:58,934 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 37 treesize of output 25 [2021-07-09 18:12:58,936 INFO L550 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:59,490 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2021-07-09 18:12:59,491 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:12:59,515 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 50 treesize of output 36 [2021-07-09 18:12:59,518 INFO L550 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:12:59,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-07-09 18:12:59,538 INFO L550 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:00,098 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2021-07-09 18:13:00,099 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:00,126 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 37 treesize of output 25 [2021-07-09 18:13:00,129 INFO L550 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:00,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-07-09 18:13:00,149 INFO L550 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:00,671 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2021-07-09 18:13:00,671 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:00,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-07-09 18:13:00,699 INFO L550 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:00,717 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 37 treesize of output 25 [2021-07-09 18:13:00,720 INFO L550 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:01,216 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2021-07-09 18:13:01,217 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:01,240 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 16 treesize of output 18 [2021-07-09 18:13:01,241 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:01,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:01,262 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 [2021-07-09 18:13:01,263 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:01,767 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2021-07-09 18:13:01,767 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:01,785 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:01,786 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:01,791 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 [2021-07-09 18:13:01,792 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:01,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-07-09 18:13:01,815 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:02,295 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2021-07-09 18:13:02,296 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:02,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-07-09 18:13:02,319 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:02,796 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2021-07-09 18:13:02,797 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:02,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:13:02,826 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:02,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:02,850 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 [2021-07-09 18:13:02,852 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:03,340 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2021-07-09 18:13:03,340 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:03,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:03,361 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 [2021-07-09 18:13:03,362 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:03,811 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-09 18:13:03,812 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:03,827 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:03,828 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:03,833 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 [2021-07-09 18:13:03,834 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:03,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-07-09 18:13:03,854 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:04,297 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-07-09 18:13:04,297 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:04,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:04,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:04,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-07-09 18:13:04,320 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:04,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-07-09 18:13:04,340 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:04,776 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 276 [2021-07-09 18:13:04,777 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:04,793 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:04,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-07-09 18:13:04,797 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:05,227 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2021-07-09 18:13:05,228 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:05,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-07-09 18:13:05,248 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:05,669 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-07-09 18:13:05,669 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:05,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-07-09 18:13:05,692 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:05,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:05,711 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 [2021-07-09 18:13:05,712 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:06,116 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2021-07-09 18:13:06,116 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:06,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-07-09 18:13:06,137 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:06,567 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2021-07-09 18:13:06,568 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:06,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:06,585 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 [2021-07-09 18:13:06,586 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:06,989 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2021-07-09 18:13:06,990 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:07,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-07-09 18:13:07,009 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:07,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:07,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-07-09 18:13:07,027 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:07,411 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2021-07-09 18:13:07,412 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:07,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-07-09 18:13:07,430 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:07,821 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2021-07-09 18:13:07,821 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:07,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:07,839 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 [2021-07-09 18:13:07,840 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:08,223 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2021-07-09 18:13:08,223 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:08,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:08,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:08,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-07-09 18:13:08,243 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:08,259 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 16 treesize of output 18 [2021-07-09 18:13:08,260 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:08,626 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2021-07-09 18:13:08,627 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:08,639 INFO L550 ElimStorePlain]: Start of recursive call 1: 48 dim-1 vars, End of recursive call: and 12 xjuncts. [2021-07-09 18:13:08,639 INFO L247 ElimStorePlain]: Needed 73 recursive calls to eliminate 48 variables, input treesize:2369, output treesize:345 [2021-07-09 18:13:08,927 INFO L446 ElimStorePlain]: Different costs {2=[v_prenex_100, v_prenex_102], 3=[C, v_prenex_98]} [2021-07-09 18:13:08,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:08,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:08,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:08,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 18:13:08,935 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:08,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:08,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:08,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-07-09 18:13:08,940 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:09,038 INFO L628 ElimStorePlain]: treesize reduction 81, result has 60.7 percent of original size [2021-07-09 18:13:09,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:09,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-09 18:13:09,044 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:09,079 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:09,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:09,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:09,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:09,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 18:13:09,085 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:09,117 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:09,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:09,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2021-07-09 18:13:09,125 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:09,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:09,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:09,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:09,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 18:13:09,130 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:09,168 INFO L628 ElimStorePlain]: treesize reduction 12, result has 80.3 percent of original size [2021-07-09 18:13:09,171 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:13:09,171 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:253, output treesize:5 [2021-07-09 18:13:09,177 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:13:09,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799738838] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:13:09,177 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:13:09,177 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2021-07-09 18:13:09,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398592453] [2021-07-09 18:13:09,177 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-09 18:13:09,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:13:09,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-09 18:13:09,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2021-07-09 18:13:09,178 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) [2021-07-09 18:13:09,750 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-07-09 18:13:10,018 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-07-09 18:13:10,908 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 68 [2021-07-09 18:13:11,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:13:11,348 INFO L93 Difference]: Finished difference Result 6000 states and 21119 transitions. [2021-07-09 18:13:11,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 18:13:11,348 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 [2021-07-09 18:13:11,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:13:11,362 INFO L225 Difference]: With dead ends: 6000 [2021-07-09 18:13:11,363 INFO L226 Difference]: Without dead ends: 5891 [2021-07-09 18:13:11,363 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 4083.7ms TimeCoverageRelationStatistics Valid=192, Invalid=998, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 18:13:11,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5891 states. [2021-07-09 18:13:11,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5891 to 4605. [2021-07-09 18:13:11,435 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) [2021-07-09 18:13:11,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4605 states to 4605 states and 16611 transitions. [2021-07-09 18:13:11,448 INFO L78 Accepts]: Start accepts. Automaton has 4605 states and 16611 transitions. Word has length 33 [2021-07-09 18:13:11,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:13:11,449 INFO L482 AbstractCegarLoop]: Abstraction has 4605 states and 16611 transitions. [2021-07-09 18:13:11,449 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) [2021-07-09 18:13:11,449 INFO L276 IsEmpty]: Start isEmpty. Operand 4605 states and 16611 transitions. [2021-07-09 18:13:11,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-09 18:13:11,457 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:13:11,457 INFO L508 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] [2021-07-09 18:13:11,673 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:13:11,673 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:13:11,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:13:11,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1389073446, now seen corresponding path program 12 times [2021-07-09 18:13:11,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:13:11,675 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818472477] [2021-07-09 18:13:11,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:13:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:13:12,054 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 56 [2021-07-09 18:13:12,207 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 55 [2021-07-09 18:13:12,473 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:13:12,474 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:13:12,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818472477] [2021-07-09 18:13:12,474 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818472477] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:13:12,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554341921] [2021-07-09 18:13:12,474 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 [2021-07-09 18:13:12,504 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-09 18:13:12,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:13:12,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-09 18:13:12,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:13:12,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:13:12,666 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:12,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:13:12,672 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:12,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:13:12,677 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:12,681 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 [2021-07-09 18:13:12,682 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:12,759 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:12,760 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-09 18:13:12,760 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:253, output treesize:249 [2021-07-09 18:13:13,148 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-07-09 18:13:13,411 INFO L446 ElimStorePlain]: Different costs {1=[v_prenex_119, v_prenex_109, v_prenex_110, v_prenex_122, v_C_18, v_prenex_113, v_prenex_116, v_prenex_106], 3=[v_prenex_120, v_prenex_121, v_prenex_111, v_prenex_112, v_prenex_123, v_prenex_124, v_prenex_114, v_prenex_104, v_prenex_115, v_prenex_105, v_prenex_117, v_prenex_107, v_prenex_118, v_prenex_108, A, B]} [2021-07-09 18:13:13,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:13,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:13:13,429 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:13,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:13,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:13:13,453 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:14,064 WARN L205 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2021-07-09 18:13:14,065 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:14,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:14,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:13:14,083 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:14,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:14,098 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 30 treesize of output 32 [2021-07-09 18:13:14,099 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:14,649 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-07-09 18:13:14,650 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:14,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:14,664 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 30 treesize of output 32 [2021-07-09 18:13:14,671 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:14,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:14,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:13:14,685 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:15,204 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-07-09 18:13:15,205 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:15,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:15,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:13:15,220 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:15,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:15,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:13:15,234 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:15,749 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-07-09 18:13:15,749 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:15,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:15,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:13:15,765 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:15,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:15,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:13:15,778 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:16,331 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-07-09 18:13:16,332 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:16,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:16,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:13:16,349 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:16,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:16,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:13:16,363 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:16,866 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-07-09 18:13:16,867 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:16,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:16,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:13:16,883 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:16,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:16,898 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 [2021-07-09 18:13:16,898 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:17,492 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-07-09 18:13:17,492 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:17,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:17,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:13:17,508 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:17,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:17,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:13:17,523 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:18,058 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-07-09 18:13:18,059 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:18,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:18,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:18,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-07-09 18:13:18,075 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:18,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:18,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:18,086 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 55 treesize of output 39 [2021-07-09 18:13:18,087 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:18,568 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-07-09 18:13:18,568 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:18,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:18,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:18,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 43 [2021-07-09 18:13:18,595 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:18,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:18,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:18,609 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 53 treesize of output 31 [2021-07-09 18:13:18,610 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:18,999 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 69 [2021-07-09 18:13:19,000 INFO L628 ElimStorePlain]: treesize reduction 826, result has 31.9 percent of original size [2021-07-09 18:13:19,000 INFO L518 ElimStorePlain]: Eliminatee v_prenex_111 vanished before elimination [2021-07-09 18:13:19,000 INFO L518 ElimStorePlain]: Eliminatee v_prenex_112 vanished before elimination [2021-07-09 18:13:19,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:19,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:19,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 18:13:19,010 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:19,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:19,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:19,015 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 61 treesize of output 39 [2021-07-09 18:13:19,017 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:19,111 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:19,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:19,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:19,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2021-07-09 18:13:19,133 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:19,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:19,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:19,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2021-07-09 18:13:19,139 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:19,205 INFO L628 ElimStorePlain]: treesize reduction 169, result has 38.8 percent of original size [2021-07-09 18:13:19,206 INFO L518 ElimStorePlain]: Eliminatee v_prenex_114 vanished before elimination [2021-07-09 18:13:19,206 INFO L518 ElimStorePlain]: Eliminatee v_prenex_104 vanished before elimination [2021-07-09 18:13:19,206 INFO L518 ElimStorePlain]: Eliminatee v_prenex_115 vanished before elimination [2021-07-09 18:13:19,206 INFO L518 ElimStorePlain]: Eliminatee v_prenex_105 vanished before elimination [2021-07-09 18:13:19,206 INFO L518 ElimStorePlain]: Eliminatee v_prenex_117 vanished before elimination [2021-07-09 18:13:19,206 INFO L518 ElimStorePlain]: Eliminatee v_prenex_107 vanished before elimination [2021-07-09 18:13:19,206 INFO L518 ElimStorePlain]: Eliminatee v_prenex_118 vanished before elimination [2021-07-09 18:13:19,206 INFO L518 ElimStorePlain]: Eliminatee v_prenex_108 vanished before elimination [2021-07-09 18:13:19,206 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-07-09 18:13:19,206 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-07-09 18:13:19,207 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-09 18:13:19,207 INFO L247 ElimStorePlain]: Needed 25 recursive calls to eliminate 24 variables, input treesize:1345, output treesize:107 [2021-07-09 18:13:19,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-07-09 18:13:19,450 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:19,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-07-09 18:13:19,454 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:19,465 INFO L628 ElimStorePlain]: treesize reduction 93, result has 5.1 percent of original size [2021-07-09 18:13:19,465 INFO L518 ElimStorePlain]: Eliminatee v_prenex_125 vanished before elimination [2021-07-09 18:13:19,465 INFO L518 ElimStorePlain]: Eliminatee v_prenex_126 vanished before elimination [2021-07-09 18:13:19,465 INFO L518 ElimStorePlain]: Eliminatee v_prenex_127 vanished before elimination [2021-07-09 18:13:19,465 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:13:19,465 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-07-09 18:13:19,470 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:13:19,470 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554341921] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:13:19,470 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:13:19,471 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-07-09 18:13:19,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981989273] [2021-07-09 18:13:19,471 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-09 18:13:19,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:13:19,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-09 18:13:19,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=413, Unknown=0, NotChecked=0, Total=506 [2021-07-09 18:13:19,472 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) [2021-07-09 18:13:19,684 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 45 [2021-07-09 18:13:19,812 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 54 [2021-07-09 18:13:20,067 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 51 [2021-07-09 18:13:20,635 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2021-07-09 18:13:21,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:13:21,149 INFO L93 Difference]: Finished difference Result 6946 states and 24274 transitions. [2021-07-09 18:13:21,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 18:13:21,150 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 [2021-07-09 18:13:21,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:13:21,179 INFO L225 Difference]: With dead ends: 6946 [2021-07-09 18:13:21,180 INFO L226 Difference]: Without dead ends: 6863 [2021-07-09 18:13:21,180 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 2177.1ms TimeCoverageRelationStatistics Valid=182, Invalid=874, Unknown=0, NotChecked=0, Total=1056 [2021-07-09 18:13:21,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6863 states. [2021-07-09 18:13:21,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6863 to 4778. [2021-07-09 18:13:21,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4778 states, 4777 states have (on average 3.6045635335984927) internal successors, (17219), 4777 states have internal predecessors, (17219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:13:21,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4778 states to 4778 states and 17219 transitions. [2021-07-09 18:13:21,267 INFO L78 Accepts]: Start accepts. Automaton has 4778 states and 17219 transitions. Word has length 33 [2021-07-09 18:13:21,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:13:21,267 INFO L482 AbstractCegarLoop]: Abstraction has 4778 states and 17219 transitions. [2021-07-09 18:13:21,268 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) [2021-07-09 18:13:21,268 INFO L276 IsEmpty]: Start isEmpty. Operand 4778 states and 17219 transitions. [2021-07-09 18:13:21,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-09 18:13:21,276 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:13:21,276 INFO L508 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] [2021-07-09 18:13:21,495 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable217 [2021-07-09 18:13:21,495 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:13:21,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:13:21,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1709581408, now seen corresponding path program 13 times [2021-07-09 18:13:21,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:13:21,495 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477832934] [2021-07-09 18:13:21,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:13:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:13:21,816 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 37 [2021-07-09 18:13:22,316 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:13:22,316 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:13:22,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477832934] [2021-07-09 18:13:22,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477832934] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:13:22,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604102333] [2021-07-09 18:13:22,316 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 [2021-07-09 18:13:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:13:22,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-09 18:13:22,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:13:22,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:13:22,501 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:22,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:13:22,505 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:22,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:13:22,510 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:22,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-09 18:13:22,515 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:22,586 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:22,588 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-09 18:13:22,588 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:221, output treesize:217 [2021-07-09 18:13:22,889 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-07-09 18:13:23,402 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2021-07-09 18:13:24,028 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_141, v_prenex_131, v_prenex_142, v_prenex_132, v_prenex_144, v_prenex_145, v_prenex_135, v_prenex_147, v_prenex_136, v_prenex_148, v_prenex_138, v_prenex_139, v_prenex_128, v_prenex_129, A, B], 2=[v_C_20, v_prenex_140, v_prenex_130, v_prenex_143, v_prenex_133, v_prenex_134, v_prenex_146, v_prenex_137]} [2021-07-09 18:13:24,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:13:24,048 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:24,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-07-09 18:13:24,068 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:24,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:13:24,087 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:24,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-07-09 18:13:24,103 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:25,904 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 273 DAG size of output: 261 [2021-07-09 18:13:25,905 INFO L628 ElimStorePlain]: treesize reduction 422, result has 80.9 percent of original size [2021-07-09 18:13:25,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 18:13:25,924 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:25,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-07-09 18:13:25,939 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:26,789 WARN L205 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2021-07-09 18:13:26,790 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:26,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-07-09 18:13:26,811 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:26,828 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 52 treesize of output 34 [2021-07-09 18:13:26,831 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:26,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-07-09 18:13:26,849 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:26,862 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 39 treesize of output 25 [2021-07-09 18:13:26,864 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:28,421 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 263 DAG size of output: 262 [2021-07-09 18:13:28,422 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.7 percent of original size [2021-07-09 18:13:28,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-07-09 18:13:28,441 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:28,454 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 46 treesize of output 30 [2021-07-09 18:13:28,456 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:29,151 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-07-09 18:13:29,151 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:29,168 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 52 treesize of output 36 [2021-07-09 18:13:29,171 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:29,187 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 41 treesize of output 29 [2021-07-09 18:13:29,192 INFO L550 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:29,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-07-09 18:13:29,235 INFO L550 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:29,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-07-09 18:13:29,254 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:29,973 WARN L205 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2021-07-09 18:13:29,973 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:29,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-07-09 18:13:29,992 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:30,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:13:30,013 INFO L550 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:30,029 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 52 treesize of output 34 [2021-07-09 18:13:30,031 INFO L550 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:30,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-07-09 18:13:30,044 INFO L550 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:30,700 WARN L205 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2021-07-09 18:13:30,701 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:30,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-07-09 18:13:30,720 INFO L550 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:30,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-07-09 18:13:30,739 INFO L550 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:30,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-07-09 18:13:30,759 INFO L550 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:30,772 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 43 treesize of output 29 [2021-07-09 18:13:30,775 INFO L550 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:31,439 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2021-07-09 18:13:31,439 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:31,460 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 43 treesize of output 29 [2021-07-09 18:13:31,463 INFO L550 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:31,485 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 41 treesize of output 29 [2021-07-09 18:13:31,487 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:31,512 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 50 treesize of output 36 [2021-07-09 18:13:31,514 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:31,533 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 52 treesize of output 36 [2021-07-09 18:13:31,536 INFO L550 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:32,212 WARN L205 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2021-07-09 18:13:32,212 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:32,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-07-09 18:13:32,234 INFO L550 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:32,256 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 39 treesize of output 25 [2021-07-09 18:13:32,258 INFO L550 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:32,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-07-09 18:13:32,282 INFO L550 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:32,297 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 46 treesize of output 30 [2021-07-09 18:13:32,299 INFO L550 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:32,962 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2021-07-09 18:13:32,963 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:32,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:13:32,986 INFO L550 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:33,006 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 44 treesize of output 30 [2021-07-09 18:13:33,008 INFO L550 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:33,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-07-09 18:13:33,029 INFO L550 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:33,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:13:33,048 INFO L550 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:33,702 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2021-07-09 18:13:33,702 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:33,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:13:33,725 INFO L550 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:33,742 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 43 treesize of output 29 [2021-07-09 18:13:33,745 INFO L550 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:34,350 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2021-07-09 18:13:34,351 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:34,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-07-09 18:13:34,374 INFO L550 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:34,390 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 [2021-07-09 18:13:34,392 INFO L550 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:34,973 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2021-07-09 18:13:34,973 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:34,997 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 52 treesize of output 36 [2021-07-09 18:13:35,000 INFO L550 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:35,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-07-09 18:13:35,022 INFO L550 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:35,616 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-07-09 18:13:35,616 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:35,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-07-09 18:13:35,638 INFO L550 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:35,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-07-09 18:13:35,655 INFO L550 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:36,208 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 290 [2021-07-09 18:13:36,209 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:36,226 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 41 treesize of output 29 [2021-07-09 18:13:36,227 INFO L550 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:36,246 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 50 treesize of output 36 [2021-07-09 18:13:36,248 INFO L550 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:36,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-07-09 18:13:36,269 INFO L550 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:36,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-07-09 18:13:36,303 INFO L550 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:36,902 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2021-07-09 18:13:36,902 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:36,923 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 37 treesize of output 25 [2021-07-09 18:13:36,925 INFO L550 ElimStorePlain]: Start of recursive call 50: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:36,946 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 50 treesize of output 34 [2021-07-09 18:13:36,948 INFO L550 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:36,982 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 37 treesize of output 25 [2021-07-09 18:13:36,984 INFO L550 ElimStorePlain]: Start of recursive call 52: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:36,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:13:37,000 INFO L550 ElimStorePlain]: Start of recursive call 53: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:13:37,521 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2021-07-09 18:13:37,521 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:37,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:37,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:37,544 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 [2021-07-09 18:13:37,545 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:37,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:37,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:37,582 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 [2021-07-09 18:13:37,596 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:37,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:13:37,620 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:37,649 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 16 treesize of output 18 [2021-07-09 18:13:37,650 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:38,127 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2021-07-09 18:13:38,127 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:38,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:38,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:38,150 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 [2021-07-09 18:13:38,151 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:38,172 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 21 treesize of output 21 [2021-07-09 18:13:38,173 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:38,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-07-09 18:13:38,220 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:38,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:38,239 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 [2021-07-09 18:13:38,240 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:38,712 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-09 18:13:38,713 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:38,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-07-09 18:13:38,730 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:38,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-07-09 18:13:38,747 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:39,166 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2021-07-09 18:13:39,166 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:39,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:13:39,185 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:39,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:39,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:39,203 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 [2021-07-09 18:13:39,204 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:39,217 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:39,218 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:39,222 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 [2021-07-09 18:13:39,224 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:39,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-07-09 18:13:39,241 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:39,645 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2021-07-09 18:13:39,645 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:39,664 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 17 treesize of output 19 [2021-07-09 18:13:39,664 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:39,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-07-09 18:13:39,683 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:40,068 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2021-07-09 18:13:40,068 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:40,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:13:40,115 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:40,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:40,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:40,135 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 [2021-07-09 18:13:40,137 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:40,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-07-09 18:13:40,156 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:40,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:40,172 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 [2021-07-09 18:13:40,173 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:40,550 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-07-09 18:13:40,550 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:40,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-07-09 18:13:40,578 INFO L550 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:40,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:40,591 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:40,595 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 [2021-07-09 18:13:40,596 INFO L550 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:40,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:13:40,639 INFO L550 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:40,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:40,657 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 [2021-07-09 18:13:40,658 INFO L550 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:41,005 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-07-09 18:13:41,006 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:41,021 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:41,022 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:41,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-07-09 18:13:41,027 INFO L550 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:41,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:13:41,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-07-09 18:13:41,047 INFO L550 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:41,377 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2021-07-09 18:13:41,378 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:41,416 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 15 xjuncts. [2021-07-09 18:13:41,416 INFO L247 ElimStorePlain]: Needed 79 recursive calls to eliminate 24 variables, input treesize:2273, output treesize:378 [2021-07-09 18:13:41,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:13:41,597 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:41,599 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 20 treesize of output 14 [2021-07-09 18:13:41,600 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:41,612 INFO L628 ElimStorePlain]: treesize reduction 86, result has 5.5 percent of original size [2021-07-09 18:13:41,612 INFO L518 ElimStorePlain]: Eliminatee v_prenex_150 vanished before elimination [2021-07-09 18:13:41,612 INFO L518 ElimStorePlain]: Eliminatee v_prenex_151 vanished before elimination [2021-07-09 18:13:41,612 INFO L518 ElimStorePlain]: Eliminatee v_prenex_149 vanished before elimination [2021-07-09 18:13:41,612 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:13:41,613 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-07-09 18:13:41,617 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:13:41,617 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604102333] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:13:41,617 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:13:41,618 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-07-09 18:13:41,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062728391] [2021-07-09 18:13:41,618 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-09 18:13:41,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:13:41,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-09 18:13:41,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2021-07-09 18:13:41,618 INFO L87 Difference]: Start difference. First operand 4778 states and 17219 transitions. Second operand has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:13:42,123 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 42 [2021-07-09 18:13:42,568 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2021-07-09 18:13:42,958 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2021-07-09 18:13:43,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:13:43,344 INFO L93 Difference]: Finished difference Result 6706 states and 23504 transitions. [2021-07-09 18:13:43,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 18:13:43,344 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 [2021-07-09 18:13:43,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:13:43,357 INFO L225 Difference]: With dead ends: 6706 [2021-07-09 18:13:43,357 INFO L226 Difference]: Without dead ends: 6489 [2021-07-09 18:13:43,357 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 2541.3ms TimeCoverageRelationStatistics Valid=180, Invalid=812, Unknown=0, NotChecked=0, Total=992 [2021-07-09 18:13:43,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6489 states. [2021-07-09 18:13:43,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6489 to 4829. [2021-07-09 18:13:43,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4829 states, 4828 states have (on average 3.5925849212924605) internal successors, (17345), 4828 states have internal predecessors, (17345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:13:43,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4829 states to 4829 states and 17345 transitions. [2021-07-09 18:13:43,518 INFO L78 Accepts]: Start accepts. Automaton has 4829 states and 17345 transitions. Word has length 33 [2021-07-09 18:13:43,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:13:43,518 INFO L482 AbstractCegarLoop]: Abstraction has 4829 states and 17345 transitions. [2021-07-09 18:13:43,518 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) [2021-07-09 18:13:43,518 INFO L276 IsEmpty]: Start isEmpty. Operand 4829 states and 17345 transitions. [2021-07-09 18:13:43,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-09 18:13:43,529 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:13:43,529 INFO L508 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] [2021-07-09 18:13:43,740 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable257 [2021-07-09 18:13:43,741 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:13:43,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:13:43,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1839447846, now seen corresponding path program 14 times [2021-07-09 18:13:43,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:13:43,742 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153008394] [2021-07-09 18:13:43,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:13:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:13:44,077 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 48 [2021-07-09 18:13:44,203 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2021-07-09 18:13:44,421 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:13:44,422 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:13:44,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153008394] [2021-07-09 18:13:44,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153008394] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:13:44,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086740688] [2021-07-09 18:13:44,422 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 [2021-07-09 18:13:44,457 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 18:13:44,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:13:44,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-09 18:13:44,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:13:44,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:13:44,620 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:44,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:13:44,624 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:44,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:13:44,629 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:44,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:13:44,633 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:44,728 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:44,730 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-09 18:13:44,732 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:277, output treesize:273 [2021-07-09 18:13:44,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:44,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:13:44,837 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:44,961 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-07-09 18:13:44,961 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:44,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:44,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:13:44,968 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:45,039 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:45,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:45,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:13:45,050 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:45,120 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:45,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:45,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:13:45,126 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:45,194 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:45,196 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-09 18:13:45,196 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:309, output treesize:305 [2021-07-09 18:13:45,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:45,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:45,584 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 61 treesize of output 39 [2021-07-09 18:13:45,585 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:46,143 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2021-07-09 18:13:46,144 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:46,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:46,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:46,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-07-09 18:13:46,157 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:46,614 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2021-07-09 18:13:46,614 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:46,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:46,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:46,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-07-09 18:13:46,655 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:46,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:46,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:46,668 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 [2021-07-09 18:13:46,669 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:47,073 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2021-07-09 18:13:47,074 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:47,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:47,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:47,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:13:47,090 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:47,484 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-07-09 18:13:47,484 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:47,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:47,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:47,501 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 57 treesize of output 33 [2021-07-09 18:13:47,502 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:47,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:47,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:47,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2021-07-09 18:13:47,516 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:47,905 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 137 [2021-07-09 18:13:47,905 INFO L628 ElimStorePlain]: treesize reduction 592, result has 50.5 percent of original size [2021-07-09 18:13:47,905 INFO L518 ElimStorePlain]: Eliminatee v_prenex_173 vanished before elimination [2021-07-09 18:13:47,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:47,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:47,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:13:47,915 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:48,116 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 100 [2021-07-09 18:13:48,116 INFO L628 ElimStorePlain]: treesize reduction 166, result has 70.5 percent of original size [2021-07-09 18:13:48,116 INFO L518 ElimStorePlain]: Eliminatee v_prenex_174 vanished before elimination [2021-07-09 18:13:48,116 INFO L518 ElimStorePlain]: Eliminatee v_prenex_163 vanished before elimination [2021-07-09 18:13:48,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:48,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:48,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:13:48,124 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:48,205 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:48,205 INFO L518 ElimStorePlain]: Eliminatee v_prenex_164 vanished before elimination [2021-07-09 18:13:48,205 INFO L518 ElimStorePlain]: Eliminatee v_prenex_165 vanished before elimination [2021-07-09 18:13:48,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:48,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:48,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2021-07-09 18:13:48,213 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:48,305 INFO L628 ElimStorePlain]: treesize reduction 175, result has 50.0 percent of original size [2021-07-09 18:13:48,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:48,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:48,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-07-09 18:13:48,311 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:48,345 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:48,346 INFO L518 ElimStorePlain]: Eliminatee v_prenex_166 vanished before elimination [2021-07-09 18:13:48,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:48,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:48,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2021-07-09 18:13:48,351 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:48,380 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:48,380 INFO L518 ElimStorePlain]: Eliminatee v_prenex_167 vanished before elimination [2021-07-09 18:13:48,380 INFO L518 ElimStorePlain]: Eliminatee v_prenex_168 vanished before elimination [2021-07-09 18:13:48,380 INFO L518 ElimStorePlain]: Eliminatee v_prenex_157 vanished before elimination [2021-07-09 18:13:48,380 INFO L518 ElimStorePlain]: Eliminatee v_prenex_158 vanished before elimination [2021-07-09 18:13:48,381 INFO L518 ElimStorePlain]: Eliminatee v_prenex_169 vanished before elimination [2021-07-09 18:13:48,381 INFO L518 ElimStorePlain]: Eliminatee v_prenex_159 vanished before elimination [2021-07-09 18:13:48,381 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-07-09 18:13:48,381 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-07-09 18:13:48,382 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-09 18:13:48,382 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 24 variables, input treesize:1361, output treesize:107 [2021-07-09 18:13:48,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-07-09 18:13:48,577 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:48,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-09 18:13:48,581 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:48,593 INFO L628 ElimStorePlain]: treesize reduction 93, result has 5.1 percent of original size [2021-07-09 18:13:48,593 INFO L518 ElimStorePlain]: Eliminatee v_prenex_177 vanished before elimination [2021-07-09 18:13:48,593 INFO L518 ElimStorePlain]: Eliminatee v_prenex_178 vanished before elimination [2021-07-09 18:13:48,593 INFO L518 ElimStorePlain]: Eliminatee v_prenex_179 vanished before elimination [2021-07-09 18:13:48,594 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:13:48,594 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-07-09 18:13:48,599 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:13:48,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086740688] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:13:48,599 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:13:48,599 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-09 18:13:48,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373703786] [2021-07-09 18:13:48,600 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-09 18:13:48,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:13:48,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-09 18:13:48,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2021-07-09 18:13:48,600 INFO L87 Difference]: Start difference. First operand 4829 states and 17345 transitions. Second operand has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:13:48,783 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 48 [2021-07-09 18:13:49,046 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 48 [2021-07-09 18:13:49,256 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 52 [2021-07-09 18:13:49,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:13:49,615 INFO L93 Difference]: Finished difference Result 6215 states and 21916 transitions. [2021-07-09 18:13:49,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-09 18:13:49,615 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 [2021-07-09 18:13:49,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:13:49,627 INFO L225 Difference]: With dead ends: 6215 [2021-07-09 18:13:49,628 INFO L226 Difference]: Without dead ends: 6132 [2021-07-09 18:13:49,629 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1430.7ms TimeCoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2021-07-09 18:13:49,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6132 states. [2021-07-09 18:13:49,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6132 to 4865. [2021-07-09 18:13:49,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4865 states, 4864 states have (on average 3.5886101973684212) internal successors, (17455), 4864 states have internal predecessors, (17455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:13:49,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4865 states to 4865 states and 17455 transitions. [2021-07-09 18:13:49,795 INFO L78 Accepts]: Start accepts. Automaton has 4865 states and 17455 transitions. Word has length 33 [2021-07-09 18:13:49,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:13:49,795 INFO L482 AbstractCegarLoop]: Abstraction has 4865 states and 17455 transitions. [2021-07-09 18:13:49,795 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) [2021-07-09 18:13:49,795 INFO L276 IsEmpty]: Start isEmpty. Operand 4865 states and 17455 transitions. [2021-07-09 18:13:49,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-09 18:13:49,829 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:13:49,829 INFO L508 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] [2021-07-09 18:13:50,045 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable417 [2021-07-09 18:13:50,045 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:13:50,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:13:50,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1784385830, now seen corresponding path program 15 times [2021-07-09 18:13:50,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:13:50,046 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455774357] [2021-07-09 18:13:50,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:13:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:13:50,434 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 52 [2021-07-09 18:13:50,647 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 53 [2021-07-09 18:13:50,788 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 52 [2021-07-09 18:13:50,918 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:13:50,918 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:13:50,918 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455774357] [2021-07-09 18:13:50,918 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455774357] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:13:50,918 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442777934] [2021-07-09 18:13:50,918 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 [2021-07-09 18:13:50,975 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-09 18:13:50,975 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:13:50,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-09 18:13:50,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:13:51,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-09 18:13:51,101 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:51,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:13:51,106 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:51,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:13:51,110 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:51,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:13:51,114 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:51,177 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:51,178 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-09 18:13:51,178 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:237, output treesize:233 [2021-07-09 18:13:51,293 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-07-09 18:13:51,293 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 [2021-07-09 18:13:51,294 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:51,308 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-07-09 18:13:51,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-07-09 18:13:51,309 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:51,322 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-07-09 18:13:51,322 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 [2021-07-09 18:13:51,329 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:51,341 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-07-09 18:13:51,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-07-09 18:13:51,342 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:51,423 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:51,426 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-09 18:13:51,426 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:301, output treesize:297 [2021-07-09 18:13:51,622 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-07-09 18:13:51,844 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-07-09 18:13:52,300 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2021-07-09 18:13:53,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:53,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:53,149 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 18:13:53,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 63 [2021-07-09 18:13:53,154 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:54,111 WARN L205 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2021-07-09 18:13:54,111 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:54,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:54,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:54,181 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:54,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 102 treesize of output 98 [2021-07-09 18:13:54,209 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2021-07-09 18:13:56,253 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 678 DAG size of output: 664 [2021-07-09 18:13:56,255 INFO L628 ElimStorePlain]: treesize reduction 135, result has 94.2 percent of original size [2021-07-09 18:13:56,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:56,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:56,334 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 18:13:56,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 59 [2021-07-09 18:13:56,339 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:57,359 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 667 [2021-07-09 18:13:57,359 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:57,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:57,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:57,435 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 18:13:57,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 66 [2021-07-09 18:13:57,440 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:13:58,439 WARN L205 SmtUtils]: Spent 998.00 ms on a formula simplification that was a NOOP. DAG size: 675 [2021-07-09 18:13:58,440 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:58,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:58,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:13:58,505 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:13:58,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 103 treesize of output 97 [2021-07-09 18:13:58,537 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2021-07-09 18:14:01,599 WARN L205 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 682 DAG size of output: 660 [2021-07-09 18:14:01,600 INFO L628 ElimStorePlain]: treesize reduction 178, result has 92.6 percent of original size [2021-07-09 18:14:01,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:01,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:01,656 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:01,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 122 treesize of output 110 [2021-07-09 18:14:01,730 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2021-07-09 18:14:03,844 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 665 DAG size of output: 644 [2021-07-09 18:14:03,845 INFO L628 ElimStorePlain]: treesize reduction 192, result has 91.9 percent of original size [2021-07-09 18:14:03,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:03,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:03,917 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 18:14:03,918 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 55 [2021-07-09 18:14:03,922 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:14:04,936 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 650 [2021-07-09 18:14:04,937 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:04,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:04,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:05,010 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 18:14:05,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 66 [2021-07-09 18:14:05,015 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:14:06,068 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 661 [2021-07-09 18:14:06,068 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:06,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:06,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:06,143 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 18:14:06,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 48 [2021-07-09 18:14:06,147 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:14:07,189 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 662 [2021-07-09 18:14:07,189 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:07,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:07,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:07,260 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:07,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 143 treesize of output 125 [2021-07-09 18:14:07,291 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 3 xjuncts. [2021-07-09 18:14:10,408 WARN L205 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 669 DAG size of output: 640 [2021-07-09 18:14:10,409 INFO L628 ElimStorePlain]: treesize reduction 204, result has 91.4 percent of original size [2021-07-09 18:14:10,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:10,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:10,484 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 18:14:10,484 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 63 [2021-07-09 18:14:10,490 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2021-07-09 18:14:12,609 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 645 DAG size of output: 643 [2021-07-09 18:14:12,610 INFO L628 ElimStorePlain]: treesize reduction 42, result has 98.1 percent of original size [2021-07-09 18:14:12,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:12,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:12,682 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 18:14:12,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 55 [2021-07-09 18:14:12,689 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2021-07-09 18:14:14,789 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 652 DAG size of output: 648 [2021-07-09 18:14:14,790 INFO L628 ElimStorePlain]: treesize reduction 44, result has 98.0 percent of original size [2021-07-09 18:14:14,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:14,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:14,859 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:14,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 90 [2021-07-09 18:14:14,883 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 4 xjuncts. [2021-07-09 18:14:17,050 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 651 DAG size of output: 637 [2021-07-09 18:14:17,051 INFO L628 ElimStorePlain]: treesize reduction 169, result has 92.7 percent of original size [2021-07-09 18:14:17,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:17,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:17,117 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:17,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 90 [2021-07-09 18:14:17,142 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 4 xjuncts. [2021-07-09 18:14:19,221 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 634 DAG size of output: 622 [2021-07-09 18:14:19,222 INFO L628 ElimStorePlain]: treesize reduction 139, result has 93.8 percent of original size [2021-07-09 18:14:19,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:19,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:19,297 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 18:14:19,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 59 [2021-07-09 18:14:19,304 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2021-07-09 18:14:20,371 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 628 [2021-07-09 18:14:20,371 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:20,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:20,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:20,442 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:20,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 133 treesize of output 115 [2021-07-09 18:14:20,472 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 4 xjuncts. [2021-07-09 18:14:23,839 WARN L205 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 620 DAG size of output: 613 [2021-07-09 18:14:23,840 INFO L628 ElimStorePlain]: treesize reduction 102, result has 95.3 percent of original size [2021-07-09 18:14:23,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:23,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:23,919 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 18:14:23,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2021-07-09 18:14:23,927 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2021-07-09 18:14:25,001 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 615 [2021-07-09 18:14:25,001 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:25,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:25,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:25,073 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 18:14:25,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 48 [2021-07-09 18:14:25,077 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-09 18:14:26,217 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 619 [2021-07-09 18:14:26,218 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:26,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:26,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:26,279 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:26,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 90 [2021-07-09 18:14:26,316 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 3 xjuncts. [2021-07-09 18:14:28,489 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 610 DAG size of output: 605 [2021-07-09 18:14:28,490 INFO L628 ElimStorePlain]: treesize reduction 46, result has 97.8 percent of original size [2021-07-09 18:14:28,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:28,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:28,556 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:28,556 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 96 treesize of output 90 [2021-07-09 18:14:28,615 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 3 xjuncts. [2021-07-09 18:14:30,905 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 611 DAG size of output: 595 [2021-07-09 18:14:30,906 INFO L628 ElimStorePlain]: treesize reduction 192, result has 91.4 percent of original size [2021-07-09 18:14:30,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:30,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:30,978 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 18:14:30,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 48 [2021-07-09 18:14:30,982 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-09 18:14:32,054 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 598 [2021-07-09 18:14:32,054 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:32,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:32,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:32,133 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 18:14:32,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 56 [2021-07-09 18:14:32,137 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-09 18:14:33,227 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 598 [2021-07-09 18:14:33,227 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:33,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:33,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:33,289 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:33,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 98 [2021-07-09 18:14:33,327 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2021-07-09 18:14:35,694 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 606 DAG size of output: 586 [2021-07-09 18:14:35,695 INFO L628 ElimStorePlain]: treesize reduction 201, result has 91.0 percent of original size [2021-07-09 18:14:35,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:35,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:35,760 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:35,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 75 [2021-07-09 18:14:35,795 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 6 xjuncts. [2021-07-09 18:14:38,113 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 589 DAG size of output: 574 [2021-07-09 18:14:38,115 INFO L628 ElimStorePlain]: treesize reduction 211, result has 90.5 percent of original size [2021-07-09 18:14:38,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:38,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:38,188 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 18:14:38,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 48 [2021-07-09 18:14:38,192 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-09 18:14:39,345 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 577 [2021-07-09 18:14:39,345 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:39,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:39,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:39,407 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:39,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 90 [2021-07-09 18:14:39,435 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 2 xjuncts. [2021-07-09 18:14:42,971 WARN L205 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 579 DAG size of output: 564 [2021-07-09 18:14:42,973 INFO L628 ElimStorePlain]: treesize reduction 118, result has 94.4 percent of original size [2021-07-09 18:14:42,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:42,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:43,041 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 18:14:43,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 55 [2021-07-09 18:14:43,046 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-09 18:14:44,273 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 570 [2021-07-09 18:14:44,273 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:44,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:44,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:44,325 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:44,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 98 [2021-07-09 18:14:44,388 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 5 xjuncts. [2021-07-09 18:14:48,026 WARN L205 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 584 DAG size of output: 558 [2021-07-09 18:14:48,027 INFO L628 ElimStorePlain]: treesize reduction 341, result has 85.4 percent of original size [2021-07-09 18:14:48,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:48,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:48,092 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 18:14:48,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 66 [2021-07-09 18:14:48,096 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-09 18:14:49,287 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 567 [2021-07-09 18:14:49,288 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:49,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:49,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:49,344 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:49,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 141 treesize of output 125 [2021-07-09 18:14:49,372 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 3 xjuncts. [2021-07-09 18:14:51,860 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 577 DAG size of output: 549 [2021-07-09 18:14:51,861 INFO L628 ElimStorePlain]: treesize reduction 236, result has 89.4 percent of original size [2021-07-09 18:14:51,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:51,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:51,932 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 18:14:51,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 63 [2021-07-09 18:14:51,937 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-09 18:14:53,202 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 553 [2021-07-09 18:14:53,202 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:53,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:53,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:53,270 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 18:14:53,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 48 [2021-07-09 18:14:53,275 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-09 18:14:54,460 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 557 [2021-07-09 18:14:54,461 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:54,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:54,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:54,523 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:54,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 90 [2021-07-09 18:14:54,547 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 3 xjuncts. [2021-07-09 18:14:57,071 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 556 DAG size of output: 546 [2021-07-09 18:14:57,072 INFO L628 ElimStorePlain]: treesize reduction 91, result has 95.6 percent of original size [2021-07-09 18:14:57,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:57,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:57,137 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 18:14:57,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 55 [2021-07-09 18:14:57,142 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-09 18:14:58,361 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 550 [2021-07-09 18:14:58,362 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:58,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:58,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:58,430 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 18:14:58,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 48 [2021-07-09 18:14:58,434 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-09 18:14:59,632 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 551 [2021-07-09 18:14:59,633 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:59,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:59,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:14:59,687 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:14:59,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 102 treesize of output 98 [2021-07-09 18:14:59,724 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 2 xjuncts. [2021-07-09 18:15:02,217 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 568 DAG size of output: 539 [2021-07-09 18:15:02,218 INFO L628 ElimStorePlain]: treesize reduction 265, result has 88.3 percent of original size [2021-07-09 18:15:02,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:02,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:02,276 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:02,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 75 [2021-07-09 18:15:02,301 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 3 xjuncts. [2021-07-09 18:15:04,862 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 545 DAG size of output: 526 [2021-07-09 18:15:04,864 INFO L628 ElimStorePlain]: treesize reduction 185, result has 91.4 percent of original size [2021-07-09 18:15:04,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:04,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:04,927 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 18:15:04,927 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 63 [2021-07-09 18:15:04,931 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:06,211 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 531 [2021-07-09 18:15:06,212 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:06,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:06,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:06,279 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 18:15:06,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 48 [2021-07-09 18:15:06,283 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:07,588 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 535 [2021-07-09 18:15:07,588 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:07,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:07,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:07,651 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:07,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 100 treesize of output 98 [2021-07-09 18:15:07,688 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 4 xjuncts. [2021-07-09 18:15:10,298 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 538 DAG size of output: 523 [2021-07-09 18:15:10,300 INFO L628 ElimStorePlain]: treesize reduction 174, result has 92.0 percent of original size [2021-07-09 18:15:10,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:10,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:10,361 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:10,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 90 [2021-07-09 18:15:10,398 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 6 xjuncts. [2021-07-09 18:15:12,993 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 533 DAG size of output: 509 [2021-07-09 18:15:12,994 INFO L628 ElimStorePlain]: treesize reduction 292, result has 87.0 percent of original size [2021-07-09 18:15:13,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:13,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:13,051 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:13,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 84 [2021-07-09 18:15:13,074 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 4 xjuncts. [2021-07-09 18:15:15,536 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 512 DAG size of output: 500 [2021-07-09 18:15:15,537 INFO L628 ElimStorePlain]: treesize reduction 130, result has 93.7 percent of original size [2021-07-09 18:15:15,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:15,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:15,591 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:15,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 75 [2021-07-09 18:15:15,608 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2021-07-09 18:15:18,103 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 497 DAG size of output: 490 [2021-07-09 18:15:18,104 INFO L628 ElimStorePlain]: treesize reduction 69, result has 96.5 percent of original size [2021-07-09 18:15:18,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:18,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:18,155 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:18,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 100 treesize of output 98 [2021-07-09 18:15:18,181 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 5 xjuncts. [2021-07-09 18:15:20,702 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 495 DAG size of output: 477 [2021-07-09 18:15:20,703 INFO L628 ElimStorePlain]: treesize reduction 240, result has 88.8 percent of original size [2021-07-09 18:15:20,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:20,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:20,773 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 18:15:20,773 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 50 treesize of output 48 [2021-07-09 18:15:20,777 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:22,019 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 476 [2021-07-09 18:15:22,020 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:22,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:22,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:22,090 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 18:15:22,090 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 59 [2021-07-09 18:15:22,094 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:23,354 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 481 [2021-07-09 18:15:23,355 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:23,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:23,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:23,406 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:23,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 75 [2021-07-09 18:15:23,430 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 2 xjuncts. [2021-07-09 18:15:25,883 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 474 DAG size of output: 471 [2021-07-09 18:15:25,884 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.6 percent of original size [2021-07-09 18:15:25,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:25,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:25,935 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:25,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 97 [2021-07-09 18:15:25,966 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 4 xjuncts. [2021-07-09 18:15:29,701 WARN L205 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 480 DAG size of output: 457 [2021-07-09 18:15:29,702 INFO L628 ElimStorePlain]: treesize reduction 210, result has 89.9 percent of original size [2021-07-09 18:15:29,817 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-0 vars, 48 dim-1 vars, End of recursive call: 24 dim-0 vars, and 24 xjuncts. [2021-07-09 18:15:29,817 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 72 variables, input treesize:2209, output treesize:1876 [2021-07-09 18:15:30,263 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 98 [2021-07-09 18:15:31,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:31,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:15:31,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:15:31,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 18:15:31,182 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:31,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:31,186 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:15:31,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 18:15:31,188 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:31,269 INFO L628 ElimStorePlain]: treesize reduction 111, result has 45.0 percent of original size [2021-07-09 18:15:31,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:31,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:15:31,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 18:15:31,275 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:31,301 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:31,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:15:31,306 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:31,329 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:31,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:31,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:15:31,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 18:15:31,333 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:31,353 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:31,355 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:15:31,355 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:237, output treesize:5 [2021-07-09 18:15:31,361 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:15:31,361 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442777934] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:15:31,361 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:15:31,361 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-07-09 18:15:31,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538279299] [2021-07-09 18:15:31,362 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-09 18:15:31,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:15:31,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-09 18:15:31,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2021-07-09 18:15:31,362 INFO L87 Difference]: Start difference. First operand 4865 states and 17455 transitions. Second operand has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:15:31,753 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2021-07-09 18:15:32,048 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2021-07-09 18:15:32,305 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 78 [2021-07-09 18:15:32,901 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2021-07-09 18:15:33,144 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 83 [2021-07-09 18:15:33,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:15:33,274 INFO L93 Difference]: Finished difference Result 7016 states and 24575 transitions. [2021-07-09 18:15:33,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 18:15:33,274 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 [2021-07-09 18:15:33,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:15:33,288 INFO L225 Difference]: With dead ends: 7016 [2021-07-09 18:15:33,288 INFO L226 Difference]: Without dead ends: 6825 [2021-07-09 18:15:33,288 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 3438.0ms TimeCoverageRelationStatistics Valid=129, Invalid=741, Unknown=0, NotChecked=0, Total=870 [2021-07-09 18:15:33,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6825 states. [2021-07-09 18:15:33,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6825 to 5010. [2021-07-09 18:15:33,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5010 states, 5009 states have (on average 3.577560391295668) internal successors, (17920), 5009 states have internal predecessors, (17920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:15:33,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5010 states to 5010 states and 17920 transitions. [2021-07-09 18:15:33,378 INFO L78 Accepts]: Start accepts. Automaton has 5010 states and 17920 transitions. Word has length 33 [2021-07-09 18:15:33,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:15:33,378 INFO L482 AbstractCegarLoop]: Abstraction has 5010 states and 17920 transitions. [2021-07-09 18:15:33,378 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) [2021-07-09 18:15:33,378 INFO L276 IsEmpty]: Start isEmpty. Operand 5010 states and 17920 transitions. [2021-07-09 18:15:33,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-09 18:15:33,387 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:15:33,387 INFO L508 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] [2021-07-09 18:15:33,601 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable471,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:15:33,601 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:15:33,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:15:33,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1751058778, now seen corresponding path program 16 times [2021-07-09 18:15:33,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:15:33,601 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702753791] [2021-07-09 18:15:33,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:15:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:15:34,241 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:15:34,241 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:15:34,241 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702753791] [2021-07-09 18:15:34,242 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702753791] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:15:34,242 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435910449] [2021-07-09 18:15:34,242 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 [2021-07-09 18:15:34,271 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 18:15:34,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:15:34,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-09 18:15:34,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:15:34,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:15:34,418 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:34,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:15:34,423 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:34,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:15:34,428 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:34,432 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 [2021-07-09 18:15:34,432 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:34,511 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:34,512 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-09 18:15:34,512 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:277, output treesize:273 [2021-07-09 18:15:34,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:34,630 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 30 treesize of output 32 [2021-07-09 18:15:34,631 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:34,707 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:34,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:34,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:15:34,716 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:34,794 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:34,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:34,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:15:34,800 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:34,913 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-07-09 18:15:34,914 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:34,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:34,919 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 30 treesize of output 32 [2021-07-09 18:15:34,920 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:34,998 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:34,999 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-09 18:15:34,999 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:309, output treesize:305 [2021-07-09 18:15:35,336 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-07-09 18:15:35,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:35,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:15:35,370 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:35,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:35,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:15:35,376 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:35,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:35,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2021-07-09 18:15:35,382 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:35,693 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2021-07-09 18:15:35,694 INFO L628 ElimStorePlain]: treesize reduction 234, result has 72.4 percent of original size [2021-07-09 18:15:35,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:35,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:15:35,700 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:35,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:35,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:15:35,706 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:35,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:35,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:15:35,712 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:35,844 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-07-09 18:15:35,844 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:35,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:35,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:15:35,850 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:35,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:35,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:15:35,855 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:35,973 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-07-09 18:15:35,973 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:35,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:35,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:15:35,979 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:35,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:35,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:15:35,983 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:36,096 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-07-09 18:15:36,097 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:36,098 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-07-09 18:15:36,098 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 4 variables, input treesize:909, output treesize:443 [2021-07-09 18:15:36,223 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-07-09 18:15:36,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-09 18:15:36,737 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:36,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-09 18:15:36,759 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:36,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:15:36,781 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:36,791 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 27 treesize of output 17 [2021-07-09 18:15:36,792 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:37,823 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 236 [2021-07-09 18:15:37,823 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:37,836 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 27 treesize of output 15 [2021-07-09 18:15:37,837 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:37,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-07-09 18:15:37,847 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:38,234 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 5 [2021-07-09 18:15:38,234 INFO L628 ElimStorePlain]: treesize reduction 1657, result has 0.3 percent of original size [2021-07-09 18:15:38,234 INFO L518 ElimStorePlain]: Eliminatee v_prenex_260 vanished before elimination [2021-07-09 18:15:38,234 INFO L518 ElimStorePlain]: Eliminatee v_prenex_272 vanished before elimination [2021-07-09 18:15:38,234 INFO L518 ElimStorePlain]: Eliminatee v_prenex_261 vanished before elimination [2021-07-09 18:15:38,234 INFO L518 ElimStorePlain]: Eliminatee v_prenex_273 vanished before elimination [2021-07-09 18:15:38,234 INFO L518 ElimStorePlain]: Eliminatee v_prenex_262 vanished before elimination [2021-07-09 18:15:38,235 INFO L518 ElimStorePlain]: Eliminatee v_prenex_274 vanished before elimination [2021-07-09 18:15:38,235 INFO L518 ElimStorePlain]: Eliminatee v_prenex_263 vanished before elimination [2021-07-09 18:15:38,235 INFO L518 ElimStorePlain]: Eliminatee v_prenex_264 vanished before elimination [2021-07-09 18:15:38,235 INFO L518 ElimStorePlain]: Eliminatee v_prenex_275 vanished before elimination [2021-07-09 18:15:38,235 INFO L518 ElimStorePlain]: Eliminatee v_prenex_265 vanished before elimination [2021-07-09 18:15:38,235 INFO L518 ElimStorePlain]: Eliminatee v_prenex_266 vanished before elimination [2021-07-09 18:15:38,235 INFO L518 ElimStorePlain]: Eliminatee v_prenex_267 vanished before elimination [2021-07-09 18:15:38,235 INFO L518 ElimStorePlain]: Eliminatee v_prenex_268 vanished before elimination [2021-07-09 18:15:38,235 INFO L518 ElimStorePlain]: Eliminatee v_prenex_269 vanished before elimination [2021-07-09 18:15:38,235 INFO L518 ElimStorePlain]: Eliminatee v_prenex_258 vanished before elimination [2021-07-09 18:15:38,235 INFO L518 ElimStorePlain]: Eliminatee v_prenex_259 vanished before elimination [2021-07-09 18:15:38,235 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-07-09 18:15:38,235 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-07-09 18:15:38,235 INFO L550 ElimStorePlain]: Start of recursive call 1: 20 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:15:38,236 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 20 variables, input treesize:1841, output treesize:5 [2021-07-09 18:15:38,245 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:15:38,245 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435910449] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:15:38,246 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:15:38,246 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-09 18:15:38,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413701758] [2021-07-09 18:15:38,246 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-09 18:15:38,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:15:38,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-09 18:15:38,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2021-07-09 18:15:38,246 INFO L87 Difference]: Start difference. First operand 5010 states and 17920 transitions. Second operand has 21 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 20 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:15:38,724 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 54 [2021-07-09 18:15:39,010 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2021-07-09 18:15:39,210 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-07-09 18:15:39,427 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-07-09 18:15:39,669 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-07-09 18:15:39,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:15:39,746 INFO L93 Difference]: Finished difference Result 6698 states and 23616 transitions. [2021-07-09 18:15:39,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 18:15:39,747 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 [2021-07-09 18:15:39,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:15:39,761 INFO L225 Difference]: With dead ends: 6698 [2021-07-09 18:15:39,761 INFO L226 Difference]: Without dead ends: 6550 [2021-07-09 18:15:39,761 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 2048.8ms TimeCoverageRelationStatistics Valid=136, Invalid=566, Unknown=0, NotChecked=0, Total=702 [2021-07-09 18:15:39,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6550 states. [2021-07-09 18:15:39,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6550 to 5024. [2021-07-09 18:15:39,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5024 states, 5023 states have (on average 3.580728648218196) internal successors, (17986), 5023 states have internal predecessors, (17986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:15:39,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5024 states to 5024 states and 17986 transitions. [2021-07-09 18:15:39,920 INFO L78 Accepts]: Start accepts. Automaton has 5024 states and 17986 transitions. Word has length 33 [2021-07-09 18:15:39,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:15:39,920 INFO L482 AbstractCegarLoop]: Abstraction has 5024 states and 17986 transitions. [2021-07-09 18:15:39,920 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) [2021-07-09 18:15:39,920 INFO L276 IsEmpty]: Start isEmpty. Operand 5024 states and 17986 transitions. [2021-07-09 18:15:39,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-09 18:15:39,944 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:15:39,945 INFO L508 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] [2021-07-09 18:15:40,161 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1130,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:15:40,161 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:15:40,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:15:40,161 INFO L82 PathProgramCache]: Analyzing trace with hash -320803294, now seen corresponding path program 17 times [2021-07-09 18:15:40,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:15:40,161 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879771325] [2021-07-09 18:15:40,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:15:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:15:40,782 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 39 [2021-07-09 18:15:40,889 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:15:40,889 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:15:40,889 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879771325] [2021-07-09 18:15:40,889 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879771325] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:15:40,889 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221529639] [2021-07-09 18:15:40,889 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 [2021-07-09 18:15:40,919 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-09 18:15:40,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:15:40,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-09 18:15:40,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:15:41,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:15:41,015 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:41,027 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:41,027 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:15:41,027 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-07-09 18:15:41,504 INFO L446 ElimStorePlain]: Different costs {1=[v_C_28], 3=[A, B]} [2021-07-09 18:15:41,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:41,513 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 30 treesize of output 32 [2021-07-09 18:15:41,514 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:41,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:41,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:15:41,524 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:41,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:41,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:15:41,534 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:41,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:41,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:15:41,544 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:41,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:41,553 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 [2021-07-09 18:15:41,554 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:41,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:41,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:15:41,564 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:41,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:41,574 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 [2021-07-09 18:15:41,574 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:41,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:41,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:15:41,585 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:41,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:41,595 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 30 treesize of output 32 [2021-07-09 18:15:41,595 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:41,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:41,604 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 30 treesize of output 32 [2021-07-09 18:15:41,605 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:41,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:41,614 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 30 treesize of output 32 [2021-07-09 18:15:41,615 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:41,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:41,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:15:41,624 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:41,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:41,633 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 30 treesize of output 32 [2021-07-09 18:15:41,634 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:41,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:41,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:15:41,644 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:41,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:41,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:15:41,653 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:41,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:41,660 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 30 treesize of output 32 [2021-07-09 18:15:41,661 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,008 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-07-09 18:15:42,008 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:42,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-07-09 18:15:42,017 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-07-09 18:15:42,026 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-07-09 18:15:42,035 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-07-09 18:15:42,045 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,054 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 39 [2021-07-09 18:15:42,055 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-07-09 18:15:42,064 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-07-09 18:15:42,073 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-07-09 18:15:42,082 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,091 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 61 treesize of output 39 [2021-07-09 18:15:42,092 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-07-09 18:15:42,101 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-07-09 18:15:42,110 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-07-09 18:15:42,119 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,127 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 57 treesize of output 39 [2021-07-09 18:15:42,128 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,136 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 61 treesize of output 39 [2021-07-09 18:15:42,137 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-07-09 18:15:42,147 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-07-09 18:15:42,154 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,377 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-07-09 18:15:42,377 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:42,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,386 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 53 treesize of output 33 [2021-07-09 18:15:42,387 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2021-07-09 18:15:42,396 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2021-07-09 18:15:42,410 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,419 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 69 treesize of output 41 [2021-07-09 18:15:42,420 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 35 [2021-07-09 18:15:42,429 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 33 [2021-07-09 18:15:42,438 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-07-09 18:15:42,448 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,456 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 65 treesize of output 41 [2021-07-09 18:15:42,457 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,465 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 67 treesize of output 39 [2021-07-09 18:15:42,467 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2021-07-09 18:15:42,476 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,484 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 55 treesize of output 35 [2021-07-09 18:15:42,485 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,508 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 59 treesize of output 35 [2021-07-09 18:15:42,509 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,516 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 67 treesize of output 39 [2021-07-09 18:15:42,517 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:15:42,526 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 41 [2021-07-09 18:15:42,535 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:42,540 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 57 treesize of output 33 [2021-07-09 18:15:42,541 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,628 INFO L628 ElimStorePlain]: treesize reduction 236, result has 35.0 percent of original size [2021-07-09 18:15:42,629 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-09 18:15:42,629 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 3 variables, input treesize:1425, output treesize:127 [2021-07-09 18:15:42,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:15:42,890 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-09 18:15:42,893 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,903 INFO L628 ElimStorePlain]: treesize reduction 93, result has 5.1 percent of original size [2021-07-09 18:15:42,903 INFO L518 ElimStorePlain]: Eliminatee v_prenex_276 vanished before elimination [2021-07-09 18:15:42,903 INFO L518 ElimStorePlain]: Eliminatee v_prenex_277 vanished before elimination [2021-07-09 18:15:42,903 INFO L518 ElimStorePlain]: Eliminatee v_prenex_278 vanished before elimination [2021-07-09 18:15:42,904 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:15:42,904 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-07-09 18:15:42,908 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:15:42,908 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221529639] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:15:42,908 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:15:42,908 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2021-07-09 18:15:42,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444754059] [2021-07-09 18:15:42,909 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-09 18:15:42,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:15:42,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-09 18:15:42,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2021-07-09 18:15:42,909 INFO L87 Difference]: Start difference. First operand 5024 states and 17986 transitions. Second operand has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:15:43,462 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2021-07-09 18:15:43,797 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2021-07-09 18:15:44,002 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2021-07-09 18:15:44,367 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 81 [2021-07-09 18:15:44,768 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2021-07-09 18:15:45,092 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2021-07-09 18:15:45,421 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2021-07-09 18:15:45,550 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2021-07-09 18:15:45,788 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2021-07-09 18:15:46,167 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2021-07-09 18:15:46,405 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2021-07-09 18:15:46,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:15:46,847 INFO L93 Difference]: Finished difference Result 9838 states and 33027 transitions. [2021-07-09 18:15:46,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-09 18:15:46,847 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 [2021-07-09 18:15:46,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:15:46,866 INFO L225 Difference]: With dead ends: 9838 [2021-07-09 18:15:46,866 INFO L226 Difference]: Without dead ends: 9476 [2021-07-09 18:15:46,867 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 3490.2ms TimeCoverageRelationStatistics Valid=445, Invalid=1811, Unknown=0, NotChecked=0, Total=2256 [2021-07-09 18:15:46,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9476 states. [2021-07-09 18:15:46,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9476 to 5662. [2021-07-09 18:15:47,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5662 states, 5661 states have (on average 3.5786963434022256) internal successors, (20259), 5661 states have internal predecessors, (20259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:15:47,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5662 states to 5662 states and 20259 transitions. [2021-07-09 18:15:47,048 INFO L78 Accepts]: Start accepts. Automaton has 5662 states and 20259 transitions. Word has length 33 [2021-07-09 18:15:47,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:15:47,048 INFO L482 AbstractCegarLoop]: Abstraction has 5662 states and 20259 transitions. [2021-07-09 18:15:47,048 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) [2021-07-09 18:15:47,048 INFO L276 IsEmpty]: Start isEmpty. Operand 5662 states and 20259 transitions. [2021-07-09 18:15:47,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-09 18:15:47,072 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:15:47,072 INFO L508 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] [2021-07-09 18:15:47,272 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1258,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:15:47,273 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:15:47,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:15:47,273 INFO L82 PathProgramCache]: Analyzing trace with hash 875509148, now seen corresponding path program 18 times [2021-07-09 18:15:47,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:15:47,273 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76023813] [2021-07-09 18:15:47,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:15:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:15:47,853 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:15:47,853 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:15:47,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76023813] [2021-07-09 18:15:47,853 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76023813] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:15:47,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027618111] [2021-07-09 18:15:47,853 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 [2021-07-09 18:15:47,889 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-09 18:15:47,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:15:47,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-09 18:15:47,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:15:47,989 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 12 treesize of output 11 [2021-07-09 18:15:47,990 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:48,001 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:48,001 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:15:48,002 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-09 18:15:48,356 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-07-09 18:15:49,087 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 50 treesize of output 36 [2021-07-09 18:15:49,089 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-07-09 18:15:49,099 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,106 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 41 treesize of output 29 [2021-07-09 18:15:49,107 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,115 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 41 treesize of output 29 [2021-07-09 18:15:49,117 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-07-09 18:15:49,127 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,136 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 50 treesize of output 36 [2021-07-09 18:15:49,138 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-07-09 18:15:49,148 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-07-09 18:15:49,159 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-07-09 18:15:49,173 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-07-09 18:15:49,187 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 18:15:49,199 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-07-09 18:15:49,213 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,226 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 41 treesize of output 29 [2021-07-09 18:15:49,228 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,239 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 43 treesize of output 29 [2021-07-09 18:15:49,241 INFO L550 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,253 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 41 treesize of output 29 [2021-07-09 18:15:49,255 INFO L550 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-07-09 18:15:49,274 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,293 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 52 treesize of output 36 [2021-07-09 18:15:49,295 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,314 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 50 treesize of output 36 [2021-07-09 18:15:49,316 INFO L550 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,328 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 36 [2021-07-09 18:15:49,330 INFO L550 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-07-09 18:15:49,345 INFO L550 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:15:49,368 INFO L550 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,381 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 41 treesize of output 29 [2021-07-09 18:15:49,383 INFO L550 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-07-09 18:15:49,400 INFO L550 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,429 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 41 treesize of output 29 [2021-07-09 18:15:49,431 INFO L550 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-07-09 18:15:49,449 INFO L550 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,507 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 52 treesize of output 36 [2021-07-09 18:15:49,510 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,537 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 41 treesize of output 29 [2021-07-09 18:15:49,539 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,555 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 [2021-07-09 18:15:49,558 INFO L550 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,575 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 43 treesize of output 29 [2021-07-09 18:15:49,577 INFO L550 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,593 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 52 treesize of output 36 [2021-07-09 18:15:49,596 INFO L550 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,609 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 50 treesize of output 36 [2021-07-09 18:15:49,611 INFO L550 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:49,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-07-09 18:15:49,633 INFO L550 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:51,437 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 265 [2021-07-09 18:15:51,437 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:51,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-07-09 18:15:51,469 INFO L550 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:51,495 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 39 treesize of output 25 [2021-07-09 18:15:51,497 INFO L550 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:51,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:15:51,527 INFO L550 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:51,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-07-09 18:15:51,561 INFO L550 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:51,593 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 37 treesize of output 25 [2021-07-09 18:15:51,595 INFO L550 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:51,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-07-09 18:15:51,636 INFO L550 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:51,668 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 37 treesize of output 25 [2021-07-09 18:15:51,670 INFO L550 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:51,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-07-09 18:15:51,703 INFO L550 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:51,733 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 39 treesize of output 25 [2021-07-09 18:15:51,735 INFO L550 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:51,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-07-09 18:15:51,770 INFO L550 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:51,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-07-09 18:15:51,806 INFO L550 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:51,834 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 52 treesize of output 34 [2021-07-09 18:15:51,836 INFO L550 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:51,866 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 39 treesize of output 25 [2021-07-09 18:15:51,868 INFO L550 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:51,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-07-09 18:15:51,901 INFO L550 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:51,927 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 46 treesize of output 30 [2021-07-09 18:15:51,929 INFO L550 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:51,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-07-09 18:15:51,958 INFO L550 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:51,982 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 39 treesize of output 25 [2021-07-09 18:15:51,984 INFO L550 ElimStorePlain]: Start of recursive call 50: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:52,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-07-09 18:15:52,015 INFO L550 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:52,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-07-09 18:15:52,044 INFO L550 ElimStorePlain]: Start of recursive call 52: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:52,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-07-09 18:15:52,074 INFO L550 ElimStorePlain]: Start of recursive call 53: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:52,103 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 37 treesize of output 25 [2021-07-09 18:15:52,105 INFO L550 ElimStorePlain]: Start of recursive call 54: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:52,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-07-09 18:15:52,133 INFO L550 ElimStorePlain]: Start of recursive call 55: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:52,163 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 39 treesize of output 25 [2021-07-09 18:15:52,165 INFO L550 ElimStorePlain]: Start of recursive call 56: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:52,194 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 50 treesize of output 34 [2021-07-09 18:15:52,196 INFO L550 ElimStorePlain]: Start of recursive call 57: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:52,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-07-09 18:15:52,224 INFO L550 ElimStorePlain]: Start of recursive call 58: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:52,250 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 50 treesize of output 34 [2021-07-09 18:15:52,251 INFO L550 ElimStorePlain]: Start of recursive call 59: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:52,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-07-09 18:15:52,280 INFO L550 ElimStorePlain]: Start of recursive call 60: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:52,307 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 44 treesize of output 30 [2021-07-09 18:15:52,309 INFO L550 ElimStorePlain]: Start of recursive call 61: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:52,337 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 37 treesize of output 25 [2021-07-09 18:15:52,339 INFO L550 ElimStorePlain]: Start of recursive call 62: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:52,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-07-09 18:15:52,368 INFO L550 ElimStorePlain]: Start of recursive call 63: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:52,391 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 52 treesize of output 34 [2021-07-09 18:15:52,393 INFO L550 ElimStorePlain]: Start of recursive call 64: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:52,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-07-09 18:15:52,412 INFO L550 ElimStorePlain]: Start of recursive call 65: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 18:15:55,567 WARN L205 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 328 DAG size of output: 327 [2021-07-09 18:15:55,568 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.5 percent of original size [2021-07-09 18:15:55,593 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 21 treesize of output 21 [2021-07-09 18:15:55,594 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:55,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-07-09 18:15:55,626 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:55,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:15:55,657 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:55,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-07-09 18:15:55,689 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:55,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-07-09 18:15:55,727 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:55,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-07-09 18:15:55,771 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:55,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:15:55,813 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:55,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-07-09 18:15:55,858 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:55,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:15:55,902 INFO L550 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:55,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-07-09 18:15:55,946 INFO L550 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:55,976 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 [2021-07-09 18:15:55,977 INFO L550 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:56,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-07-09 18:15:56,005 INFO L550 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:56,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-07-09 18:15:56,035 INFO L550 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:56,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-07-09 18:15:56,066 INFO L550 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:56,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-07-09 18:15:56,095 INFO L550 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:56,124 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 [2021-07-09 18:15:56,125 INFO L550 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:56,236 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 21 treesize of output 21 [2021-07-09 18:15:56,237 INFO L550 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:56,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:15:56,255 INFO L550 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:56,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-07-09 18:15:56,275 INFO L550 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:56,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-07-09 18:15:56,293 INFO L550 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:56,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-07-09 18:15:56,330 INFO L550 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:56,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-07-09 18:15:56,353 INFO L550 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:56,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-07-09 18:15:56,375 INFO L550 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:56,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:15:56,398 INFO L550 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:56,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-07-09 18:15:56,421 INFO L550 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:56,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-07-09 18:15:56,443 INFO L550 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:56,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-07-09 18:15:56,466 INFO L550 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:56,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:15:56,489 INFO L550 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:56,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:15:56,514 INFO L550 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:56,537 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 21 treesize of output 21 [2021-07-09 18:15:56,538 INFO L550 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:56,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-07-09 18:15:56,562 INFO L550 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:56,583 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 16 treesize of output 18 [2021-07-09 18:15:56,584 INFO L550 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:57,071 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-07-09 18:15:57,071 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:57,084 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 17 xjuncts. [2021-07-09 18:15:57,084 INFO L247 ElimStorePlain]: Needed 97 recursive calls to eliminate 3 variables, input treesize:2241, output treesize:405 [2021-07-09 18:15:57,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:15:57,235 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:57,251 INFO L628 ElimStorePlain]: treesize reduction 108, result has 4.4 percent of original size [2021-07-09 18:15:57,251 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-07-09 18:15:57,251 INFO L518 ElimStorePlain]: Eliminatee v_prenex_281 vanished before elimination [2021-07-09 18:15:57,251 INFO L518 ElimStorePlain]: Eliminatee v_prenex_279 vanished before elimination [2021-07-09 18:15:57,252 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:15:57,252 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-07-09 18:15:57,257 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:15:57,257 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027618111] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:15:57,257 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:15:57,258 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-07-09 18:15:57,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028666196] [2021-07-09 18:15:57,258 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-09 18:15:57,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:15:57,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-09 18:15:57,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=448, Unknown=0, NotChecked=0, Total=552 [2021-07-09 18:15:57,259 INFO L87 Difference]: Start difference. First operand 5662 states and 20259 transitions. Second operand has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:15:57,802 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2021-07-09 18:15:58,021 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2021-07-09 18:15:58,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:15:58,340 INFO L93 Difference]: Finished difference Result 7340 states and 25658 transitions. [2021-07-09 18:15:58,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 18:15:58,340 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 [2021-07-09 18:15:58,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:15:58,355 INFO L225 Difference]: With dead ends: 7340 [2021-07-09 18:15:58,355 INFO L226 Difference]: Without dead ends: 7145 [2021-07-09 18:15:58,356 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 1363.6ms TimeCoverageRelationStatistics Valid=166, Invalid=764, Unknown=0, NotChecked=0, Total=930 [2021-07-09 18:15:58,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7145 states. [2021-07-09 18:15:58,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7145 to 5610. [2021-07-09 18:15:58,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5610 states, 5609 states have (on average 3.5785344981280085) internal successors, (20072), 5609 states have internal predecessors, (20072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:15:58,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5610 states to 5610 states and 20072 transitions. [2021-07-09 18:15:58,448 INFO L78 Accepts]: Start accepts. Automaton has 5610 states and 20072 transitions. Word has length 33 [2021-07-09 18:15:58,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:15:58,448 INFO L482 AbstractCegarLoop]: Abstraction has 5610 states and 20072 transitions. [2021-07-09 18:15:58,448 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) [2021-07-09 18:15:58,448 INFO L276 IsEmpty]: Start isEmpty. Operand 5610 states and 20072 transitions. [2021-07-09 18:15:58,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-09 18:15:58,459 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:15:58,459 INFO L508 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] [2021-07-09 18:15:58,674 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1305 [2021-07-09 18:15:58,675 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:15:58,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:15:58,675 INFO L82 PathProgramCache]: Analyzing trace with hash 129571106, now seen corresponding path program 19 times [2021-07-09 18:15:58,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:15:58,675 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146937695] [2021-07-09 18:15:58,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:15:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:15:59,126 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 53 [2021-07-09 18:15:59,270 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2021-07-09 18:15:59,402 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:15:59,403 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:15:59,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146937695] [2021-07-09 18:15:59,403 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146937695] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:15:59,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863249695] [2021-07-09 18:15:59,403 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 [2021-07-09 18:15:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:15:59,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-09 18:15:59,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:15:59,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:15:59,553 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:59,564 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:59,564 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:15:59,564 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-07-09 18:15:59,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:59,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:15:59,687 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:59,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:59,704 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 [2021-07-09 18:15:59,705 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:59,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:59,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:15:59,713 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:59,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:15:59,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:15:59,720 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:15:59,802 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:15:59,803 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-09 18:15:59,804 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:285, output treesize:281 [2021-07-09 18:16:00,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:00,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:00,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-07-09 18:16:00,097 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:00,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:00,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:00,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-07-09 18:16:00,109 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:00,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:00,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:00,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-07-09 18:16:00,129 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:00,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:00,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:00,137 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 61 treesize of output 39 [2021-07-09 18:16:00,138 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:00,632 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-07-09 18:16:00,632 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:00,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:00,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:00,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:16:00,645 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:00,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:00,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:00,655 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 69 treesize of output 41 [2021-07-09 18:16:00,657 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:00,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:00,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:00,667 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 59 treesize of output 35 [2021-07-09 18:16:00,668 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:00,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:00,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:00,675 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 65 treesize of output 41 [2021-07-09 18:16:00,677 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:01,448 WARN L205 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2021-07-09 18:16:01,448 INFO L628 ElimStorePlain]: treesize reduction 26, result has 97.6 percent of original size [2021-07-09 18:16:01,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:01,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:01,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-07-09 18:16:01,459 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:01,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:01,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:01,469 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 57 treesize of output 39 [2021-07-09 18:16:01,470 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:01,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:01,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:01,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-07-09 18:16:01,484 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:01,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:01,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:01,491 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 57 treesize of output 39 [2021-07-09 18:16:01,491 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:01,815 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-07-09 18:16:01,815 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:01,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:01,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:01,825 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 65 treesize of output 41 [2021-07-09 18:16:01,826 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:01,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:01,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:01,836 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 55 treesize of output 35 [2021-07-09 18:16:01,837 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:01,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:01,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:01,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2021-07-09 18:16:01,848 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:01,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:01,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:01,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2021-07-09 18:16:01,855 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:01,988 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 25 [2021-07-09 18:16:01,988 INFO L628 ElimStorePlain]: treesize reduction 702, result has 13.2 percent of original size [2021-07-09 18:16:01,988 INFO L518 ElimStorePlain]: Eliminatee v_prenex_284 vanished before elimination [2021-07-09 18:16:01,988 INFO L518 ElimStorePlain]: Eliminatee v_prenex_285 vanished before elimination [2021-07-09 18:16:01,988 INFO L518 ElimStorePlain]: Eliminatee v_prenex_286 vanished before elimination [2021-07-09 18:16:01,989 INFO L518 ElimStorePlain]: Eliminatee v_prenex_287 vanished before elimination [2021-07-09 18:16:01,989 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-09 18:16:01,989 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 8 variables, input treesize:1329, output treesize:107 [2021-07-09 18:16:02,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:16:02,176 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:02,192 INFO L628 ElimStorePlain]: treesize reduction 108, result has 4.4 percent of original size [2021-07-09 18:16:02,192 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-07-09 18:16:02,192 INFO L518 ElimStorePlain]: Eliminatee v_prenex_288 vanished before elimination [2021-07-09 18:16:02,192 INFO L518 ElimStorePlain]: Eliminatee v_prenex_289 vanished before elimination [2021-07-09 18:16:02,193 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:16:02,193 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-07-09 18:16:02,199 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:16:02,199 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863249695] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:16:02,199 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:16:02,199 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-09 18:16:02,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781847857] [2021-07-09 18:16:02,199 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-09 18:16:02,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:16:02,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-09 18:16:02,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2021-07-09 18:16:02,199 INFO L87 Difference]: Start difference. First operand 5610 states and 20072 transitions. Second operand has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:16:02,636 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 48 [2021-07-09 18:16:02,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:16:02,954 INFO L93 Difference]: Finished difference Result 7215 states and 25241 transitions. [2021-07-09 18:16:02,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-09 18:16:02,954 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 [2021-07-09 18:16:02,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:16:02,969 INFO L225 Difference]: With dead ends: 7215 [2021-07-09 18:16:02,969 INFO L226 Difference]: Without dead ends: 7120 [2021-07-09 18:16:02,969 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1316.9ms TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2021-07-09 18:16:02,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7120 states. [2021-07-09 18:16:03,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7120 to 5721. [2021-07-09 18:16:03,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5721 states, 5720 states have (on average 3.573776223776224) internal successors, (20442), 5720 states have internal predecessors, (20442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:16:03,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5721 states to 5721 states and 20442 transitions. [2021-07-09 18:16:03,061 INFO L78 Accepts]: Start accepts. Automaton has 5721 states and 20442 transitions. Word has length 33 [2021-07-09 18:16:03,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:16:03,061 INFO L482 AbstractCegarLoop]: Abstraction has 5721 states and 20442 transitions. [2021-07-09 18:16:03,061 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) [2021-07-09 18:16:03,061 INFO L276 IsEmpty]: Start isEmpty. Operand 5721 states and 20442 transitions. [2021-07-09 18:16:03,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-09 18:16:03,071 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:16:03,071 INFO L508 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] [2021-07-09 18:16:03,285 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1470,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:16:03,285 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:16:03,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:16:03,285 INFO L82 PathProgramCache]: Analyzing trace with hash 800704726, now seen corresponding path program 20 times [2021-07-09 18:16:03,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:16:03,286 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659511462] [2021-07-09 18:16:03,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:16:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:16:03,741 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:16:03,741 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:16:03,741 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659511462] [2021-07-09 18:16:03,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659511462] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:16:03,741 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989858325] [2021-07-09 18:16:03,742 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) [2021-07-09 18:16:03,774 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 18:16:03,775 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:16:03,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-09 18:16:03,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:16:03,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:16:03,869 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:03,880 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:03,881 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:16:03,881 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-09 18:16:03,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:16:03,967 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:03,973 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 24 treesize of output 26 [2021-07-09 18:16:03,974 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:03,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:16:03,981 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:03,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-07-09 18:16:03,988 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:04,059 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:04,060 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-09 18:16:04,060 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:253, output treesize:249 [2021-07-09 18:16:04,349 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-07-09 18:16:04,788 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 51 treesize of output 35 [2021-07-09 18:16:04,789 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:04,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:16:04,801 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:04,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-07-09 18:16:04,813 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:04,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 28 [2021-07-09 18:16:04,825 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:04,836 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 49 treesize of output 35 [2021-07-09 18:16:04,838 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:04,850 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 42 treesize of output 28 [2021-07-09 18:16:04,852 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:04,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-07-09 18:16:04,864 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:04,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-07-09 18:16:04,872 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:05,992 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 140 DAG size of output: 129 [2021-07-09 18:16:05,992 INFO L628 ElimStorePlain]: treesize reduction 500, result has 76.2 percent of original size [2021-07-09 18:16:06,002 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 49 treesize of output 35 [2021-07-09 18:16:06,003 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:06,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-07-09 18:16:06,014 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:06,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-07-09 18:16:06,025 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:06,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 28 [2021-07-09 18:16:06,036 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:06,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-07-09 18:16:06,048 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:06,058 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 40 treesize of output 28 [2021-07-09 18:16:06,059 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:06,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-07-09 18:16:06,070 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:06,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 28 [2021-07-09 18:16:06,077 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:06,941 WARN L205 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 121 [2021-07-09 18:16:06,941 INFO L628 ElimStorePlain]: treesize reduction 200, result has 86.4 percent of original size [2021-07-09 18:16:06,951 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 42 treesize of output 28 [2021-07-09 18:16:06,952 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:06,962 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 36 treesize of output 24 [2021-07-09 18:16:06,963 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:06,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:16:06,973 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:06,979 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 38 treesize of output 24 [2021-07-09 18:16:06,980 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:07,586 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 103 [2021-07-09 18:16:07,586 INFO L628 ElimStorePlain]: treesize reduction 302, result has 73.6 percent of original size [2021-07-09 18:16:07,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2021-07-09 18:16:07,595 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:07,603 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 49 treesize of output 33 [2021-07-09 18:16:07,604 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:07,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-07-09 18:16:07,613 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:07,618 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 55 treesize of output 37 [2021-07-09 18:16:07,619 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:07,745 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 27 [2021-07-09 18:16:07,745 INFO L628 ElimStorePlain]: treesize reduction 604, result has 13.8 percent of original size [2021-07-09 18:16:07,745 INFO L518 ElimStorePlain]: Eliminatee v_prenex_293 vanished before elimination [2021-07-09 18:16:07,745 INFO L518 ElimStorePlain]: Eliminatee v_prenex_294 vanished before elimination [2021-07-09 18:16:07,746 INFO L518 ElimStorePlain]: Eliminatee v_prenex_295 vanished before elimination [2021-07-09 18:16:07,746 INFO L518 ElimStorePlain]: Eliminatee v_prenex_296 vanished before elimination [2021-07-09 18:16:07,746 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-09 18:16:07,746 INFO L247 ElimStorePlain]: Needed 25 recursive calls to eliminate 8 variables, input treesize:2241, output treesize:97 [2021-07-09 18:16:07,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:16:07,836 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:07,836 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:16:07,837 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:07,852 INFO L628 ElimStorePlain]: treesize reduction 108, result has 4.4 percent of original size [2021-07-09 18:16:07,852 INFO L518 ElimStorePlain]: Eliminatee v_prenex_297 vanished before elimination [2021-07-09 18:16:07,852 INFO L518 ElimStorePlain]: Eliminatee v_prenex_298 vanished before elimination [2021-07-09 18:16:07,852 INFO L518 ElimStorePlain]: Eliminatee v_prenex_299 vanished before elimination [2021-07-09 18:16:07,852 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:16:07,852 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:155, output treesize:5 [2021-07-09 18:16:07,858 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:16:07,858 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989858325] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:16:07,858 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:16:07,858 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-09 18:16:07,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100341890] [2021-07-09 18:16:07,858 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-09 18:16:07,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:16:07,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-09 18:16:07,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2021-07-09 18:16:07,859 INFO L87 Difference]: Start difference. First operand 5721 states and 20442 transitions. Second operand has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:16:08,210 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 46 [2021-07-09 18:16:08,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:16:08,460 INFO L93 Difference]: Finished difference Result 8167 states and 28538 transitions. [2021-07-09 18:16:08,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 18:16:08,460 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 [2021-07-09 18:16:08,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:16:08,476 INFO L225 Difference]: With dead ends: 8167 [2021-07-09 18:16:08,477 INFO L226 Difference]: Without dead ends: 7964 [2021-07-09 18:16:08,477 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 1033.1ms TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2021-07-09 18:16:08,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7964 states. [2021-07-09 18:16:08,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7964 to 5826. [2021-07-09 18:16:08,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5826 states, 5825 states have (on average 3.568755364806867) internal successors, (20788), 5825 states have internal predecessors, (20788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:16:08,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5826 states to 5826 states and 20788 transitions. [2021-07-09 18:16:08,573 INFO L78 Accepts]: Start accepts. Automaton has 5826 states and 20788 transitions. Word has length 33 [2021-07-09 18:16:08,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:16:08,573 INFO L482 AbstractCegarLoop]: Abstraction has 5826 states and 20788 transitions. [2021-07-09 18:16:08,573 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) [2021-07-09 18:16:08,573 INFO L276 IsEmpty]: Start isEmpty. Operand 5826 states and 20788 transitions. [2021-07-09 18:16:08,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-09 18:16:08,582 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:16:08,582 INFO L508 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] [2021-07-09 18:16:08,798 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1529,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:16:08,798 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:16:08,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:16:08,799 INFO L82 PathProgramCache]: Analyzing trace with hash 834031778, now seen corresponding path program 21 times [2021-07-09 18:16:08,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:16:08,799 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865804579] [2021-07-09 18:16:08,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:16:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:16:09,391 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:16:09,391 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:16:09,391 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865804579] [2021-07-09 18:16:09,391 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865804579] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:16:09,391 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823485430] [2021-07-09 18:16:09,391 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 [2021-07-09 18:16:09,426 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-09 18:16:09,427 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:16:09,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-09 18:16:09,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:16:09,519 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 12 treesize of output 11 [2021-07-09 18:16:09,520 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:09,530 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:09,530 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:16:09,530 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-09 18:16:09,643 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-07-09 18:16:09,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-07-09 18:16:09,644 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:09,659 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-07-09 18:16:09,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-07-09 18:16:09,660 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:09,684 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-07-09 18:16:09,684 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 [2021-07-09 18:16:09,685 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:09,697 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-07-09 18:16:09,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-07-09 18:16:09,698 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:09,806 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-07-09 18:16:09,807 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:09,809 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-09 18:16:09,809 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:285, output treesize:281 [2021-07-09 18:16:09,970 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-07-09 18:16:10,564 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2021-07-09 18:16:10,778 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-07-09 18:16:10,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:10,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:16:10,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:16:10,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-09 18:16:10,911 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:10,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:10,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:16:10,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2021-07-09 18:16:10,919 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:11,412 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 113 [2021-07-09 18:16:11,413 INFO L628 ElimStorePlain]: treesize reduction 58, result has 92.4 percent of original size [2021-07-09 18:16:11,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:11,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:16:11,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:16:11,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-09 18:16:11,422 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:11,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:11,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:16:11,428 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:11,651 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-07-09 18:16:11,651 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:11,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:11,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-09 18:16:11,659 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:11,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:11,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:16:11,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-09 18:16:11,666 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:11,882 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-07-09 18:16:11,883 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:11,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:11,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-09 18:16:11,891 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:11,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:11,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:16:11,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-09 18:16:11,898 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:12,098 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-07-09 18:16:12,098 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:12,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:12,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-09 18:16:12,106 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:12,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:12,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:16:12,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-09 18:16:12,112 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:12,295 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-07-09 18:16:12,295 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:12,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:12,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:16:12,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:16:12,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-09 18:16:12,304 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:12,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:12,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:16:12,310 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:12,479 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-07-09 18:16:12,480 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:12,488 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. [2021-07-09 18:16:12,488 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 12 variables, input treesize:799, output treesize:481 [2021-07-09 18:16:12,890 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 73 [2021-07-09 18:16:13,364 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_327, A, B, v_prenex_318, v_prenex_319, v_prenex_320, v_prenex_310, v_prenex_321, v_prenex_311, v_prenex_322, v_prenex_323, v_prenex_326], 3=[v_prenex_316, v_prenex_317, v_prenex_312, v_prenex_313, v_prenex_324, v_prenex_314, v_prenex_325, v_prenex_315]} [2021-07-09 18:16:13,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-09 18:16:13,382 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:13,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:16:13,400 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:13,416 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 27 treesize of output 17 [2021-07-09 18:16:13,418 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:13,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-09 18:16:13,431 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:14,473 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 256 [2021-07-09 18:16:14,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:14,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:16:14,491 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:14,507 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 [2021-07-09 18:16:14,508 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:14,524 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 29 treesize of output 17 [2021-07-09 18:16:14,525 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:14,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:16:14,539 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:15,478 WARN L205 SmtUtils]: Spent 938.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2021-07-09 18:16:15,478 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:15,492 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 25 treesize of output 15 [2021-07-09 18:16:15,493 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:15,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-07-09 18:16:15,504 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:15,868 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 5 [2021-07-09 18:16:15,868 INFO L628 ElimStorePlain]: treesize reduction 1621, result has 0.3 percent of original size [2021-07-09 18:16:15,868 INFO L518 ElimStorePlain]: Eliminatee v_prenex_318 vanished before elimination [2021-07-09 18:16:15,869 INFO L518 ElimStorePlain]: Eliminatee v_prenex_319 vanished before elimination [2021-07-09 18:16:15,869 INFO L518 ElimStorePlain]: Eliminatee v_prenex_320 vanished before elimination [2021-07-09 18:16:15,869 INFO L518 ElimStorePlain]: Eliminatee v_prenex_310 vanished before elimination [2021-07-09 18:16:15,869 INFO L518 ElimStorePlain]: Eliminatee v_prenex_321 vanished before elimination [2021-07-09 18:16:15,869 INFO L518 ElimStorePlain]: Eliminatee v_prenex_311 vanished before elimination [2021-07-09 18:16:15,869 INFO L518 ElimStorePlain]: Eliminatee v_prenex_322 vanished before elimination [2021-07-09 18:16:15,869 INFO L518 ElimStorePlain]: Eliminatee v_prenex_323 vanished before elimination [2021-07-09 18:16:15,869 INFO L518 ElimStorePlain]: Eliminatee v_prenex_326 vanished before elimination [2021-07-09 18:16:15,869 INFO L518 ElimStorePlain]: Eliminatee v_prenex_316 vanished before elimination [2021-07-09 18:16:15,869 INFO L518 ElimStorePlain]: Eliminatee v_prenex_317 vanished before elimination [2021-07-09 18:16:15,869 INFO L518 ElimStorePlain]: Eliminatee v_prenex_312 vanished before elimination [2021-07-09 18:16:15,869 INFO L518 ElimStorePlain]: Eliminatee v_prenex_313 vanished before elimination [2021-07-09 18:16:15,869 INFO L518 ElimStorePlain]: Eliminatee v_prenex_324 vanished before elimination [2021-07-09 18:16:15,869 INFO L518 ElimStorePlain]: Eliminatee v_prenex_314 vanished before elimination [2021-07-09 18:16:15,869 INFO L518 ElimStorePlain]: Eliminatee v_prenex_325 vanished before elimination [2021-07-09 18:16:15,869 INFO L518 ElimStorePlain]: Eliminatee v_prenex_315 vanished before elimination [2021-07-09 18:16:15,870 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 20 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:16:15,870 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 24 variables, input treesize:1937, output treesize:5 [2021-07-09 18:16:15,879 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:16:15,879 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823485430] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:16:15,879 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:16:15,880 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-07-09 18:16:15,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734007682] [2021-07-09 18:16:15,880 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-09 18:16:15,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:16:15,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-09 18:16:15,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=406, Unknown=0, NotChecked=0, Total=506 [2021-07-09 18:16:15,880 INFO L87 Difference]: Start difference. First operand 5826 states and 20788 transitions. Second operand has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 22 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:16:16,118 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-07-09 18:16:16,655 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 95 [2021-07-09 18:16:16,992 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 99 [2021-07-09 18:16:17,220 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-07-09 18:16:17,448 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-07-09 18:16:17,782 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-07-09 18:16:18,021 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-07-09 18:16:18,471 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 112 [2021-07-09 18:16:18,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:16:18,635 INFO L93 Difference]: Finished difference Result 7804 states and 27257 transitions. [2021-07-09 18:16:18,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-09 18:16:18,635 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 22 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-07-09 18:16:18,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:16:18,706 INFO L225 Difference]: With dead ends: 7804 [2021-07-09 18:16:18,706 INFO L226 Difference]: Without dead ends: 7616 [2021-07-09 18:16:18,707 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 3687.7ms TimeCoverageRelationStatistics Valid=188, Invalid=868, Unknown=0, NotChecked=0, Total=1056 [2021-07-09 18:16:18,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7616 states. [2021-07-09 18:16:18,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7616 to 5834. [2021-07-09 18:16:18,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5834 states, 5833 states have (on average 3.5739756557517572) internal successors, (20847), 5833 states have internal predecessors, (20847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:16:18,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5834 states to 5834 states and 20847 transitions. [2021-07-09 18:16:18,790 INFO L78 Accepts]: Start accepts. Automaton has 5834 states and 20847 transitions. Word has length 33 [2021-07-09 18:16:18,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:16:18,790 INFO L482 AbstractCegarLoop]: Abstraction has 5834 states and 20847 transitions. [2021-07-09 18:16:18,790 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 22 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:16:18,791 INFO L276 IsEmpty]: Start isEmpty. Operand 5834 states and 20847 transitions. [2021-07-09 18:16:18,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-09 18:16:18,799 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:16:18,799 INFO L508 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] [2021-07-09 18:16:19,012 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1692,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:16:19,013 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:16:19,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:16:19,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1088923614, now seen corresponding path program 22 times [2021-07-09 18:16:19,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:16:19,014 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298940575] [2021-07-09 18:16:19,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:16:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:16:19,349 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:16:19,350 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:16:19,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298940575] [2021-07-09 18:16:19,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298940575] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:16:19,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200074232] [2021-07-09 18:16:19,350 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 [2021-07-09 18:16:19,393 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 18:16:19,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:16:19,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-09 18:16:19,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:16:19,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:16:19,490 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:19,501 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:19,501 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:16:19,502 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-07-09 18:16:19,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:19,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:16:19,539 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:19,551 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:19,552 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:16:19,552 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-07-09 18:16:19,786 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 47 treesize of output 35 [2021-07-09 18:16:19,787 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:19,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-07-09 18:16:19,794 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:19,801 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 47 treesize of output 35 [2021-07-09 18:16:19,802 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:19,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2021-07-09 18:16:19,809 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:19,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-07-09 18:16:19,817 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:19,823 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 47 treesize of output 35 [2021-07-09 18:16:19,824 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:19,830 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 49 treesize of output 35 [2021-07-09 18:16:19,831 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:19,837 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 51 treesize of output 35 [2021-07-09 18:16:19,838 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:19,844 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 51 treesize of output 35 [2021-07-09 18:16:19,845 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:19,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-07-09 18:16:19,853 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:19,860 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 51 treesize of output 35 [2021-07-09 18:16:19,861 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:19,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-07-09 18:16:19,869 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:19,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-07-09 18:16:19,876 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:19,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-07-09 18:16:19,884 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:19,891 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 51 treesize of output 35 [2021-07-09 18:16:19,892 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:19,896 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 49 treesize of output 35 [2021-07-09 18:16:19,897 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:20,098 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-07-09 18:16:20,098 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:20,104 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 43 treesize of output 29 [2021-07-09 18:16:20,106 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:20,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-07-09 18:16:20,112 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:20,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-07-09 18:16:20,119 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:20,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2021-07-09 18:16:20,126 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:20,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-07-09 18:16:20,134 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:20,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2021-07-09 18:16:20,141 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:20,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2021-07-09 18:16:20,148 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:20,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-07-09 18:16:20,156 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:20,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2021-07-09 18:16:20,163 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:20,169 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 53 treesize of output 37 [2021-07-09 18:16:20,170 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:20,176 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 51 treesize of output 33 [2021-07-09 18:16:20,177 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:20,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 37 [2021-07-09 18:16:20,183 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:20,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-07-09 18:16:20,190 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:20,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-07-09 18:16:20,197 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:20,202 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 57 treesize of output 37 [2021-07-09 18:16:20,204 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:20,207 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 47 treesize of output 33 [2021-07-09 18:16:20,208 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:20,280 INFO L628 ElimStorePlain]: treesize reduction 157, result has 37.2 percent of original size [2021-07-09 18:16:20,281 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-09 18:16:20,281 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 2 variables, input treesize:1121, output treesize:93 [2021-07-09 18:16:20,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:16:20,541 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:20,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:16:20,545 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:20,563 INFO L628 ElimStorePlain]: treesize reduction 113, result has 4.2 percent of original size [2021-07-09 18:16:20,563 INFO L518 ElimStorePlain]: Eliminatee v_prenex_329 vanished before elimination [2021-07-09 18:16:20,564 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-07-09 18:16:20,564 INFO L518 ElimStorePlain]: Eliminatee v_prenex_330 vanished before elimination [2021-07-09 18:16:20,564 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:16:20,564 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:155, output treesize:5 [2021-07-09 18:16:20,570 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:16:20,570 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200074232] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:16:20,570 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:16:20,570 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-09 18:16:20,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861293535] [2021-07-09 18:16:20,570 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-09 18:16:20,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:16:20,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-09 18:16:20,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=346, Unknown=0, NotChecked=0, Total=420 [2021-07-09 18:16:20,571 INFO L87 Difference]: Start difference. First operand 5834 states and 20847 transitions. Second operand has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:16:21,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:16:21,127 INFO L93 Difference]: Finished difference Result 7356 states and 25813 transitions. [2021-07-09 18:16:21,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 18:16:21,127 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 [2021-07-09 18:16:21,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:16:21,142 INFO L225 Difference]: With dead ends: 7356 [2021-07-09 18:16:21,142 INFO L226 Difference]: Without dead ends: 7261 [2021-07-09 18:16:21,143 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 703.4ms TimeCoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2021-07-09 18:16:21,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7261 states. [2021-07-09 18:16:21,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7261 to 5912. [2021-07-09 18:16:21,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5912 states, 5911 states have (on average 3.570631026899002) internal successors, (21106), 5911 states have internal predecessors, (21106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:16:21,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5912 states to 5912 states and 21106 transitions. [2021-07-09 18:16:21,237 INFO L78 Accepts]: Start accepts. Automaton has 5912 states and 21106 transitions. Word has length 33 [2021-07-09 18:16:21,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:16:21,237 INFO L482 AbstractCegarLoop]: Abstraction has 5912 states and 21106 transitions. [2021-07-09 18:16:21,237 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) [2021-07-09 18:16:21,237 INFO L276 IsEmpty]: Start isEmpty. Operand 5912 states and 21106 transitions. [2021-07-09 18:16:21,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-09 18:16:21,246 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:16:21,246 INFO L508 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] [2021-07-09 18:16:21,461 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1859,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:16:21,461 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:16:21,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:16:21,462 INFO L82 PathProgramCache]: Analyzing trace with hash -417789994, now seen corresponding path program 23 times [2021-07-09 18:16:21,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:16:21,462 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376733842] [2021-07-09 18:16:21,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:16:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:16:21,981 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:16:21,981 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:16:21,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376733842] [2021-07-09 18:16:21,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376733842] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:16:21,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564677158] [2021-07-09 18:16:21,981 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 [2021-07-09 18:16:22,021 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-09 18:16:22,022 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:16:22,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-09 18:16:22,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:16:22,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:16:22,179 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:22,190 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:22,191 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:16:22,191 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-07-09 18:16:22,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:22,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:16:22,231 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:22,248 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:22,249 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. [2021-07-09 18:16:22,250 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:65, output treesize:64 [2021-07-09 18:16:23,161 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-07-09 18:16:23,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:23,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:23,884 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:23,885 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 [2021-07-09 18:16:23,904 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:23,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:23,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:23,976 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:23,976 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 [2021-07-09 18:16:23,997 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-09 18:16:24,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:24,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:24,071 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-09 18:16:24,072 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 [2021-07-09 18:16:24,073 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:24,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:24,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:24,123 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-07-09 18:16:24,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 45 [2021-07-09 18:16:24,125 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:28,489 WARN L205 SmtUtils]: Spent 4.36 s on a formula simplification. DAG size of input: 368 DAG size of output: 346 [2021-07-09 18:16:28,489 INFO L628 ElimStorePlain]: treesize reduction 357, result has 88.8 percent of original size [2021-07-09 18:16:28,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:28,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:28,566 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:28,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 76 [2021-07-09 18:16:28,577 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:28,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:28,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:28,653 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-07-09 18:16:28,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 38 [2021-07-09 18:16:28,654 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:28,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:28,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:28,732 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:28,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 76 [2021-07-09 18:16:28,743 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:28,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:28,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:28,808 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-07-09 18:16:28,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 38 [2021-07-09 18:16:28,809 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:31,812 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 363 DAG size of output: 356 [2021-07-09 18:16:31,812 INFO L628 ElimStorePlain]: treesize reduction 112, result has 96.3 percent of original size [2021-07-09 18:16:31,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:31,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:31,889 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:31,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 76 [2021-07-09 18:16:31,902 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:31,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:31,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:31,983 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:31,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 76 [2021-07-09 18:16:31,998 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:32,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:32,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:32,077 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-07-09 18:16:32,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 38 [2021-07-09 18:16:32,078 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:32,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:32,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:32,132 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-07-09 18:16:32,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 38 [2021-07-09 18:16:32,133 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:36,724 WARN L205 SmtUtils]: Spent 4.59 s on a formula simplification. DAG size of input: 379 DAG size of output: 365 [2021-07-09 18:16:36,725 INFO L628 ElimStorePlain]: treesize reduction 281, result has 91.1 percent of original size [2021-07-09 18:16:36,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:36,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:36,804 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:36,804 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 [2021-07-09 18:16:36,833 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2021-07-09 18:16:36,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:36,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:36,918 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:36,918 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 [2021-07-09 18:16:36,939 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2021-07-09 18:16:36,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:36,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:37,022 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-09 18:16:37,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-09 18:16:37,024 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:37,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:37,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:37,088 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-09 18:16:37,088 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 [2021-07-09 18:16:37,090 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:42,092 WARN L205 SmtUtils]: Spent 5.00 s on a formula simplification. DAG size of input: 417 DAG size of output: 384 [2021-07-09 18:16:42,093 INFO L628 ElimStorePlain]: treesize reduction 617, result has 82.6 percent of original size [2021-07-09 18:16:42,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:42,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:42,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:42,144 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:42,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 55 [2021-07-09 18:16:42,151 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:42,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:42,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:42,227 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:42,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 112 treesize of output 124 [2021-07-09 18:16:42,278 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 4 xjuncts. [2021-07-09 18:16:42,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:42,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:42,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:42,342 INFO L354 Elim1Store]: treesize reduction 12, result has 36.8 percent of original size [2021-07-09 18:16:42,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 43 [2021-07-09 18:16:42,344 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:42,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:42,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:42,380 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-07-09 18:16:42,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 114 treesize of output 1 [2021-07-09 18:16:42,380 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:45,359 WARN L205 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 390 DAG size of output: 360 [2021-07-09 18:16:45,360 INFO L628 ElimStorePlain]: treesize reduction 271, result has 90.8 percent of original size [2021-07-09 18:16:45,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:45,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:45,436 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:45,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 74 [2021-07-09 18:16:45,460 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 3 xjuncts. [2021-07-09 18:16:45,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:45,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:45,534 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-07-09 18:16:45,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 42 [2021-07-09 18:16:45,536 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:45,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:45,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:45,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:45,583 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-07-09 18:16:45,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 1 [2021-07-09 18:16:45,584 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:45,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:45,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:45,615 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-07-09 18:16:45,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 78 treesize of output 1 [2021-07-09 18:16:45,616 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:49,261 WARN L205 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 349 DAG size of output: 335 [2021-07-09 18:16:49,262 INFO L628 ElimStorePlain]: treesize reduction 145, result has 94.4 percent of original size [2021-07-09 18:16:49,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:49,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:49,331 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:49,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 76 [2021-07-09 18:16:49,347 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2021-07-09 18:16:49,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:49,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:49,419 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:49,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 76 [2021-07-09 18:16:49,439 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:49,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:49,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:49,516 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-07-09 18:16:49,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 44 [2021-07-09 18:16:49,518 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:49,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:49,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:49,584 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-07-09 18:16:49,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 38 [2021-07-09 18:16:49,585 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:53,642 WARN L205 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 363 DAG size of output: 349 [2021-07-09 18:16:53,643 INFO L628 ElimStorePlain]: treesize reduction 204, result has 92.4 percent of original size [2021-07-09 18:16:53,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:53,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:53,716 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:53,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 91 treesize of output 113 [2021-07-09 18:16:53,757 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 5 xjuncts. [2021-07-09 18:16:53,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:53,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:53,829 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-07-09 18:16:53,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 107 treesize of output 85 [2021-07-09 18:16:53,837 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 2 xjuncts. [2021-07-09 18:16:53,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:53,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:53,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:53,885 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-07-09 18:16:53,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 1 [2021-07-09 18:16:53,886 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:53,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:53,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:53,919 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-07-09 18:16:53,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 1 [2021-07-09 18:16:53,920 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:56,222 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 345 DAG size of output: 322 [2021-07-09 18:16:56,223 INFO L628 ElimStorePlain]: treesize reduction 209, result has 91.4 percent of original size [2021-07-09 18:16:56,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:56,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:56,304 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:56,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 76 [2021-07-09 18:16:56,321 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 2 xjuncts. [2021-07-09 18:16:56,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:56,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:56,439 INFO L354 Elim1Store]: treesize reduction 34, result has 24.4 percent of original size [2021-07-09 18:16:56,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 42 [2021-07-09 18:16:56,441 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:56,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:56,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:56,519 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:16:56,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 76 [2021-07-09 18:16:56,531 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-09 18:16:56,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:56,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:16:56,600 INFO L354 Elim1Store]: treesize reduction 34, result has 24.4 percent of original size [2021-07-09 18:16:56,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 42 [2021-07-09 18:16:56,602 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:00,324 WARN L205 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 351 DAG size of output: 339 [2021-07-09 18:17:00,325 INFO L628 ElimStorePlain]: treesize reduction 138, result has 94.3 percent of original size [2021-07-09 18:17:00,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:00,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:00,424 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:00,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 116 treesize of output 130 [2021-07-09 18:17:00,470 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 4 xjuncts. [2021-07-09 18:17:00,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:00,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:00,562 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-07-09 18:17:00,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 113 treesize of output 99 [2021-07-09 18:17:00,570 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:00,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:00,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:00,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:00,633 INFO L354 Elim1Store]: treesize reduction 20, result has 25.9 percent of original size [2021-07-09 18:17:00,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 36 [2021-07-09 18:17:00,635 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:00,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:00,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:00,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:00,668 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-07-09 18:17:00,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 1 [2021-07-09 18:17:00,669 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:03,893 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 348 DAG size of output: 316 [2021-07-09 18:17:03,894 INFO L628 ElimStorePlain]: treesize reduction 270, result has 88.2 percent of original size [2021-07-09 18:17:03,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:03,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:03,965 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:03,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-09 18:17:03,986 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 2 xjuncts. [2021-07-09 18:17:04,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:04,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:04,068 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-07-09 18:17:04,068 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 [2021-07-09 18:17:04,069 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:04,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:04,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:04,144 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:04,144 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 [2021-07-09 18:17:04,188 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2021-07-09 18:17:04,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:04,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:04,246 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-07-09 18:17:04,246 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 [2021-07-09 18:17:04,247 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:06,473 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 367 DAG size of output: 344 [2021-07-09 18:17:06,474 INFO L628 ElimStorePlain]: treesize reduction 273, result has 88.8 percent of original size [2021-07-09 18:17:06,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:06,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:06,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:06,530 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:06,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 49 [2021-07-09 18:17:06,537 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:06,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:06,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:06,610 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:06,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 168 treesize of output 166 [2021-07-09 18:17:06,666 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 3 xjuncts. [2021-07-09 18:17:06,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:06,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:06,750 INFO L354 Elim1Store]: treesize reduction 34, result has 24.4 percent of original size [2021-07-09 18:17:06,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 170 treesize of output 136 [2021-07-09 18:17:06,762 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:06,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:06,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:06,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:06,790 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-07-09 18:17:06,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 1 [2021-07-09 18:17:06,791 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:08,765 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 345 DAG size of output: 314 [2021-07-09 18:17:08,766 INFO L628 ElimStorePlain]: treesize reduction 378, result has 82.9 percent of original size [2021-07-09 18:17:08,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:08,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:08,833 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:08,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 179 treesize of output 173 [2021-07-09 18:17:08,937 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 4 xjuncts. [2021-07-09 18:17:08,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:08,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:08,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:08,989 INFO L354 Elim1Store]: treesize reduction 12, result has 36.8 percent of original size [2021-07-09 18:17:08,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 43 [2021-07-09 18:17:08,991 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:09,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:09,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:09,039 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-07-09 18:17:09,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 63 treesize of output 1 [2021-07-09 18:17:09,040 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:09,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:09,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:09,069 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-07-09 18:17:09,069 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 1 [2021-07-09 18:17:09,069 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:11,259 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 316 DAG size of output: 277 [2021-07-09 18:17:11,259 INFO L628 ElimStorePlain]: treesize reduction 513, result has 74.3 percent of original size [2021-07-09 18:17:11,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:11,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:11,345 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:11,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 74 [2021-07-09 18:17:11,368 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 2 xjuncts. [2021-07-09 18:17:11,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:11,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:11,436 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-07-09 18:17:11,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 104 treesize of output 88 [2021-07-09 18:17:11,458 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 3 xjuncts. [2021-07-09 18:17:11,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:11,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:11,529 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-07-09 18:17:11,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-07-09 18:17:11,531 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:11,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:11,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:11,555 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-07-09 18:17:11,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 107 treesize of output 1 [2021-07-09 18:17:11,556 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:12,776 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 271 DAG size of output: 252 [2021-07-09 18:17:12,777 INFO L628 ElimStorePlain]: treesize reduction 175, result has 87.5 percent of original size [2021-07-09 18:17:12,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:12,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:12,837 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:12,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 83 [2021-07-09 18:17:12,867 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 2 xjuncts. [2021-07-09 18:17:12,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:12,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:12,944 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:12,944 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 [2021-07-09 18:17:12,957 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:12,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:12,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:13,028 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-07-09 18:17:13,029 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 [2021-07-09 18:17:13,030 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:13,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:13,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:13,079 INFO L354 Elim1Store]: treesize reduction 34, result has 24.4 percent of original size [2021-07-09 18:17:13,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 49 [2021-07-09 18:17:13,081 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:14,484 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 295 DAG size of output: 280 [2021-07-09 18:17:14,485 INFO L628 ElimStorePlain]: treesize reduction 181, result has 88.2 percent of original size [2021-07-09 18:17:14,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:14,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:14,550 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:14,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 165 treesize of output 167 [2021-07-09 18:17:14,706 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 4 xjuncts. [2021-07-09 18:17:14,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:14,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:14,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:14,746 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-07-09 18:17:14,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 1 [2021-07-09 18:17:14,746 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:14,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:14,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:14,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:14,796 INFO L354 Elim1Store]: treesize reduction 20, result has 25.9 percent of original size [2021-07-09 18:17:14,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 45 [2021-07-09 18:17:14,798 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:14,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:14,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:14,825 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-07-09 18:17:14,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 146 treesize of output 1 [2021-07-09 18:17:14,826 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:16,034 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 295 DAG size of output: 249 [2021-07-09 18:17:16,035 INFO L628 ElimStorePlain]: treesize reduction 599, result has 63.2 percent of original size [2021-07-09 18:17:16,097 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 16 dim-1 vars, End of recursive call: 16 dim-0 vars, and 16 xjuncts. [2021-07-09 18:17:16,097 INFO L247 ElimStorePlain]: Needed 65 recursive calls to eliminate 24 variables, input treesize:2689, output treesize:1030 [2021-07-09 18:17:16,445 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 100 [2021-07-09 18:17:17,284 INFO L446 ElimStorePlain]: Different costs {3=[C, v_prenex_376], 5=[v_prenex_375]} [2021-07-09 18:17:17,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:17,288 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:17:17,290 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:17:17,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 1 [2021-07-09 18:17:17,290 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:17,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:17,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:17:17,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 18:17:17,295 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:17,366 INFO L628 ElimStorePlain]: treesize reduction 42, result has 69.8 percent of original size [2021-07-09 18:17:17,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:17,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-07-09 18:17:17,371 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:17,400 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:17,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:17,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:17,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:17:17,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:17:17,406 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 22 treesize of output 14 [2021-07-09 18:17:17,407 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:17,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:17,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:17:17,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 18:17:17,412 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:17,426 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:17,428 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:17:17,428 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:190, output treesize:5 [2021-07-09 18:17:17,434 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:17:17,434 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564677158] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:17:17,434 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:17:17,434 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2021-07-09 18:17:17,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491399136] [2021-07-09 18:17:17,434 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-09 18:17:17,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:17:17,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-09 18:17:17,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=454, Unknown=0, NotChecked=0, Total=552 [2021-07-09 18:17:17,435 INFO L87 Difference]: Start difference. First operand 5912 states and 21106 transitions. Second operand has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:17:18,105 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2021-07-09 18:17:18,909 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 119 [2021-07-09 18:17:19,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:17:19,687 INFO L93 Difference]: Finished difference Result 9409 states and 32339 transitions. [2021-07-09 18:17:19,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 18:17:19,688 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 [2021-07-09 18:17:19,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:17:19,707 INFO L225 Difference]: With dead ends: 9409 [2021-07-09 18:17:19,708 INFO L226 Difference]: Without dead ends: 9201 [2021-07-09 18:17:19,708 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 13 SyntacticMatches, 10 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 751 ImplicationChecksByTransitivity, 3408.6ms TimeCoverageRelationStatistics Valid=320, Invalid=1750, Unknown=0, NotChecked=0, Total=2070 [2021-07-09 18:17:19,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9201 states. [2021-07-09 18:17:19,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9201 to 6206. [2021-07-09 18:17:19,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6206 states, 6205 states have (on average 3.5613215149073327) internal successors, (22098), 6205 states have internal predecessors, (22098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:17:19,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6206 states to 6206 states and 22098 transitions. [2021-07-09 18:17:19,845 INFO L78 Accepts]: Start accepts. Automaton has 6206 states and 22098 transitions. Word has length 33 [2021-07-09 18:17:19,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:17:19,845 INFO L482 AbstractCegarLoop]: Abstraction has 6206 states and 22098 transitions. [2021-07-09 18:17:19,845 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) [2021-07-09 18:17:19,845 INFO L276 IsEmpty]: Start isEmpty. Operand 6206 states and 22098 transitions. [2021-07-09 18:17:19,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-09 18:17:19,855 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:17:19,855 INFO L508 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] [2021-07-09 18:17:20,056 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1913,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:17:20,056 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:17:20,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:17:20,057 INFO L82 PathProgramCache]: Analyzing trace with hash -384462942, now seen corresponding path program 24 times [2021-07-09 18:17:20,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:17:20,057 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144518098] [2021-07-09 18:17:20,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:17:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:17:20,536 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:17:20,536 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:17:20,536 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144518098] [2021-07-09 18:17:20,536 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144518098] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:17:20,536 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038737533] [2021-07-09 18:17:20,536 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 [2021-07-09 18:17:20,566 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-09 18:17:20,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:17:20,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-09 18:17:20,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:17:20,661 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 [2021-07-09 18:17:20,661 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:20,673 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:20,673 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:17:20,673 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-09 18:17:20,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:20,735 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 30 treesize of output 32 [2021-07-09 18:17:20,736 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:20,749 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:20,750 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:17:20,750 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2021-07-09 18:17:21,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:21,056 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:21,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 44 [2021-07-09 18:17:21,059 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-09 18:17:21,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:21,080 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:21,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 44 [2021-07-09 18:17:21,083 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-09 18:17:21,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:21,111 INFO L354 Elim1Store]: treesize reduction 4, result has 78.9 percent of original size [2021-07-09 18:17:21,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 43 [2021-07-09 18:17:21,114 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:21,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:21,136 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:21,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 44 [2021-07-09 18:17:21,140 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-09 18:17:21,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:21,160 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:21,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 44 [2021-07-09 18:17:21,164 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-07-09 18:17:21,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:21,183 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-07-09 18:17:21,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 32 [2021-07-09 18:17:21,184 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:21,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:21,204 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:21,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 50 [2021-07-09 18:17:21,208 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-07-09 18:17:21,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:21,228 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:21,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 50 [2021-07-09 18:17:21,231 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-07-09 18:17:21,237 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:17:21,237 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:21,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:21,254 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-07-09 18:17:21,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 32 [2021-07-09 18:17:21,255 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:21,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:21,268 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-07-09 18:17:21,268 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 29 [2021-07-09 18:17:21,269 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:21,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:21,286 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:21,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 50 [2021-07-09 18:17:21,289 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2021-07-09 18:17:21,879 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2021-07-09 18:17:21,880 INFO L628 ElimStorePlain]: treesize reduction 430, result has 60.0 percent of original size [2021-07-09 18:17:21,890 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-07-09 18:17:21,890 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 2 variables, input treesize:1017, output treesize:790 [2021-07-09 18:17:22,238 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-07-09 18:17:23,742 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 29 treesize of output 17 [2021-07-09 18:17:23,743 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:23,762 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 27 treesize of output 17 [2021-07-09 18:17:23,764 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:23,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:17:23,784 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:23,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-09 18:17:23,799 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:29,094 WARN L205 SmtUtils]: Spent 5.29 s on a formula simplification. DAG size of input: 307 DAG size of output: 304 [2021-07-09 18:17:29,095 INFO L628 ElimStorePlain]: treesize reduction 219, result has 94.9 percent of original size [2021-07-09 18:17:29,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:17:29,116 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:29,133 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 25 treesize of output 17 [2021-07-09 18:17:29,135 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:29,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-09 18:17:29,154 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:29,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-09 18:17:29,169 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:31,600 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 292 [2021-07-09 18:17:31,600 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:31,620 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 25 treesize of output 17 [2021-07-09 18:17:31,621 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:31,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-09 18:17:31,642 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:31,661 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 25 treesize of output 17 [2021-07-09 18:17:31,663 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:31,678 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 [2021-07-09 18:17:31,679 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:33,925 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 280 [2021-07-09 18:17:33,926 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:33,943 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 25 treesize of output 15 [2021-07-09 18:17:33,944 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:33,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-07-09 18:17:33,958 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:37,166 WARN L205 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 270 DAG size of output: 235 [2021-07-09 18:17:37,167 INFO L628 ElimStorePlain]: treesize reduction 1048, result has 71.5 percent of original size [2021-07-09 18:17:37,183 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 20 treesize of output 10 [2021-07-09 18:17:37,184 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:37,200 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 20 treesize of output 10 [2021-07-09 18:17:37,202 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:37,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-09 18:17:37,219 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:37,231 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:17:37,231 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:37,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-07-09 18:17:37,248 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:37,265 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 16 treesize of output 10 [2021-07-09 18:17:37,267 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:37,279 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:17:37,279 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:37,288 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:17:37,289 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:37,297 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:17:37,298 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:38,554 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 221 [2021-07-09 18:17:38,555 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:38,571 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 18 treesize of output 10 [2021-07-09 18:17:38,573 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:38,583 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:17:38,584 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:38,627 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 18 treesize of output 10 [2021-07-09 18:17:38,628 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:38,638 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:17:38,638 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:38,652 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 18 treesize of output 10 [2021-07-09 18:17:38,654 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:38,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-09 18:17:38,668 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:38,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2021-07-09 18:17:38,684 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:38,693 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:17:38,694 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:38,702 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:17:38,702 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:39,823 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 208 [2021-07-09 18:17:39,823 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:39,837 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 20 treesize of output 10 [2021-07-09 18:17:39,838 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:39,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 10 [2021-07-09 18:17:39,853 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:39,861 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:17:39,861 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:39,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-07-09 18:17:39,875 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:39,882 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:17:39,883 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:40,237 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 21 [2021-07-09 18:17:40,238 INFO L628 ElimStorePlain]: treesize reduction 1934, result has 2.0 percent of original size [2021-07-09 18:17:40,238 INFO L518 ElimStorePlain]: Eliminatee v_prenex_394 vanished before elimination [2021-07-09 18:17:40,238 INFO L518 ElimStorePlain]: Eliminatee v_prenex_383 vanished before elimination [2021-07-09 18:17:40,238 INFO L518 ElimStorePlain]: Eliminatee v_prenex_384 vanished before elimination [2021-07-09 18:17:40,238 INFO L518 ElimStorePlain]: Eliminatee v_prenex_385 vanished before elimination [2021-07-09 18:17:40,238 INFO L518 ElimStorePlain]: Eliminatee v_prenex_386 vanished before elimination [2021-07-09 18:17:40,238 INFO L518 ElimStorePlain]: Eliminatee v_prenex_387 vanished before elimination [2021-07-09 18:17:40,238 INFO L518 ElimStorePlain]: Eliminatee v_prenex_388 vanished before elimination [2021-07-09 18:17:40,238 INFO L518 ElimStorePlain]: Eliminatee v_prenex_377 vanished before elimination [2021-07-09 18:17:40,238 INFO L518 ElimStorePlain]: Eliminatee v_prenex_389 vanished before elimination [2021-07-09 18:17:40,238 INFO L518 ElimStorePlain]: Eliminatee v_prenex_378 vanished before elimination [2021-07-09 18:17:40,238 INFO L518 ElimStorePlain]: Eliminatee v_prenex_379 vanished before elimination [2021-07-09 18:17:40,238 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-07-09 18:17:40,239 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-07-09 18:17:40,239 INFO L550 ElimStorePlain]: Start of recursive call 1: 20 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-09 18:17:40,239 INFO L247 ElimStorePlain]: Needed 38 recursive calls to eliminate 20 variables, input treesize:4409, output treesize:40 [2021-07-09 18:17:40,319 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:17:40,319 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038737533] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:17:40,319 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:17:40,319 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-07-09 18:17:40,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875496752] [2021-07-09 18:17:40,319 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-09 18:17:40,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:17:40,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-09 18:17:40,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=572, Unknown=0, NotChecked=0, Total=702 [2021-07-09 18:17:40,320 INFO L87 Difference]: Start difference. First operand 6206 states and 22098 transitions. Second operand has 27 states, 27 states have (on average 2.2962962962962963) internal successors, (62), 26 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:17:40,961 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2021-07-09 18:17:41,999 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 61 [2021-07-09 18:17:42,761 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-07-09 18:17:43,225 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2021-07-09 18:17:43,480 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-07-09 18:17:43,983 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2021-07-09 18:17:44,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:17:44,171 INFO L93 Difference]: Finished difference Result 11457 states and 39557 transitions. [2021-07-09 18:17:44,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 18:17:44,171 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.2962962962962963) internal successors, (62), 26 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-07-09 18:17:44,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:17:44,196 INFO L225 Difference]: With dead ends: 11457 [2021-07-09 18:17:44,196 INFO L226 Difference]: Without dead ends: 11308 [2021-07-09 18:17:44,196 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 961 ImplicationChecksByTransitivity, 4160.4ms TimeCoverageRelationStatistics Valid=521, Invalid=2449, Unknown=0, NotChecked=0, Total=2970 [2021-07-09 18:17:44,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11308 states. [2021-07-09 18:17:44,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11308 to 6277. [2021-07-09 18:17:44,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6277 states, 6276 states have (on average 3.5624601657106436) internal successors, (22358), 6276 states have internal predecessors, (22358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:17:44,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6277 states to 6277 states and 22358 transitions. [2021-07-09 18:17:44,327 INFO L78 Accepts]: Start accepts. Automaton has 6277 states and 22358 transitions. Word has length 33 [2021-07-09 18:17:44,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:17:44,327 INFO L482 AbstractCegarLoop]: Abstraction has 6277 states and 22358 transitions. [2021-07-09 18:17:44,327 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.2962962962962963) internal successors, (62), 26 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:17:44,327 INFO L276 IsEmpty]: Start isEmpty. Operand 6277 states and 22358 transitions. [2021-07-09 18:17:44,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-09 18:17:44,337 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:17:44,337 INFO L508 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] [2021-07-09 18:17:44,553 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2541 [2021-07-09 18:17:44,553 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:17:44,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:17:44,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1642775078, now seen corresponding path program 25 times [2021-07-09 18:17:44,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:17:44,554 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595692291] [2021-07-09 18:17:44,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:17:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:17:45,041 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:17:45,041 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:17:45,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595692291] [2021-07-09 18:17:45,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595692291] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:17:45,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286255708] [2021-07-09 18:17:45,041 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 [2021-07-09 18:17:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:17:45,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-09 18:17:45,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:17:45,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:17:45,170 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,181 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:45,182 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,182 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-09 18:17:45,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:17:45,219 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,231 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:45,232 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,232 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-07-09 18:17:45,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-07-09 18:17:45,721 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-07-09 18:17:45,730 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-07-09 18:17:45,739 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-07-09 18:17:45,749 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,758 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 50 treesize of output 32 [2021-07-09 18:17:45,759 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2021-07-09 18:17:45,769 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-07-09 18:17:45,778 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-07-09 18:17:45,787 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-07-09 18:17:45,797 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-07-09 18:17:45,806 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,815 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 59 treesize of output 39 [2021-07-09 18:17:45,816 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,825 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 61 treesize of output 39 [2021-07-09 18:17:45,826 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,834 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 52 treesize of output 32 [2021-07-09 18:17:45,835 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,843 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 48 treesize of output 32 [2021-07-09 18:17:45,844 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-07-09 18:17:45,854 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-07-09 18:17:45,864 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,873 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 48 treesize of output 32 [2021-07-09 18:17:45,873 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-07-09 18:17:45,883 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-07-09 18:17:45,893 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 18:17:45,903 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-07-09 18:17:45,912 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 18:17:45,922 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:17:45,932 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-07-09 18:17:45,942 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,951 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 52 treesize of output 32 [2021-07-09 18:17:45,952 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,962 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 50 treesize of output 32 [2021-07-09 18:17:45,963 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:17:45,973 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,982 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 57 treesize of output 39 [2021-07-09 18:17:45,983 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:45,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:17:45,993 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:45,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,002 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 32 [2021-07-09 18:17:46,003 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:46,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,012 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 48 treesize of output 32 [2021-07-09 18:17:46,013 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:46,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-07-09 18:17:46,020 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:46,557 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 60 [2021-07-09 18:17:46,558 INFO L628 ElimStorePlain]: treesize reduction 952, result has 50.6 percent of original size [2021-07-09 18:17:46,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 30 [2021-07-09 18:17:46,566 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:46,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 30 [2021-07-09 18:17:46,574 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:46,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:17:46,582 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:46,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 26 [2021-07-09 18:17:46,591 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:46,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,598 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 [2021-07-09 18:17:46,599 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:46,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,607 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 41 [2021-07-09 18:17:46,608 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:46,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-07-09 18:17:46,616 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:46,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,623 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 51 treesize of output 31 [2021-07-09 18:17:46,624 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:46,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-07-09 18:17:46,633 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:46,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,641 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 51 treesize of output 31 [2021-07-09 18:17:46,642 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:46,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:17:46,650 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:46,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,657 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 67 treesize of output 41 [2021-07-09 18:17:46,659 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:46,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 31 [2021-07-09 18:17:46,667 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:46,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,674 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 46 treesize of output 26 [2021-07-09 18:17:46,675 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:46,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 39 [2021-07-09 18:17:46,682 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:46,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:46,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-07-09 18:17:46,687 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:46,761 INFO L628 ElimStorePlain]: treesize reduction 173, result has 37.8 percent of original size [2021-07-09 18:17:46,762 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-09 18:17:46,762 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 2 variables, input treesize:2625, output treesize:105 [2021-07-09 18:17:46,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:17:46,850 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:46,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-09 18:17:46,854 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:46,866 INFO L628 ElimStorePlain]: treesize reduction 93, result has 5.1 percent of original size [2021-07-09 18:17:46,867 INFO L518 ElimStorePlain]: Eliminatee v_prenex_395 vanished before elimination [2021-07-09 18:17:46,867 INFO L518 ElimStorePlain]: Eliminatee v_prenex_396 vanished before elimination [2021-07-09 18:17:46,867 INFO L518 ElimStorePlain]: Eliminatee v_prenex_397 vanished before elimination [2021-07-09 18:17:46,867 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:17:46,867 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-07-09 18:17:46,872 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:17:46,872 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286255708] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:17:46,873 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:17:46,873 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-07-09 18:17:46,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609056051] [2021-07-09 18:17:46,873 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-09 18:17:46,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:17:46,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-09 18:17:46,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2021-07-09 18:17:46,873 INFO L87 Difference]: Start difference. First operand 6277 states and 22358 transitions. Second operand has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:17:48,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:17:48,020 INFO L93 Difference]: Finished difference Result 9926 states and 34677 transitions. [2021-07-09 18:17:48,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 18:17:48,020 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 [2021-07-09 18:17:48,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:17:48,040 INFO L225 Difference]: With dead ends: 9926 [2021-07-09 18:17:48,041 INFO L226 Difference]: Without dead ends: 9783 [2021-07-09 18:17:48,041 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 1186.3ms TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2021-07-09 18:17:48,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9783 states. [2021-07-09 18:17:48,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9783 to 6359. [2021-07-09 18:17:48,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6359 states, 6358 states have (on average 3.560239068889588) internal successors, (22636), 6358 states have internal predecessors, (22636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:17:48,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6359 states to 6359 states and 22636 transitions. [2021-07-09 18:17:48,154 INFO L78 Accepts]: Start accepts. Automaton has 6359 states and 22636 transitions. Word has length 33 [2021-07-09 18:17:48,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:17:48,155 INFO L482 AbstractCegarLoop]: Abstraction has 6359 states and 22636 transitions. [2021-07-09 18:17:48,155 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) [2021-07-09 18:17:48,155 INFO L276 IsEmpty]: Start isEmpty. Operand 6359 states and 22636 transitions. [2021-07-09 18:17:48,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-09 18:17:48,165 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:17:48,165 INFO L508 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] [2021-07-09 18:17:48,380 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3073,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:17:48,381 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:17:48,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:17:48,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1609448026, now seen corresponding path program 26 times [2021-07-09 18:17:48,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:17:48,381 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6105896] [2021-07-09 18:17:48,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:17:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:17:48,947 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 22 [2021-07-09 18:17:49,211 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:17:49,212 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:17:49,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6105896] [2021-07-09 18:17:49,212 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6105896] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:17:49,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689693556] [2021-07-09 18:17:49,212 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 [2021-07-09 18:17:49,243 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 18:17:49,243 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:17:49,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-09 18:17:49,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:17:49,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:17:49,346 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:49,358 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:49,359 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:17:49,359 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-09 18:17:49,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:49,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:17:49,396 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:49,409 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:49,409 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:17:49,410 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-07-09 18:17:49,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2021-07-09 18:17:49,590 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:49,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2021-07-09 18:17:49,596 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:49,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-09 18:17:49,601 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:49,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2021-07-09 18:17:49,607 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:49,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-09 18:17:49,613 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:49,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2021-07-09 18:17:49,619 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:49,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-09 18:17:49,625 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:49,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2021-07-09 18:17:49,631 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:49,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-09 18:17:49,636 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:49,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2021-07-09 18:17:49,642 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:49,646 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:17:49,647 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:49,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2021-07-09 18:17:49,651 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:49,858 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2021-07-09 18:17:49,858 INFO L628 ElimStorePlain]: treesize reduction 138, result has 71.8 percent of original size [2021-07-09 18:17:49,860 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-07-09 18:17:49,860 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 1 variables, input treesize:725, output treesize:351 [2021-07-09 18:17:50,337 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 27 treesize of output 17 [2021-07-09 18:17:50,339 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:50,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-09 18:17:50,355 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:50,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:17:50,372 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:50,383 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 29 treesize of output 17 [2021-07-09 18:17:50,384 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:51,448 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 246 [2021-07-09 18:17:51,449 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:51,464 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 27 treesize of output 17 [2021-07-09 18:17:51,465 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:51,479 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 [2021-07-09 18:17:51,480 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:51,494 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 29 treesize of output 17 [2021-07-09 18:17:51,495 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:51,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 18:17:51,507 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:52,402 WARN L205 SmtUtils]: Spent 894.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2021-07-09 18:17:52,402 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:52,416 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 27 treesize of output 15 [2021-07-09 18:17:52,417 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:52,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2021-07-09 18:17:52,428 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:53,370 WARN L205 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 166 [2021-07-09 18:17:53,371 INFO L628 ElimStorePlain]: treesize reduction 708, result has 52.6 percent of original size [2021-07-09 18:17:53,381 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 25 treesize of output 15 [2021-07-09 18:17:53,383 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:53,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-07-09 18:17:53,391 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:53,494 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 5 [2021-07-09 18:17:53,494 INFO L628 ElimStorePlain]: treesize reduction 734, result has 0.7 percent of original size [2021-07-09 18:17:53,494 INFO L518 ElimStorePlain]: Eliminatee v_prenex_400 vanished before elimination [2021-07-09 18:17:53,494 INFO L518 ElimStorePlain]: Eliminatee v_prenex_401 vanished before elimination [2021-07-09 18:17:53,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_412 vanished before elimination [2021-07-09 18:17:53,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_402 vanished before elimination [2021-07-09 18:17:53,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_413 vanished before elimination [2021-07-09 18:17:53,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_403 vanished before elimination [2021-07-09 18:17:53,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_414 vanished before elimination [2021-07-09 18:17:53,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_404 vanished before elimination [2021-07-09 18:17:53,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_415 vanished before elimination [2021-07-09 18:17:53,495 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-07-09 18:17:53,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_405 vanished before elimination [2021-07-09 18:17:53,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_406 vanished before elimination [2021-07-09 18:17:53,495 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-07-09 18:17:53,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_407 vanished before elimination [2021-07-09 18:17:53,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_408 vanished before elimination [2021-07-09 18:17:53,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_409 vanished before elimination [2021-07-09 18:17:53,495 INFO L550 ElimStorePlain]: Start of recursive call 1: 20 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:17:53,496 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 20 variables, input treesize:1801, output treesize:5 [2021-07-09 18:17:53,505 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:17:53,505 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689693556] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:17:53,505 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:17:53,505 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11] total 24 [2021-07-09 18:17:53,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361096615] [2021-07-09 18:17:53,505 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-09 18:17:53,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:17:53,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-09 18:17:53,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=490, Unknown=0, NotChecked=0, Total=600 [2021-07-09 18:17:53,506 INFO L87 Difference]: Start difference. First operand 6359 states and 22636 transitions. Second operand has 25 states, 25 states have (on average 2.32) internal successors, (58), 24 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:17:53,814 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-07-09 18:17:54,240 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 58 [2021-07-09 18:17:54,400 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 52 [2021-07-09 18:17:54,927 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-07-09 18:17:55,451 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-07-09 18:17:55,761 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-07-09 18:17:55,950 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-07-09 18:17:56,084 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-07-09 18:17:56,273 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-07-09 18:17:56,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:17:56,456 INFO L93 Difference]: Finished difference Result 11292 states and 39312 transitions. [2021-07-09 18:17:56,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 18:17:56,456 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 [2021-07-09 18:17:56,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:17:56,479 INFO L225 Difference]: With dead ends: 11292 [2021-07-09 18:17:56,479 INFO L226 Difference]: Without dead ends: 10944 [2021-07-09 18:17:56,480 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 816 ImplicationChecksByTransitivity, 3175.7ms TimeCoverageRelationStatistics Valid=509, Invalid=2143, Unknown=0, NotChecked=0, Total=2652 [2021-07-09 18:17:56,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10944 states. [2021-07-09 18:17:56,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10944 to 6647. [2021-07-09 18:17:56,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6647 states, 6646 states have (on average 3.561841709298826) internal successors, (23672), 6646 states have internal predecessors, (23672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:17:56,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6647 states to 6647 states and 23672 transitions. [2021-07-09 18:17:56,607 INFO L78 Accepts]: Start accepts. Automaton has 6647 states and 23672 transitions. Word has length 33 [2021-07-09 18:17:56,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:17:56,607 INFO L482 AbstractCegarLoop]: Abstraction has 6647 states and 23672 transitions. [2021-07-09 18:17:56,607 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) [2021-07-09 18:17:56,607 INFO L276 IsEmpty]: Start isEmpty. Operand 6647 states and 23672 transitions. [2021-07-09 18:17:56,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-09 18:17:56,618 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:17:56,618 INFO L508 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] [2021-07-09 18:17:56,834 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3190 [2021-07-09 18:17:56,834 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:17:56,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:17:56,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1766130978, now seen corresponding path program 27 times [2021-07-09 18:17:56,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:17:56,835 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500320419] [2021-07-09 18:17:56,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:17:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:17:57,486 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:17:57,487 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:17:57,487 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500320419] [2021-07-09 18:17:57,487 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500320419] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:17:57,487 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075299568] [2021-07-09 18:17:57,487 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 [2021-07-09 18:17:57,519 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-09 18:17:57,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:17:57,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-09 18:17:57,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:17:57,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:17:57,621 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:57,632 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:57,633 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:17:57,633 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-09 18:17:57,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:57,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:17:57,670 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:57,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:17:57,685 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:17:57,685 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2021-07-09 18:17:57,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:57,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:57,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:17:57,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:17:57,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2021-07-09 18:17:57,904 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:57,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:57,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:57,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:17:57,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:17:57,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-07-09 18:17:57,912 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:57,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:57,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:17:57,916 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:17:57,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 18:17:57,918 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:57,985 INFO L628 ElimStorePlain]: treesize reduction 38, result has 73.2 percent of original size [2021-07-09 18:17:57,986 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-09 18:17:57,986 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:194, output treesize:74 [2021-07-09 18:17:58,540 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 [2021-07-09 18:17:58,541 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:58,550 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 [2021-07-09 18:17:58,551 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:58,561 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 [2021-07-09 18:17:58,562 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:58,625 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 29 treesize of output 17 [2021-07-09 18:17:58,626 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:58,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-09 18:17:58,637 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:58,646 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 27 treesize of output 17 [2021-07-09 18:17:58,648 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:58,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 18:17:58,659 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:58,668 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 27 treesize of output 17 [2021-07-09 18:17:58,669 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:58,678 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 [2021-07-09 18:17:58,679 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:58,688 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 27 treesize of output 17 [2021-07-09 18:17:58,690 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:58,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:17:58,700 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:58,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-09 18:17:58,710 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:58,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:17:58,720 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:58,728 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 27 treesize of output 17 [2021-07-09 18:17:58,729 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:58,738 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 29 treesize of output 17 [2021-07-09 18:17:58,739 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:58,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-09 18:17:58,746 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:59,887 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 114 DAG size of output: 109 [2021-07-09 18:17:59,887 INFO L628 ElimStorePlain]: treesize reduction 104, result has 93.8 percent of original size [2021-07-09 18:17:59,896 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 29 treesize of output 17 [2021-07-09 18:17:59,897 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:59,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-09 18:17:59,905 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:59,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 18:17:59,915 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:59,923 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 27 treesize of output 17 [2021-07-09 18:17:59,924 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:59,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-09 18:17:59,934 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:59,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:17:59,943 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:59,951 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 29 treesize of output 17 [2021-07-09 18:17:59,952 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:59,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 18:17:59,961 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:59,969 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 29 treesize of output 17 [2021-07-09 18:17:59,970 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:59,979 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 27 treesize of output 17 [2021-07-09 18:17:59,980 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:59,988 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 27 treesize of output 17 [2021-07-09 18:17:59,989 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-09 18:17:59,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:17:59,998 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:00,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:18:00,008 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:00,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:18:00,017 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:00,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:18:00,025 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:00,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:18:00,032 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:00,339 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-07-09 18:18:00,339 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:00,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-07-09 18:18:00,349 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:00,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-07-09 18:18:00,359 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:00,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-07-09 18:18:00,368 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:00,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-07-09 18:18:00,374 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:00,451 INFO L628 ElimStorePlain]: treesize reduction 846, result has 0.6 percent of original size [2021-07-09 18:18:00,451 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-07-09 18:18:00,451 INFO L518 ElimStorePlain]: Eliminatee v_prenex_418 vanished before elimination [2021-07-09 18:18:00,451 INFO L518 ElimStorePlain]: Eliminatee v_prenex_419 vanished before elimination [2021-07-09 18:18:00,452 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:18:00,452 INFO L247 ElimStorePlain]: Needed 37 recursive calls to eliminate 6 variables, input treesize:2209, output treesize:5 [2021-07-09 18:18:00,461 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:18:00,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075299568] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:18:00,462 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:18:00,462 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 26 [2021-07-09 18:18:00,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072187509] [2021-07-09 18:18:00,462 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-09 18:18:00,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:18:00,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-09 18:18:00,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=587, Unknown=0, NotChecked=0, Total=702 [2021-07-09 18:18:00,462 INFO L87 Difference]: Start difference. First operand 6647 states and 23672 transitions. Second operand has 27 states, 27 states have (on average 2.1481481481481484) internal successors, (58), 26 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:18:01,293 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 68 [2021-07-09 18:18:01,496 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2021-07-09 18:18:01,741 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2021-07-09 18:18:01,891 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2021-07-09 18:18:02,139 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2021-07-09 18:18:02,297 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2021-07-09 18:18:02,567 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 62 [2021-07-09 18:18:02,781 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-07-09 18:18:02,988 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2021-07-09 18:18:03,145 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-07-09 18:18:03,358 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2021-07-09 18:18:03,505 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2021-07-09 18:18:03,699 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2021-07-09 18:18:03,900 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-07-09 18:18:04,138 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-07-09 18:18:04,320 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2021-07-09 18:18:04,517 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2021-07-09 18:18:04,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:18:04,587 INFO L93 Difference]: Finished difference Result 10502 states and 36902 transitions. [2021-07-09 18:18:04,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-09 18:18:04,588 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 [2021-07-09 18:18:04,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:18:04,609 INFO L225 Difference]: With dead ends: 10502 [2021-07-09 18:18:04,609 INFO L226 Difference]: Without dead ends: 10326 [2021-07-09 18:18:04,610 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 799 ImplicationChecksByTransitivity, 4207.4ms TimeCoverageRelationStatistics Valid=534, Invalid=2328, Unknown=0, NotChecked=0, Total=2862 [2021-07-09 18:18:04,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10326 states. [2021-07-09 18:18:04,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10326 to 6729. [2021-07-09 18:18:04,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6729 states, 6728 states have (on average 3.5631688466111773) internal successors, (23973), 6728 states have internal predecessors, (23973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:18:04,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6729 states to 6729 states and 23973 transitions. [2021-07-09 18:18:04,821 INFO L78 Accepts]: Start accepts. Automaton has 6729 states and 23973 transitions. Word has length 33 [2021-07-09 18:18:04,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:18:04,821 INFO L482 AbstractCegarLoop]: Abstraction has 6729 states and 23973 transitions. [2021-07-09 18:18:04,821 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) [2021-07-09 18:18:04,821 INFO L276 IsEmpty]: Start isEmpty. Operand 6729 states and 23973 transitions. [2021-07-09 18:18:04,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-09 18:18:04,831 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:18:04,832 INFO L508 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] [2021-07-09 18:18:05,052 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3318 [2021-07-09 18:18:05,052 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:18:05,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:18:05,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1785238692, now seen corresponding path program 28 times [2021-07-09 18:18:05,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:18:05,053 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314694129] [2021-07-09 18:18:05,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:18:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:18:05,572 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:18:05,572 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:18:05,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314694129] [2021-07-09 18:18:05,573 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314694129] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:18:05,573 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496605752] [2021-07-09 18:18:05,573 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 [2021-07-09 18:18:05,603 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 18:18:05,603 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:18:05,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-09 18:18:05,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:18:05,705 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 12 treesize of output 11 [2021-07-09 18:18:05,706 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:05,717 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:05,718 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:18:05,718 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-09 18:18:06,496 INFO L446 ElimStorePlain]: Different costs {1=[v_C_50], 3=[A, B]} [2021-07-09 18:18:06,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,505 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 30 treesize of output 32 [2021-07-09 18:18:06,506 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,513 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 30 treesize of output 32 [2021-07-09 18:18:06,514 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:18:06,523 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:18:06,533 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:18:06,542 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:18:06,552 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:18:06,562 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:18:06,572 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:18:06,582 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-07-09 18:18:06,592 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,602 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 37 treesize of output 35 [2021-07-09 18:18:06,603 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-07-09 18:18:06,614 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-07-09 18:18:06,624 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:18:06,635 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:18:06,646 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-07-09 18:18:06,656 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:18:06,666 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-07-09 18:18:06,676 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-07-09 18:18:06,686 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:18:06,696 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-07-09 18:18:06,706 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:18:06,716 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,725 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 30 treesize of output 32 [2021-07-09 18:18:06,726 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,735 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 37 treesize of output 35 [2021-07-09 18:18:06,736 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-07-09 18:18:06,746 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-07-09 18:18:06,756 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:18:06,766 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-07-09 18:18:06,775 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:18:06,785 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:18:06,796 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:18:06,806 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:06,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:06,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:18:06,814 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:07,852 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2021-07-09 18:18:07,853 INFO L628 ElimStorePlain]: treesize reduction 674, result has 74.8 percent of original size [2021-07-09 18:18:07,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,861 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 63 treesize of output 41 [2021-07-09 18:18:07,862 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:07,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,870 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 50 treesize of output 32 [2021-07-09 18:18:07,871 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:07,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,880 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 59 treesize of output 39 [2021-07-09 18:18:07,881 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:07,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 18:18:07,891 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:07,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-07-09 18:18:07,900 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:07,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-07-09 18:18:07,910 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:07,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-07-09 18:18:07,920 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:07,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 41 [2021-07-09 18:18:07,929 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:07,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-07-09 18:18:07,939 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:07,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-07-09 18:18:07,948 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:07,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,958 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 [2021-07-09 18:18:07,958 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:07,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-07-09 18:18:07,968 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:07,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,977 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 65 treesize of output 41 [2021-07-09 18:18:07,978 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:07,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:18:07,988 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:07,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:07,997 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 52 treesize of output 32 [2021-07-09 18:18:07,998 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 41 [2021-07-09 18:18:08,008 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 41 [2021-07-09 18:18:08,018 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-07-09 18:18:08,028 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:18:08,038 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2021-07-09 18:18:08,048 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-07-09 18:18:08,058 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-07-09 18:18:08,067 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 41 [2021-07-09 18:18:08,077 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,083 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 59 treesize of output 39 [2021-07-09 18:18:08,084 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,537 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2021-07-09 18:18:08,537 INFO L628 ElimStorePlain]: treesize reduction 456, result has 68.2 percent of original size [2021-07-09 18:18:08,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,545 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 46 treesize of output 26 [2021-07-09 18:18:08,546 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 26 [2021-07-09 18:18:08,555 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 37 [2021-07-09 18:18:08,563 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,571 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 50 treesize of output 30 [2021-07-09 18:18:08,572 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,580 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 61 treesize of output 37 [2021-07-09 18:18:08,581 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 41 [2021-07-09 18:18:08,590 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-07-09 18:18:08,598 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,606 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 51 treesize of output 31 [2021-07-09 18:18:08,607 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-07-09 18:18:08,616 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,624 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 51 treesize of output 31 [2021-07-09 18:18:08,625 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 31 [2021-07-09 18:18:08,633 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,641 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 67 treesize of output 41 [2021-07-09 18:18:08,642 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:18:08,650 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,657 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 65 treesize of output 39 [2021-07-09 18:18:08,658 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,665 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 63 treesize of output 39 [2021-07-09 18:18:08,666 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:08,670 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 52 treesize of output 30 [2021-07-09 18:18:08,672 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,764 INFO L628 ElimStorePlain]: treesize reduction 219, result has 26.3 percent of original size [2021-07-09 18:18:08,765 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-09 18:18:08,765 INFO L247 ElimStorePlain]: Needed 73 recursive calls to eliminate 3 variables, input treesize:2657, output treesize:78 [2021-07-09 18:18:08,836 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 20 treesize of output 14 [2021-07-09 18:18:08,837 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,840 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 15 treesize of output 11 [2021-07-09 18:18:08,841 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,852 INFO L628 ElimStorePlain]: treesize reduction 73, result has 6.4 percent of original size [2021-07-09 18:18:08,852 INFO L518 ElimStorePlain]: Eliminatee v_prenex_420 vanished before elimination [2021-07-09 18:18:08,852 INFO L518 ElimStorePlain]: Eliminatee v_prenex_421 vanished before elimination [2021-07-09 18:18:08,853 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:18:08,853 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-07-09 18:18:08,858 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:18:08,859 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496605752] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:18:08,859 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:18:08,859 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-07-09 18:18:08,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755906184] [2021-07-09 18:18:08,859 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-09 18:18:08,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:18:08,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-09 18:18:08,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2021-07-09 18:18:08,859 INFO L87 Difference]: Start difference. First operand 6729 states and 23973 transitions. Second operand has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:18:10,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:18:10,663 INFO L93 Difference]: Finished difference Result 11296 states and 39305 transitions. [2021-07-09 18:18:10,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-09 18:18:10,689 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 [2021-07-09 18:18:10,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:18:10,713 INFO L225 Difference]: With dead ends: 11296 [2021-07-09 18:18:10,713 INFO L226 Difference]: Without dead ends: 11146 [2021-07-09 18:18:10,715 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 1789.5ms TimeCoverageRelationStatistics Valid=255, Invalid=1551, Unknown=0, NotChecked=0, Total=1806 [2021-07-09 18:18:10,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11146 states. [2021-07-09 18:18:10,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11146 to 7270. [2021-07-09 18:18:10,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7270 states, 7269 states have (on average 3.5720181593066447) internal successors, (25965), 7269 states have internal predecessors, (25965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:18:10,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7270 states to 7270 states and 25965 transitions. [2021-07-09 18:18:10,864 INFO L78 Accepts]: Start accepts. Automaton has 7270 states and 25965 transitions. Word has length 33 [2021-07-09 18:18:10,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:18:10,864 INFO L482 AbstractCegarLoop]: Abstraction has 7270 states and 25965 transitions. [2021-07-09 18:18:10,865 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) [2021-07-09 18:18:10,865 INFO L276 IsEmpty]: Start isEmpty. Operand 7270 states and 25965 transitions. [2021-07-09 18:18:10,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-09 18:18:10,876 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:18:10,876 INFO L508 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] [2021-07-09 18:18:11,091 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3478,28 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:18:11,092 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:18:11,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:18:11,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1191335548, now seen corresponding path program 29 times [2021-07-09 18:18:11,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:18:11,092 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347474873] [2021-07-09 18:18:11,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:18:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:18:11,628 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:18:11,628 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:18:11,628 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347474873] [2021-07-09 18:18:11,628 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347474873] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:18:11,628 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905092080] [2021-07-09 18:18:11,629 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 [2021-07-09 18:18:11,671 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-09 18:18:11,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:18:11,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-09 18:18:11,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:18:11,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-09 18:18:11,765 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:11,781 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:11,782 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. [2021-07-09 18:18:11,782 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:49, output treesize:48 [2021-07-09 18:18:12,374 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2021-07-09 18:18:12,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:12,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-07-09 18:18:12,475 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:12,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:12,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:12,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:12,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2021-07-09 18:18:12,484 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:12,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:12,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:12,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:12,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2021-07-09 18:18:12,495 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:12,499 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:12,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:12,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:12,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2021-07-09 18:18:12,503 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:12,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:12,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:18:12,512 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:12,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:12,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-07-09 18:18:12,519 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:12,663 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-07-09 18:18:12,663 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:12,680 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 12 dim-0 vars, and 6 xjuncts. [2021-07-09 18:18:12,680 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:499, output treesize:495 [2021-07-09 18:18:12,973 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2021-07-09 18:18:13,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:13,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:13,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:13,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:13,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:13,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:13,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:13,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-07-09 18:18:13,656 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:13,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:13,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:13,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:13,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:13,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:13,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:13,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:13,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-07-09 18:18:13,680 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:13,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:13,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:13,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:13,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:13,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:13,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:13,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:13,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-07-09 18:18:13,703 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:13,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:13,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:13,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:13,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:13,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:13,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-07-09 18:18:13,721 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:14,786 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 248 [2021-07-09 18:18:14,787 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:14,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:14,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:14,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:14,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:14,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:14,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:14,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:14,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-07-09 18:18:14,819 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:14,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:14,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:14,835 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:14,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:14,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:14,839 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:14,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:14,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-07-09 18:18:14,844 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:14,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:14,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:14,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:14,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:14,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:14,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:14,866 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:14,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-07-09 18:18:14,868 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:14,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:14,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:14,883 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:14,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:14,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:14,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-07-09 18:18:14,886 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:15,878 WARN L205 SmtUtils]: Spent 991.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2021-07-09 18:18:15,878 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:15,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:15,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:15,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:15,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:15,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:15,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:15,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:15,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-07-09 18:18:15,902 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:15,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:15,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:15,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:15,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:15,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:15,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:15,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:15,926 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-07-09 18:18:15,927 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:15,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:15,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:15,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:15,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:15,944 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:15,944 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:15,950 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:15,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-07-09 18:18:15,952 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:15,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:15,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:15,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:15,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:15,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:15,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-07-09 18:18:15,984 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:16,952 WARN L205 SmtUtils]: Spent 967.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2021-07-09 18:18:16,952 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:16,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:16,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:16,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:16,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:16,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:16,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:16,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:16,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2021-07-09 18:18:16,973 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:16,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:16,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:16,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:16,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:16,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:16,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:16,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:16,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2021-07-09 18:18:16,995 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:17,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:17,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:17,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:17,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:17,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:17,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:17,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:17,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-07-09 18:18:17,015 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:17,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:17,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:17,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:17,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:17,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:17,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 28 [2021-07-09 18:18:17,029 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:18,599 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 224 DAG size of output: 221 [2021-07-09 18:18:18,600 INFO L628 ElimStorePlain]: treesize reduction 39, result has 97.8 percent of original size [2021-07-09 18:18:18,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:18,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:18,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:18,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:18,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:18,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:18,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:18,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 37 [2021-07-09 18:18:18,624 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:18,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:18,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:18,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:18,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:18,639 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:18,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:18,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:18,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2021-07-09 18:18:18,646 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:18,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:18,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:18,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:18,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:18,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:18,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:18,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:18,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2021-07-09 18:18:18,669 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:18,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:18,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:18,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:18,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:18,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:18,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 29 [2021-07-09 18:18:18,685 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:20,089 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 204 DAG size of output: 201 [2021-07-09 18:18:20,090 INFO L628 ElimStorePlain]: treesize reduction 39, result has 97.5 percent of original size [2021-07-09 18:18:20,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:20,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:20,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:20,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-07-09 18:18:20,112 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:20,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:20,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:20,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:20,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,132 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-07-09 18:18:20,133 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:20,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:20,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:20,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:20,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-07-09 18:18:20,155 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:20,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:20,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:20,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:20,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-07-09 18:18:20,170 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:20,835 WARN L205 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2021-07-09 18:18:20,836 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:20,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:20,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:20,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:20,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-07-09 18:18:20,856 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:20,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:20,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:20,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:20,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 29 [2021-07-09 18:18:20,878 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:20,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:20,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:20,890 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:20,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,897 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-07-09 18:18:20,899 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:20,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:20,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:20,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:20,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:20,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 37 [2021-07-09 18:18:20,912 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:22,009 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 180 DAG size of output: 178 [2021-07-09 18:18:22,010 INFO L628 ElimStorePlain]: treesize reduction 40, result has 96.9 percent of original size [2021-07-09 18:18:22,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:22,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:22,022 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:22,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-07-09 18:18:22,030 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:22,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:22,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:22,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:22,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 35 [2021-07-09 18:18:22,050 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:22,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:22,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:22,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:22,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,068 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-07-09 18:18:22,071 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:22,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:22,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:22,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:22,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 35 [2021-07-09 18:18:22,086 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:22,589 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2021-07-09 18:18:22,590 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:22,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:22,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:22,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:22,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,610 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2021-07-09 18:18:22,612 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:22,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:22,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:22,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:22,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 37 [2021-07-09 18:18:22,634 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:22,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:22,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:22,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:22,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,650 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2021-07-09 18:18:22,656 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:22,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:22,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:22,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:22,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:22,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-07-09 18:18:22,670 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:23,472 WARN L205 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 153 [2021-07-09 18:18:23,472 INFO L628 ElimStorePlain]: treesize reduction 39, result has 96.0 percent of original size [2021-07-09 18:18:23,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:23,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:23,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:23,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-07-09 18:18:23,492 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:23,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:23,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:23,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:23,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-07-09 18:18:23,511 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:23,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:23,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:23,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:23,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-07-09 18:18:23,532 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:23,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:23,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:23,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:23,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-07-09 18:18:23,545 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:23,894 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-07-09 18:18:23,895 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:23,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:23,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:23,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:23,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2021-07-09 18:18:23,913 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:23,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:23,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:23,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:23,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-07-09 18:18:23,933 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:23,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:23,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:23,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:23,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2021-07-09 18:18:23,951 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:23,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:23,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:23,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:23,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:23,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 28 [2021-07-09 18:18:23,963 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:24,503 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 129 [2021-07-09 18:18:24,503 INFO L628 ElimStorePlain]: treesize reduction 39, result has 94.4 percent of original size [2021-07-09 18:18:24,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:24,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:24,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:24,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:24,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:24,517 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:24,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:24,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2021-07-09 18:18:24,521 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:24,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:24,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:24,530 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:24,530 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:24,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:24,535 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:24,535 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:24,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 28 [2021-07-09 18:18:24,538 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:24,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:24,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:24,547 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:24,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:24,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:24,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:24,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:24,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-07-09 18:18:24,556 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:24,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:24,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:24,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:24,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:24,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:24,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2021-07-09 18:18:24,567 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:24,931 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-07-09 18:18:24,932 INFO L628 ElimStorePlain]: treesize reduction 39, result has 92.2 percent of original size [2021-07-09 18:18:24,963 INFO L550 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 12 dim-1 vars, End of recursive call: 24 dim-0 vars, and 12 xjuncts. [2021-07-09 18:18:24,963 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 24 variables, input treesize:2193, output treesize:460 [2021-07-09 18:18:25,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:25,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:25,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:25,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 18:18:25,505 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:25,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:25,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:25,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 18:18:25,511 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:25,626 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2021-07-09 18:18:25,627 INFO L628 ElimStorePlain]: treesize reduction 83, result has 63.1 percent of original size [2021-07-09 18:18:25,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:25,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:18:25,633 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:25,677 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:25,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:25,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:18:25,683 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:25,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:25,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:25,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:25,689 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 [2021-07-09 18:18:25,690 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:25,746 INFO L628 ElimStorePlain]: treesize reduction 17, result has 83.0 percent of original size [2021-07-09 18:18:25,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:25,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:25,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:25,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-09 18:18:25,752 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:25,774 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:25,777 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:18:25,777 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:277, output treesize:5 [2021-07-09 18:18:25,782 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:18:25,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905092080] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:18:25,782 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:18:25,782 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2021-07-09 18:18:25,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123658222] [2021-07-09 18:18:25,782 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-09 18:18:25,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:18:25,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-09 18:18:25,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2021-07-09 18:18:25,783 INFO L87 Difference]: Start difference. First operand 7270 states and 25965 transitions. Second operand has 25 states, 25 states have (on average 2.44) internal successors, (61), 24 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:18:26,802 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 47 [2021-07-09 18:18:26,931 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2021-07-09 18:18:27,482 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-07-09 18:18:28,113 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 161 [2021-07-09 18:18:28,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:18:28,919 INFO L93 Difference]: Finished difference Result 12100 states and 42051 transitions. [2021-07-09 18:18:28,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-09 18:18:28,920 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.44) internal successors, (61), 24 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-07-09 18:18:28,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:18:28,945 INFO L225 Difference]: With dead ends: 12100 [2021-07-09 18:18:28,945 INFO L226 Difference]: Without dead ends: 11890 [2021-07-09 18:18:28,945 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 695 ImplicationChecksByTransitivity, 3584.4ms TimeCoverageRelationStatistics Valid=352, Invalid=2198, Unknown=0, NotChecked=0, Total=2550 [2021-07-09 18:18:28,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11890 states. [2021-07-09 18:18:29,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11890 to 7550. [2021-07-09 18:18:29,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7550 states, 7549 states have (on average 3.562723539541661) internal successors, (26895), 7549 states have internal predecessors, (26895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:18:29,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7550 states to 7550 states and 26895 transitions. [2021-07-09 18:18:29,087 INFO L78 Accepts]: Start accepts. Automaton has 7550 states and 26895 transitions. Word has length 33 [2021-07-09 18:18:29,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:18:29,087 INFO L482 AbstractCegarLoop]: Abstraction has 7550 states and 26895 transitions. [2021-07-09 18:18:29,087 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.44) internal successors, (61), 24 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:18:29,087 INFO L276 IsEmpty]: Start isEmpty. Operand 7550 states and 26895 transitions. [2021-07-09 18:18:29,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-09 18:18:29,099 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:18:29,099 INFO L508 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] [2021-07-09 18:18:29,312 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3584 [2021-07-09 18:18:29,313 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:18:29,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:18:29,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1594024776, now seen corresponding path program 30 times [2021-07-09 18:18:29,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:18:29,313 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073381951] [2021-07-09 18:18:29,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:18:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:18:29,876 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:18:29,877 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:18:29,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073381951] [2021-07-09 18:18:29,877 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073381951] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:18:29,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558739671] [2021-07-09 18:18:29,877 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 [2021-07-09 18:18:29,907 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-09 18:18:29,907 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:18:29,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-09 18:18:29,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:18:29,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:18:29,985 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:29,995 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:29,995 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:18:29,995 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-09 18:18:30,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2021-07-09 18:18:30,139 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:30,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2021-07-09 18:18:30,145 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:30,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2021-07-09 18:18:30,152 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:30,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2021-07-09 18:18:30,158 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:30,164 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 40 treesize of output 38 [2021-07-09 18:18:30,164 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:30,170 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 40 treesize of output 38 [2021-07-09 18:18:30,171 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:30,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2021-07-09 18:18:30,177 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:30,182 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 35 treesize of output 35 [2021-07-09 18:18:30,183 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:30,452 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-07-09 18:18:30,452 INFO L628 ElimStorePlain]: treesize reduction 198, result has 65.4 percent of original size [2021-07-09 18:18:30,454 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-09 18:18:30,454 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 1 variables, input treesize:577, output treesize:375 [2021-07-09 18:18:30,584 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-07-09 18:18:30,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2021-07-09 18:18:30,634 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:30,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2021-07-09 18:18:30,640 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:31,045 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2021-07-09 18:18:31,045 INFO L628 ElimStorePlain]: treesize reduction 132, result has 83.9 percent of original size [2021-07-09 18:18:31,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:18:31,053 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:31,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-09 18:18:31,058 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:31,239 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-07-09 18:18:31,240 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:31,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:18:31,247 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:31,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-09 18:18:31,252 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:31,418 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-07-09 18:18:31,418 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:31,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:18:31,425 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:31,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-09 18:18:31,429 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:31,580 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-07-09 18:18:31,581 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:31,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2021-07-09 18:18:31,586 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:31,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2021-07-09 18:18:31,591 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:31,728 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-07-09 18:18:31,728 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:31,733 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 39 treesize of output 31 [2021-07-09 18:18:31,734 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:31,737 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 39 treesize of output 31 [2021-07-09 18:18:31,739 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:31,861 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-07-09 18:18:31,861 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:31,863 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-1 vars, End of recursive call: and 12 xjuncts. [2021-07-09 18:18:31,863 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 6 variables, input treesize:853, output treesize:509 [2021-07-09 18:18:32,013 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-07-09 18:18:32,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-07-09 18:18:32,372 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:32,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-07-09 18:18:32,390 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:32,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-07-09 18:18:32,408 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:32,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-07-09 18:18:32,421 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:33,736 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 295 [2021-07-09 18:18:33,736 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:33,755 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 44 treesize of output 28 [2021-07-09 18:18:33,757 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:33,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-07-09 18:18:33,778 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:33,797 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 44 treesize of output 28 [2021-07-09 18:18:33,798 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:33,811 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 44 treesize of output 28 [2021-07-09 18:18:33,813 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:36,360 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 288 DAG size of output: 282 [2021-07-09 18:18:36,361 INFO L628 ElimStorePlain]: treesize reduction 69, result has 97.0 percent of original size [2021-07-09 18:18:36,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-07-09 18:18:36,377 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:36,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-07-09 18:18:36,390 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:37,702 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 271 DAG size of output: 208 [2021-07-09 18:18:37,703 INFO L628 ElimStorePlain]: treesize reduction 1043, result has 52.0 percent of original size [2021-07-09 18:18:37,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-07-09 18:18:37,714 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:37,855 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 5 [2021-07-09 18:18:37,855 INFO L628 ElimStorePlain]: treesize reduction 1102, result has 0.5 percent of original size [2021-07-09 18:18:37,855 INFO L518 ElimStorePlain]: Eliminatee v_prenex_482 vanished before elimination [2021-07-09 18:18:37,856 INFO L518 ElimStorePlain]: Eliminatee v_prenex_472 vanished before elimination [2021-07-09 18:18:37,856 INFO L518 ElimStorePlain]: Eliminatee v_prenex_483 vanished before elimination [2021-07-09 18:18:37,856 INFO L518 ElimStorePlain]: Eliminatee v_prenex_473 vanished before elimination [2021-07-09 18:18:37,856 INFO L518 ElimStorePlain]: Eliminatee v_prenex_484 vanished before elimination [2021-07-09 18:18:37,856 INFO L518 ElimStorePlain]: Eliminatee v_prenex_474 vanished before elimination [2021-07-09 18:18:37,856 INFO L518 ElimStorePlain]: Eliminatee v_prenex_485 vanished before elimination [2021-07-09 18:18:37,856 INFO L518 ElimStorePlain]: Eliminatee v_prenex_486 vanished before elimination [2021-07-09 18:18:37,856 INFO L518 ElimStorePlain]: Eliminatee v_prenex_475 vanished before elimination [2021-07-09 18:18:37,856 INFO L518 ElimStorePlain]: Eliminatee v_prenex_487 vanished before elimination [2021-07-09 18:18:37,856 INFO L518 ElimStorePlain]: Eliminatee v_prenex_476 vanished before elimination [2021-07-09 18:18:37,856 INFO L518 ElimStorePlain]: Eliminatee v_prenex_477 vanished before elimination [2021-07-09 18:18:37,856 INFO L518 ElimStorePlain]: Eliminatee v_prenex_466 vanished before elimination [2021-07-09 18:18:37,856 INFO L518 ElimStorePlain]: Eliminatee v_prenex_478 vanished before elimination [2021-07-09 18:18:37,856 INFO L518 ElimStorePlain]: Eliminatee v_prenex_467 vanished before elimination [2021-07-09 18:18:37,856 INFO L518 ElimStorePlain]: Eliminatee v_prenex_479 vanished before elimination [2021-07-09 18:18:37,856 INFO L518 ElimStorePlain]: Eliminatee v_prenex_468 vanished before elimination [2021-07-09 18:18:37,856 INFO L518 ElimStorePlain]: Eliminatee v_prenex_469 vanished before elimination [2021-07-09 18:18:37,856 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-07-09 18:18:37,856 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-07-09 18:18:37,857 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:18:37,857 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 24 variables, input treesize:2561, output treesize:5 [2021-07-09 18:18:37,866 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:18:37,867 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558739671] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:18:37,867 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:18:37,867 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-07-09 18:18:37,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124733097] [2021-07-09 18:18:37,867 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-09 18:18:37,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:18:37,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-09 18:18:37,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=443, Unknown=0, NotChecked=0, Total=552 [2021-07-09 18:18:37,867 INFO L87 Difference]: Start difference. First operand 7550 states and 26895 transitions. Second operand has 24 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:18:38,089 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-07-09 18:18:39,193 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-07-09 18:18:39,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:18:39,292 INFO L93 Difference]: Finished difference Result 11685 states and 40866 transitions. [2021-07-09 18:18:39,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 18:18:39,292 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 [2021-07-09 18:18:39,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:18:39,315 INFO L225 Difference]: With dead ends: 11685 [2021-07-09 18:18:39,315 INFO L226 Difference]: Without dead ends: 11494 [2021-07-09 18:18:39,315 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 1676.7ms TimeCoverageRelationStatistics Valid=210, Invalid=912, Unknown=0, NotChecked=0, Total=1122 [2021-07-09 18:18:39,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11494 states. [2021-07-09 18:18:39,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11494 to 7586. [2021-07-09 18:18:39,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7586 states, 7585 states have (on average 3.5632168754119973) internal successors, (27027), 7585 states have internal predecessors, (27027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:18:39,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7586 states to 7586 states and 27027 transitions. [2021-07-09 18:18:39,452 INFO L78 Accepts]: Start accepts. Automaton has 7586 states and 27027 transitions. Word has length 33 [2021-07-09 18:18:39,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:18:39,452 INFO L482 AbstractCegarLoop]: Abstraction has 7586 states and 27027 transitions. [2021-07-09 18:18:39,452 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) [2021-07-09 18:18:39,452 INFO L276 IsEmpty]: Start isEmpty. Operand 7586 states and 27027 transitions. [2021-07-09 18:18:39,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-09 18:18:39,463 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:18:39,463 INFO L508 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] [2021-07-09 18:18:39,679 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3711 [2021-07-09 18:18:39,679 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:18:39,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:18:39,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1322096704, now seen corresponding path program 31 times [2021-07-09 18:18:39,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:18:39,680 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740638559] [2021-07-09 18:18:39,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:18:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:18:40,168 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:18:40,169 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:18:40,169 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740638559] [2021-07-09 18:18:40,169 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740638559] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:18:40,169 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181464676] [2021-07-09 18:18:40,169 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 [2021-07-09 18:18:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:18:40,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-09 18:18:40,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:18:40,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:18:40,309 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:40,320 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:40,321 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:18:40,321 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-09 18:18:40,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:40,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2021-07-09 18:18:40,420 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:40,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:40,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:18:40,426 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:40,459 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:40,460 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-09 18:18:40,460 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:111, output treesize:113 [2021-07-09 18:18:41,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-07-09 18:18:41,819 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:41,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-07-09 18:18:41,837 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:41,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-07-09 18:18:41,854 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:41,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-07-09 18:18:41,868 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:42,965 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 229 [2021-07-09 18:18:42,965 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:42,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2021-07-09 18:18:42,982 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:42,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2021-07-09 18:18:42,998 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:43,012 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 55 treesize of output 37 [2021-07-09 18:18:43,014 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:43,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2021-07-09 18:18:43,026 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:43,768 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 75 [2021-07-09 18:18:43,769 INFO L628 ElimStorePlain]: treesize reduction 1428, result has 30.6 percent of original size [2021-07-09 18:18:43,769 INFO L518 ElimStorePlain]: Eliminatee v_prenex_492 vanished before elimination [2021-07-09 18:18:43,769 INFO L518 ElimStorePlain]: Eliminatee v_prenex_493 vanished before elimination [2021-07-09 18:18:43,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:18:43,778 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:43,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-07-09 18:18:43,787 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:43,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-07-09 18:18:43,795 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:43,799 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 51 treesize of output 35 [2021-07-09 18:18:43,801 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:43,964 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-07-09 18:18:43,964 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:43,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:18:43,973 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:43,979 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 57 treesize of output 37 [2021-07-09 18:18:43,981 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:43,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:18:43,988 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:43,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:18:43,993 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:44,073 INFO L628 ElimStorePlain]: treesize reduction 382, result has 15.5 percent of original size [2021-07-09 18:18:44,074 INFO L518 ElimStorePlain]: Eliminatee v_prenex_496 vanished before elimination [2021-07-09 18:18:44,074 INFO L518 ElimStorePlain]: Eliminatee v_prenex_497 vanished before elimination [2021-07-09 18:18:44,074 INFO L518 ElimStorePlain]: Eliminatee v_prenex_498 vanished before elimination [2021-07-09 18:18:44,074 INFO L518 ElimStorePlain]: Eliminatee v_prenex_499 vanished before elimination [2021-07-09 18:18:44,074 INFO L518 ElimStorePlain]: Eliminatee v_prenex_488 vanished before elimination [2021-07-09 18:18:44,074 INFO L518 ElimStorePlain]: Eliminatee v_prenex_489 vanished before elimination [2021-07-09 18:18:44,074 INFO L518 ElimStorePlain]: Eliminatee v_prenex_500 vanished before elimination [2021-07-09 18:18:44,074 INFO L518 ElimStorePlain]: Eliminatee v_prenex_501 vanished before elimination [2021-07-09 18:18:44,074 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-07-09 18:18:44,074 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-07-09 18:18:44,075 INFO L550 ElimStorePlain]: Start of recursive call 1: 16 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-09 18:18:44,075 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 16 variables, input treesize:2273, output treesize:70 [2021-07-09 18:18:44,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-07-09 18:18:44,153 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:44,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:18:44,156 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:44,165 INFO L628 ElimStorePlain]: treesize reduction 61, result has 7.6 percent of original size [2021-07-09 18:18:44,166 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-07-09 18:18:44,166 INFO L518 ElimStorePlain]: Eliminatee v_prenex_502 vanished before elimination [2021-07-09 18:18:44,166 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:18:44,166 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-07-09 18:18:44,171 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:18:44,172 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181464676] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:18:44,172 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:18:44,172 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-07-09 18:18:44,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628509912] [2021-07-09 18:18:44,172 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-09 18:18:44,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:18:44,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-09 18:18:44,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=468, Unknown=0, NotChecked=0, Total=552 [2021-07-09 18:18:44,172 INFO L87 Difference]: Start difference. First operand 7586 states and 27027 transitions. Second operand has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:18:45,261 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 44 [2021-07-09 18:18:45,436 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2021-07-09 18:18:45,633 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 44 [2021-07-09 18:18:46,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:18:46,800 INFO L93 Difference]: Finished difference Result 12684 states and 44107 transitions. [2021-07-09 18:18:46,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-09 18:18:46,801 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 [2021-07-09 18:18:46,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:18:46,833 INFO L225 Difference]: With dead ends: 12684 [2021-07-09 18:18:46,833 INFO L226 Difference]: Without dead ends: 12540 [2021-07-09 18:18:46,834 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 2446.9ms TimeCoverageRelationStatistics Valid=381, Invalid=2271, Unknown=0, NotChecked=0, Total=2652 [2021-07-09 18:18:46,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12540 states. [2021-07-09 18:18:46,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12540 to 8009. [2021-07-09 18:18:46,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8009 states, 8008 states have (on average 3.5752997002997002) internal successors, (28631), 8008 states have internal predecessors, (28631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:18:46,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8009 states to 8009 states and 28631 transitions. [2021-07-09 18:18:46,996 INFO L78 Accepts]: Start accepts. Automaton has 8009 states and 28631 transitions. Word has length 33 [2021-07-09 18:18:46,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:18:46,996 INFO L482 AbstractCegarLoop]: Abstraction has 8009 states and 28631 transitions. [2021-07-09 18:18:46,996 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) [2021-07-09 18:18:46,996 INFO L276 IsEmpty]: Start isEmpty. Operand 8009 states and 28631 transitions. [2021-07-09 18:18:47,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-09 18:18:47,010 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:18:47,010 INFO L508 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] [2021-07-09 18:18:47,218 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3817,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:18:47,218 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:18:47,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:18:47,219 INFO L82 PathProgramCache]: Analyzing trace with hash -919407476, now seen corresponding path program 32 times [2021-07-09 18:18:47,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:18:47,219 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516508909] [2021-07-09 18:18:47,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:18:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:18:47,801 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:18:47,802 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:18:47,802 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516508909] [2021-07-09 18:18:47,802 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516508909] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:18:47,802 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185554610] [2021-07-09 18:18:47,802 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 [2021-07-09 18:18:47,831 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 18:18:47,832 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:18:47,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-09 18:18:47,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:18:47,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:18:47,938 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:47,949 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:47,949 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:18:47,950 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-09 18:18:48,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:48,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:48,045 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 [2021-07-09 18:18:48,046 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:48,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:48,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:18:48,052 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:48,082 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:48,083 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-09 18:18:48,083 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:113, output treesize:113 [2021-07-09 18:18:48,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:48,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-07-09 18:18:48,266 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:48,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:48,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-07-09 18:18:48,272 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:48,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:48,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-07-09 18:18:48,353 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:48,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:48,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:18:48,359 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:48,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:48,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:18:48,365 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:48,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:48,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-07-09 18:18:48,372 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:48,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:48,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:18:48,378 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:48,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:48,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:18:48,382 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:48,673 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2021-07-09 18:18:48,673 INFO L628 ElimStorePlain]: treesize reduction 461, result has 55.4 percent of original size [2021-07-09 18:18:48,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:48,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:18:48,680 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:48,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:48,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:18:48,686 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:48,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:48,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:18:48,691 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:48,908 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-07-09 18:18:48,908 INFO L628 ElimStorePlain]: treesize reduction 45, result has 90.8 percent of original size [2021-07-09 18:18:48,910 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-07-09 18:18:48,910 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 2 variables, input treesize:1177, output treesize:443 [2021-07-09 18:18:49,045 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-07-09 18:18:49,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:18:49,589 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:50,469 WARN L205 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 680 [2021-07-09 18:18:50,469 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:50,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:18:50,499 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:51,566 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 673 [2021-07-09 18:18:51,567 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:51,592 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 25 treesize of output 15 [2021-07-09 18:18:51,594 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:52,349 WARN L205 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 342 [2021-07-09 18:18:52,350 INFO L628 ElimStorePlain]: treesize reduction 868, result has 51.3 percent of original size [2021-07-09 18:18:52,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-09 18:18:52,364 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:52,670 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2021-07-09 18:18:52,671 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:52,685 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 27 treesize of output 15 [2021-07-09 18:18:52,686 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:52,738 INFO L628 ElimStorePlain]: treesize reduction 867, result has 0.6 percent of original size [2021-07-09 18:18:52,738 INFO L518 ElimStorePlain]: Eliminatee v_prenex_520 vanished before elimination [2021-07-09 18:18:52,738 INFO L518 ElimStorePlain]: Eliminatee v_prenex_565 vanished before elimination [2021-07-09 18:18:52,738 INFO L518 ElimStorePlain]: Eliminatee v_prenex_521 vanished before elimination [2021-07-09 18:18:52,738 INFO L518 ElimStorePlain]: Eliminatee v_prenex_566 vanished before elimination [2021-07-09 18:18:52,738 INFO L518 ElimStorePlain]: Eliminatee v_prenex_522 vanished before elimination [2021-07-09 18:18:52,738 INFO L518 ElimStorePlain]: Eliminatee v_prenex_567 vanished before elimination [2021-07-09 18:18:52,738 INFO L518 ElimStorePlain]: Eliminatee v_prenex_523 vanished before elimination [2021-07-09 18:18:52,738 INFO L518 ElimStorePlain]: Eliminatee v_prenex_568 vanished before elimination [2021-07-09 18:18:52,738 INFO L518 ElimStorePlain]: Eliminatee v_prenex_524 vanished before elimination [2021-07-09 18:18:52,738 INFO L518 ElimStorePlain]: Eliminatee v_prenex_558 vanished before elimination [2021-07-09 18:18:52,738 INFO L518 ElimStorePlain]: Eliminatee v_prenex_514 vanished before elimination [2021-07-09 18:18:52,739 INFO L518 ElimStorePlain]: Eliminatee v_prenex_515 vanished before elimination [2021-07-09 18:18:52,739 INFO L518 ElimStorePlain]: Eliminatee v_prenex_559 vanished before elimination [2021-07-09 18:18:52,739 INFO L518 ElimStorePlain]: Eliminatee v_prenex_516 vanished before elimination [2021-07-09 18:18:52,739 INFO L518 ElimStorePlain]: Eliminatee v_prenex_517 vanished before elimination [2021-07-09 18:18:52,739 INFO L518 ElimStorePlain]: Eliminatee v_prenex_518 vanished before elimination [2021-07-09 18:18:52,739 INFO L518 ElimStorePlain]: Eliminatee v_prenex_519 vanished before elimination [2021-07-09 18:18:52,739 INFO L518 ElimStorePlain]: Eliminatee v_prenex_550 vanished before elimination [2021-07-09 18:18:52,739 INFO L518 ElimStorePlain]: Eliminatee v_prenex_551 vanished before elimination [2021-07-09 18:18:52,739 INFO L518 ElimStorePlain]: Eliminatee v_prenex_552 vanished before elimination [2021-07-09 18:18:52,739 INFO L518 ElimStorePlain]: Eliminatee v_prenex_553 vanished before elimination [2021-07-09 18:18:52,739 INFO L518 ElimStorePlain]: Eliminatee v_prenex_510 vanished before elimination [2021-07-09 18:18:52,739 INFO L518 ElimStorePlain]: Eliminatee v_prenex_554 vanished before elimination [2021-07-09 18:18:52,739 INFO L518 ElimStorePlain]: Eliminatee v_prenex_555 vanished before elimination [2021-07-09 18:18:52,739 INFO L518 ElimStorePlain]: Eliminatee v_prenex_511 vanished before elimination [2021-07-09 18:18:52,739 INFO L518 ElimStorePlain]: Eliminatee v_prenex_556 vanished before elimination [2021-07-09 18:18:52,739 INFO L518 ElimStorePlain]: Eliminatee v_prenex_512 vanished before elimination [2021-07-09 18:18:52,739 INFO L518 ElimStorePlain]: Eliminatee v_prenex_557 vanished before elimination [2021-07-09 18:18:52,739 INFO L518 ElimStorePlain]: Eliminatee v_prenex_513 vanished before elimination [2021-07-09 18:18:52,739 INFO L518 ElimStorePlain]: Eliminatee v_prenex_547 vanished before elimination [2021-07-09 18:18:52,739 INFO L518 ElimStorePlain]: Eliminatee v_prenex_548 vanished before elimination [2021-07-09 18:18:52,739 INFO L518 ElimStorePlain]: Eliminatee v_prenex_549 vanished before elimination [2021-07-09 18:18:52,740 INFO L518 ElimStorePlain]: Eliminatee v_prenex_505 vanished before elimination [2021-07-09 18:18:52,740 INFO L518 ElimStorePlain]: Eliminatee v_prenex_506 vanished before elimination [2021-07-09 18:18:52,740 INFO L518 ElimStorePlain]: Eliminatee v_prenex_507 vanished before elimination [2021-07-09 18:18:52,740 INFO L518 ElimStorePlain]: Eliminatee v_prenex_508 vanished before elimination [2021-07-09 18:18:52,740 INFO L518 ElimStorePlain]: Eliminatee v_prenex_509 vanished before elimination [2021-07-09 18:18:52,740 INFO L518 ElimStorePlain]: Eliminatee v_prenex_580 vanished before elimination [2021-07-09 18:18:52,740 INFO L518 ElimStorePlain]: Eliminatee v_prenex_581 vanished before elimination [2021-07-09 18:18:52,740 INFO L518 ElimStorePlain]: Eliminatee v_prenex_582 vanished before elimination [2021-07-09 18:18:52,740 INFO L518 ElimStorePlain]: Eliminatee v_prenex_540 vanished before elimination [2021-07-09 18:18:52,740 INFO L518 ElimStorePlain]: Eliminatee v_prenex_541 vanished before elimination [2021-07-09 18:18:52,740 INFO L518 ElimStorePlain]: Eliminatee v_prenex_542 vanished before elimination [2021-07-09 18:18:52,740 INFO L518 ElimStorePlain]: Eliminatee v_prenex_543 vanished before elimination [2021-07-09 18:18:52,740 INFO L518 ElimStorePlain]: Eliminatee v_prenex_544 vanished before elimination [2021-07-09 18:18:52,740 INFO L518 ElimStorePlain]: Eliminatee v_prenex_545 vanished before elimination [2021-07-09 18:18:52,740 INFO L518 ElimStorePlain]: Eliminatee v_prenex_546 vanished before elimination [2021-07-09 18:18:52,740 INFO L518 ElimStorePlain]: Eliminatee v_prenex_536 vanished before elimination [2021-07-09 18:18:52,740 INFO L518 ElimStorePlain]: Eliminatee v_prenex_537 vanished before elimination [2021-07-09 18:18:52,740 INFO L518 ElimStorePlain]: Eliminatee v_prenex_538 vanished before elimination [2021-07-09 18:18:52,740 INFO L518 ElimStorePlain]: Eliminatee v_prenex_539 vanished before elimination [2021-07-09 18:18:52,740 INFO L518 ElimStorePlain]: Eliminatee v_prenex_570 vanished before elimination [2021-07-09 18:18:52,740 INFO L518 ElimStorePlain]: Eliminatee v_prenex_571 vanished before elimination [2021-07-09 18:18:52,740 INFO L518 ElimStorePlain]: Eliminatee v_prenex_572 vanished before elimination [2021-07-09 18:18:52,741 INFO L518 ElimStorePlain]: Eliminatee v_prenex_573 vanished before elimination [2021-07-09 18:18:52,741 INFO L518 ElimStorePlain]: Eliminatee v_prenex_530 vanished before elimination [2021-07-09 18:18:52,741 INFO L518 ElimStorePlain]: Eliminatee v_prenex_574 vanished before elimination [2021-07-09 18:18:52,741 INFO L518 ElimStorePlain]: Eliminatee v_prenex_575 vanished before elimination [2021-07-09 18:18:52,741 INFO L518 ElimStorePlain]: Eliminatee v_prenex_531 vanished before elimination [2021-07-09 18:18:52,741 INFO L518 ElimStorePlain]: Eliminatee v_prenex_576 vanished before elimination [2021-07-09 18:18:52,741 INFO L518 ElimStorePlain]: Eliminatee v_prenex_532 vanished before elimination [2021-07-09 18:18:52,741 INFO L518 ElimStorePlain]: Eliminatee v_prenex_533 vanished before elimination [2021-07-09 18:18:52,741 INFO L518 ElimStorePlain]: Eliminatee v_prenex_577 vanished before elimination [2021-07-09 18:18:52,741 INFO L518 ElimStorePlain]: Eliminatee v_prenex_534 vanished before elimination [2021-07-09 18:18:52,741 INFO L518 ElimStorePlain]: Eliminatee v_prenex_578 vanished before elimination [2021-07-09 18:18:52,741 INFO L518 ElimStorePlain]: Eliminatee v_prenex_579 vanished before elimination [2021-07-09 18:18:52,741 INFO L518 ElimStorePlain]: Eliminatee v_prenex_535 vanished before elimination [2021-07-09 18:18:52,741 INFO L518 ElimStorePlain]: Eliminatee v_prenex_525 vanished before elimination [2021-07-09 18:18:52,741 INFO L518 ElimStorePlain]: Eliminatee v_prenex_569 vanished before elimination [2021-07-09 18:18:52,741 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-07-09 18:18:52,741 INFO L518 ElimStorePlain]: Eliminatee v_prenex_526 vanished before elimination [2021-07-09 18:18:52,741 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-07-09 18:18:52,741 INFO L518 ElimStorePlain]: Eliminatee v_prenex_527 vanished before elimination [2021-07-09 18:18:52,741 INFO L518 ElimStorePlain]: Eliminatee v_prenex_528 vanished before elimination [2021-07-09 18:18:52,742 INFO L518 ElimStorePlain]: Eliminatee v_prenex_529 vanished before elimination [2021-07-09 18:18:52,742 INFO L550 ElimStorePlain]: Start of recursive call 1: 80 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:18:52,742 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 80 variables, input treesize:1841, output treesize:5 [2021-07-09 18:18:52,752 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:18:52,752 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185554610] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:18:52,752 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:18:52,752 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-07-09 18:18:52,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531111713] [2021-07-09 18:18:52,752 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-09 18:18:52,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:18:52,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-09 18:18:52,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=454, Unknown=0, NotChecked=0, Total=552 [2021-07-09 18:18:52,753 INFO L87 Difference]: Start difference. First operand 8009 states and 28631 transitions. Second operand has 24 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:18:52,906 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-07-09 18:18:53,550 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-07-09 18:18:54,156 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2021-07-09 18:18:54,418 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2021-07-09 18:18:55,196 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-07-09 18:18:55,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:18:55,792 INFO L93 Difference]: Finished difference Result 13143 states and 45967 transitions. [2021-07-09 18:18:55,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 18:18:55,793 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 [2021-07-09 18:18:55,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:18:55,824 INFO L225 Difference]: With dead ends: 13143 [2021-07-09 18:18:55,825 INFO L226 Difference]: Without dead ends: 12925 [2021-07-09 18:18:55,825 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 2999.7ms TimeCoverageRelationStatistics Valid=421, Invalid=2029, Unknown=0, NotChecked=0, Total=2450 [2021-07-09 18:18:55,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12925 states. [2021-07-09 18:18:55,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12925 to 7909. [2021-07-09 18:18:55,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7909 states, 7908 states have (on average 3.5706879109762264) internal successors, (28237), 7908 states have internal predecessors, (28237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:18:55,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7909 states to 7909 states and 28237 transitions. [2021-07-09 18:18:55,970 INFO L78 Accepts]: Start accepts. Automaton has 7909 states and 28237 transitions. Word has length 33 [2021-07-09 18:18:55,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:18:55,970 INFO L482 AbstractCegarLoop]: Abstraction has 7909 states and 28237 transitions. [2021-07-09 18:18:55,970 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) [2021-07-09 18:18:55,970 INFO L276 IsEmpty]: Start isEmpty. Operand 7909 states and 28237 transitions. [2021-07-09 18:18:55,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-09 18:18:55,982 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:18:55,982 INFO L508 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] [2021-07-09 18:18:56,196 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4118,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:18:56,197 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:18:56,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:18:56,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1958616328, now seen corresponding path program 33 times [2021-07-09 18:18:56,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:18:56,197 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674152372] [2021-07-09 18:18:56,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:18:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:18:56,757 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:18:56,758 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:18:56,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674152372] [2021-07-09 18:18:56,758 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674152372] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:18:56,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865790547] [2021-07-09 18:18:56,758 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 [2021-07-09 18:18:56,789 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-09 18:18:56,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:18:56,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-09 18:18:56,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:18:56,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2021-07-09 18:18:56,874 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:56,884 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:56,884 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:18:56,884 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-09 18:18:56,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:56,962 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 35 treesize of output 35 [2021-07-09 18:18:56,963 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:56,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:56,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:18:56,968 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:56,995 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:56,996 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-09 18:18:56,996 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:111, output treesize:113 [2021-07-09 18:18:57,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:57,213 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:57,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 44 [2021-07-09 18:18:57,216 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-09 18:18:57,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:57,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:57,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 18:18:57,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2021-07-09 18:18:57,222 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:57,320 INFO L628 ElimStorePlain]: treesize reduction 128, result has 54.3 percent of original size [2021-07-09 18:18:57,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:18:57,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:18:57,325 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:57,360 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:18:57,363 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-09 18:18:57,363 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:271, output treesize:156 [2021-07-09 18:18:57,635 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-07-09 18:18:59,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:18:59,193 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:59,204 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 29 treesize of output 17 [2021-07-09 18:18:59,205 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:59,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:18:59,217 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:59,229 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 27 treesize of output 17 [2021-07-09 18:18:59,230 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:59,242 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 29 treesize of output 17 [2021-07-09 18:18:59,243 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:59,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:18:59,255 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:59,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-09 18:18:59,267 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:59,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-09 18:18:59,279 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:59,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:18:59,291 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:59,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-09 18:18:59,303 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:59,314 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 27 treesize of output 17 [2021-07-09 18:18:59,315 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:59,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-09 18:18:59,327 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:59,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-09 18:18:59,339 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:59,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:18:59,352 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:59,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-09 18:18:59,363 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-09 18:18:59,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:18:59,372 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:01,590 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 138 DAG size of output: 133 [2021-07-09 18:19:01,591 INFO L628 ElimStorePlain]: treesize reduction 148, result has 94.8 percent of original size [2021-07-09 18:19:01,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-07-09 18:19:01,602 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:01,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-07-09 18:19:01,613 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:01,623 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 25 treesize of output 15 [2021-07-09 18:19:01,625 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:01,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-07-09 18:19:01,633 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:02,329 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 58 [2021-07-09 18:19:02,330 INFO L628 ElimStorePlain]: treesize reduction 1841, result has 29.1 percent of original size [2021-07-09 18:19:02,330 INFO L518 ElimStorePlain]: Eliminatee v_prenex_584 vanished before elimination [2021-07-09 18:19:02,330 INFO L518 ElimStorePlain]: Eliminatee v_prenex_585 vanished before elimination [2021-07-09 18:19:02,336 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 18 treesize of output 10 [2021-07-09 18:19:02,337 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:02,341 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:19:02,341 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:02,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 10 [2021-07-09 18:19:02,348 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:02,351 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:19:02,351 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:02,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2021-07-09 18:19:02,358 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:02,361 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:19:02,362 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:02,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 10 [2021-07-09 18:19:02,369 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:02,372 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:19:02,372 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:02,376 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:19:02,376 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:02,379 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:19:02,379 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:02,383 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:19:02,383 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:02,386 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:19:02,386 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:02,389 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:19:02,390 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:02,392 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:19:02,393 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:02,396 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:19:02,396 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:02,399 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:19:02,399 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:02,444 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:02,449 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 18 treesize of output 10 [2021-07-09 18:19:02,451 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:02,453 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:19:02,453 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:02,455 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:19:02,456 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:02,458 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:19:02,458 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:02,470 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:02,470 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-09 18:19:02,470 INFO L247 ElimStorePlain]: Needed 41 recursive calls to eliminate 6 variables, input treesize:3473, output treesize:28 [2021-07-09 18:19:02,518 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:19:02,519 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865790547] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:19:02,519 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:19:02,519 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2021-07-09 18:19:02,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189654454] [2021-07-09 18:19:02,520 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-09 18:19:02,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:19:02,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-09 18:19:02,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=650, Unknown=0, NotChecked=0, Total=756 [2021-07-09 18:19:02,520 INFO L87 Difference]: Start difference. First operand 7909 states and 28237 transitions. Second operand has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:19:03,737 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2021-07-09 18:19:04,854 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-07-09 18:19:05,040 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-07-09 18:19:05,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:19:05,099 INFO L93 Difference]: Finished difference Result 11809 states and 41370 transitions. [2021-07-09 18:19:05,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-09 18:19:05,099 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 [2021-07-09 18:19:05,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:19:05,172 INFO L225 Difference]: With dead ends: 11809 [2021-07-09 18:19:05,173 INFO L226 Difference]: Without dead ends: 11668 [2021-07-09 18:19:05,173 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 2804.4ms TimeCoverageRelationStatistics Valid=365, Invalid=2391, Unknown=0, NotChecked=0, Total=2756 [2021-07-09 18:19:05,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11668 states. [2021-07-09 18:19:05,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11668 to 7941. [2021-07-09 18:19:05,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7941 states, 7940 states have (on average 3.566876574307305) internal successors, (28321), 7940 states have internal predecessors, (28321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:19:05,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7941 states to 7941 states and 28321 transitions. [2021-07-09 18:19:05,308 INFO L78 Accepts]: Start accepts. Automaton has 7941 states and 28321 transitions. Word has length 33 [2021-07-09 18:19:05,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:19:05,308 INFO L482 AbstractCegarLoop]: Abstraction has 7941 states and 28321 transitions. [2021-07-09 18:19:05,308 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) [2021-07-09 18:19:05,308 INFO L276 IsEmpty]: Start isEmpty. Operand 7941 states and 28321 transitions. [2021-07-09 18:19:05,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-09 18:19:05,321 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:19:05,322 INFO L508 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] [2021-07-09 18:19:05,535 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable4148 [2021-07-09 18:19:05,536 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:19:05,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:19:05,536 INFO L82 PathProgramCache]: Analyzing trace with hash -617777642, now seen corresponding path program 34 times [2021-07-09 18:19:05,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:19:05,537 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761467979] [2021-07-09 18:19:05,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:19:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:19:06,005 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:19:06,005 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:19:06,005 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761467979] [2021-07-09 18:19:06,006 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761467979] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:19:06,006 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674926356] [2021-07-09 18:19:06,006 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 [2021-07-09 18:19:06,036 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 18:19:06,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:19:06,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-09 18:19:06,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:19:06,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:19:06,118 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:06,130 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:06,130 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:19:06,130 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-07-09 18:19:06,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:06,221 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 [2021-07-09 18:19:06,222 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:06,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:06,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 37 [2021-07-09 18:19:06,228 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:06,259 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:06,260 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-09 18:19:06,260 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:113, output treesize:113 [2021-07-09 18:19:06,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:06,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-07-09 18:19:06,338 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:06,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:06,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 32 [2021-07-09 18:19:06,343 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:06,401 INFO L628 ElimStorePlain]: treesize reduction 77, result has 56.0 percent of original size [2021-07-09 18:19:06,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:06,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-09 18:19:06,406 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:06,425 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:06,425 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-09 18:19:06,426 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:219, output treesize:74 [2021-07-09 18:19:07,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:19:07,967 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:07,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:19:07,987 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:08,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:19:08,006 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:08,020 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 27 treesize of output 17 [2021-07-09 18:19:08,021 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:10,702 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 287 DAG size of output: 284 [2021-07-09 18:19:10,703 INFO L628 ElimStorePlain]: treesize reduction 50, result has 97.7 percent of original size [2021-07-09 18:19:10,740 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 27 treesize of output 17 [2021-07-09 18:19:10,741 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:10,758 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 27 treesize of output 17 [2021-07-09 18:19:10,759 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:10,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:19:10,776 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:10,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-07-09 18:19:10,788 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:11,855 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 273 [2021-07-09 18:19:11,856 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:11,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-07-09 18:19:11,873 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:11,884 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 25 treesize of output 15 [2021-07-09 18:19:11,885 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:14,042 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-07-09 18:19:14,042 INFO L628 ElimStorePlain]: treesize reduction 140, result has 92.7 percent of original size [2021-07-09 18:19:14,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-09 18:19:14,060 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:14,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-09 18:19:14,075 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:14,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-09 18:19:14,086 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:16,020 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 251 DAG size of output: 249 [2021-07-09 18:19:16,020 INFO L628 ElimStorePlain]: treesize reduction 25, result has 98.5 percent of original size [2021-07-09 18:19:16,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-07-09 18:19:16,038 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:16,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-07-09 18:19:16,050 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:16,430 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 5 [2021-07-09 18:19:16,431 INFO L628 ElimStorePlain]: treesize reduction 1640, result has 0.3 percent of original size [2021-07-09 18:19:16,431 INFO L518 ElimStorePlain]: Eliminatee v_prenex_595 vanished before elimination [2021-07-09 18:19:16,431 INFO L518 ElimStorePlain]: Eliminatee v_prenex_596 vanished before elimination [2021-07-09 18:19:16,431 INFO L518 ElimStorePlain]: Eliminatee v_prenex_597 vanished before elimination [2021-07-09 18:19:16,431 INFO L518 ElimStorePlain]: Eliminatee v_prenex_598 vanished before elimination [2021-07-09 18:19:16,431 INFO L518 ElimStorePlain]: Eliminatee v_prenex_610 vanished before elimination [2021-07-09 18:19:16,431 INFO L518 ElimStorePlain]: Eliminatee v_prenex_599 vanished before elimination [2021-07-09 18:19:16,431 INFO L518 ElimStorePlain]: Eliminatee v_prenex_600 vanished before elimination [2021-07-09 18:19:16,431 INFO L518 ElimStorePlain]: Eliminatee v_prenex_589 vanished before elimination [2021-07-09 18:19:16,431 INFO L518 ElimStorePlain]: Eliminatee v_prenex_601 vanished before elimination [2021-07-09 18:19:16,431 INFO L518 ElimStorePlain]: Eliminatee v_prenex_602 vanished before elimination [2021-07-09 18:19:16,431 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-07-09 18:19:16,431 INFO L518 ElimStorePlain]: Eliminatee v_prenex_603 vanished before elimination [2021-07-09 18:19:16,431 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-07-09 18:19:16,431 INFO L518 ElimStorePlain]: Eliminatee v_prenex_604 vanished before elimination [2021-07-09 18:19:16,431 INFO L518 ElimStorePlain]: Eliminatee v_prenex_605 vanished before elimination [2021-07-09 18:19:16,432 INFO L518 ElimStorePlain]: Eliminatee v_prenex_606 vanished before elimination [2021-07-09 18:19:16,432 INFO L518 ElimStorePlain]: Eliminatee v_prenex_607 vanished before elimination [2021-07-09 18:19:16,432 INFO L518 ElimStorePlain]: Eliminatee v_prenex_608 vanished before elimination [2021-07-09 18:19:16,432 INFO L518 ElimStorePlain]: Eliminatee v_prenex_609 vanished before elimination [2021-07-09 18:19:16,432 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 18:19:16,432 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 24 variables, input treesize:2209, output treesize:5 [2021-07-09 18:19:16,440 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:19:16,441 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674926356] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:19:16,441 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:19:16,441 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-07-09 18:19:16,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282100180] [2021-07-09 18:19:16,441 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-09 18:19:16,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:19:16,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-09 18:19:16,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2021-07-09 18:19:16,441 INFO L87 Difference]: Start difference. First operand 7941 states and 28321 transitions. Second operand has 23 states, 23 states have (on average 2.5217391304347827) internal successors, (58), 22 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:19:16,738 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-07-09 18:19:18,293 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-07-09 18:19:18,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:19:18,542 INFO L93 Difference]: Finished difference Result 13846 states and 47410 transitions. [2021-07-09 18:19:18,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-09 18:19:18,542 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 [2021-07-09 18:19:18,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:19:18,571 INFO L225 Difference]: With dead ends: 13846 [2021-07-09 18:19:18,571 INFO L226 Difference]: Without dead ends: 13580 [2021-07-09 18:19:18,572 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 699 ImplicationChecksByTransitivity, 2017.5ms TimeCoverageRelationStatistics Valid=413, Invalid=1749, Unknown=0, NotChecked=0, Total=2162 [2021-07-09 18:19:18,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13580 states. [2021-07-09 18:19:18,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13580 to 7897. [2021-07-09 18:19:18,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7897 states, 7896 states have (on average 3.5713019250253293) internal successors, (28199), 7896 states have internal predecessors, (28199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:19:18,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7897 states to 7897 states and 28199 transitions. [2021-07-09 18:19:18,744 INFO L78 Accepts]: Start accepts. Automaton has 7897 states and 28199 transitions. Word has length 33 [2021-07-09 18:19:18,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:19:18,744 INFO L482 AbstractCegarLoop]: Abstraction has 7897 states and 28199 transitions. [2021-07-09 18:19:18,744 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) [2021-07-09 18:19:18,744 INFO L276 IsEmpty]: Start isEmpty. Operand 7897 states and 28199 transitions. [2021-07-09 18:19:18,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-07-09 18:19:18,756 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:19:18,756 INFO L508 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] [2021-07-09 18:19:18,972 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4722,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:19:18,972 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:19:18,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:19:18,973 INFO L82 PathProgramCache]: Analyzing trace with hash -302436886, now seen corresponding path program 35 times [2021-07-09 18:19:18,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:19:18,973 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878928602] [2021-07-09 18:19:18,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:19:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:19:19,016 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-09 18:19:19,017 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:19:19,017 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878928602] [2021-07-09 18:19:19,017 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878928602] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:19:19,017 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330980847] [2021-07-09 18:19:19,017 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 [2021-07-09 18:19:19,092 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-09 18:19:19,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:19:19,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-09 18:19:19,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:19:19,127 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-09 18:19:19,127 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330980847] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:19:19,127 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:19:19,127 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-07-09 18:19:19,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143654719] [2021-07-09 18:19:19,128 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-09 18:19:19,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:19:19,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-09 18:19:19,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-07-09 18:19:19,128 INFO L87 Difference]: Start difference. First operand 7897 states and 28199 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:19:19,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:19:19,257 INFO L93 Difference]: Finished difference Result 12284 states and 42934 transitions. [2021-07-09 18:19:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 18:19:19,258 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 [2021-07-09 18:19:19,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:19:19,283 INFO L225 Difference]: With dead ends: 12284 [2021-07-09 18:19:19,283 INFO L226 Difference]: Without dead ends: 12248 [2021-07-09 18:19:19,284 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 44.3ms TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-07-09 18:19:19,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12248 states. [2021-07-09 18:19:19,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12248 to 10329. [2021-07-09 18:19:19,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10329 states, 10328 states have (on average 3.621998450813323) internal successors, (37408), 10328 states have internal predecessors, (37408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:19:19,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10329 states to 10329 states and 37408 transitions. [2021-07-09 18:19:19,510 INFO L78 Accepts]: Start accepts. Automaton has 10329 states and 37408 transitions. Word has length 35 [2021-07-09 18:19:19,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:19:19,510 INFO L482 AbstractCegarLoop]: Abstraction has 10329 states and 37408 transitions. [2021-07-09 18:19:19,510 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) [2021-07-09 18:19:19,510 INFO L276 IsEmpty]: Start isEmpty. Operand 10329 states and 37408 transitions. [2021-07-09 18:19:19,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-07-09 18:19:19,527 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:19:19,527 INFO L508 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] [2021-07-09 18:19:19,743 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5157 [2021-07-09 18:19:19,744 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:19:19,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:19:19,744 INFO L82 PathProgramCache]: Analyzing trace with hash 612932962, now seen corresponding path program 36 times [2021-07-09 18:19:19,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:19:19,744 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466742954] [2021-07-09 18:19:19,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:19:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:19:19,761 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-09 18:19:19,761 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:19:19,761 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466742954] [2021-07-09 18:19:19,761 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466742954] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:19:19,761 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733588869] [2021-07-09 18:19:19,761 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 [2021-07-09 18:19:19,789 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-09 18:19:19,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:19:19,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-09 18:19:19,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:19:19,826 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-09 18:19:19,826 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733588869] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:19:19,826 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:19:19,826 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-07-09 18:19:19,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882822951] [2021-07-09 18:19:19,826 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 18:19:19,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:19:19,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 18:19:19,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-07-09 18:19:19,827 INFO L87 Difference]: Start difference. First operand 10329 states and 37408 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:19:19,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:19:19,924 INFO L93 Difference]: Finished difference Result 11882 states and 41775 transitions. [2021-07-09 18:19:19,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 18:19:19,925 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 [2021-07-09 18:19:19,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:19:19,950 INFO L225 Difference]: With dead ends: 11882 [2021-07-09 18:19:19,950 INFO L226 Difference]: Without dead ends: 11882 [2021-07-09 18:19:19,950 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 25.1ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-07-09 18:19:19,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11882 states. [2021-07-09 18:19:20,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11882 to 9465. [2021-07-09 18:19:20,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9465 states, 9464 states have (on average 3.5864327979712596) internal successors, (33942), 9464 states have internal predecessors, (33942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:19:20,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9465 states to 9465 states and 33942 transitions. [2021-07-09 18:19:20,196 INFO L78 Accepts]: Start accepts. Automaton has 9465 states and 33942 transitions. Word has length 35 [2021-07-09 18:19:20,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:19:20,196 INFO L482 AbstractCegarLoop]: Abstraction has 9465 states and 33942 transitions. [2021-07-09 18:19:20,196 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) [2021-07-09 18:19:20,196 INFO L276 IsEmpty]: Start isEmpty. Operand 9465 states and 33942 transitions. [2021-07-09 18:19:20,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-07-09 18:19:20,211 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:19:20,211 INFO L508 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] [2021-07-09 18:19:20,427 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5158,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:19:20,427 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:19:20,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:19:20,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1946736312, now seen corresponding path program 37 times [2021-07-09 18:19:20,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:19:20,427 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397486276] [2021-07-09 18:19:20,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:19:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:19:20,474 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-09 18:19:20,474 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:19:20,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397486276] [2021-07-09 18:19:20,474 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397486276] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:19:20,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146790147] [2021-07-09 18:19:20,474 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 [2021-07-09 18:19:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:19:20,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-09 18:19:20,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:19:20,552 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-09 18:19:20,552 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146790147] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:19:20,552 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:19:20,552 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-07-09 18:19:20,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707450488] [2021-07-09 18:19:20,553 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 18:19:20,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:19:20,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 18:19:20,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-07-09 18:19:20,553 INFO L87 Difference]: Start difference. First operand 9465 states and 33942 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:19:20,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:19:20,678 INFO L93 Difference]: Finished difference Result 13818 states and 48445 transitions. [2021-07-09 18:19:20,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 18:19:20,678 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 [2021-07-09 18:19:20,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:19:20,711 INFO L225 Difference]: With dead ends: 13818 [2021-07-09 18:19:20,711 INFO L226 Difference]: Without dead ends: 13785 [2021-07-09 18:19:20,712 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 22.1ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-07-09 18:19:20,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13785 states. [2021-07-09 18:19:20,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13785 to 11062. [2021-07-09 18:19:20,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11062 states, 11061 states have (on average 3.6520206129644697) internal successors, (40395), 11061 states have internal predecessors, (40395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:19:20,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11062 states to 11062 states and 40395 transitions. [2021-07-09 18:19:20,944 INFO L78 Accepts]: Start accepts. Automaton has 11062 states and 40395 transitions. Word has length 35 [2021-07-09 18:19:20,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:19:20,944 INFO L482 AbstractCegarLoop]: Abstraction has 11062 states and 40395 transitions. [2021-07-09 18:19:20,945 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) [2021-07-09 18:19:20,945 INFO L276 IsEmpty]: Start isEmpty. Operand 11062 states and 40395 transitions. [2021-07-09 18:19:20,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-07-09 18:19:20,961 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:19:20,961 INFO L508 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] [2021-07-09 18:19:21,177 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5159,37 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:19:21,178 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:19:21,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:19:21,178 INFO L82 PathProgramCache]: Analyzing trace with hash 698919468, now seen corresponding path program 38 times [2021-07-09 18:19:21,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:19:21,178 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003023247] [2021-07-09 18:19:21,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:19:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:19:21,195 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-09 18:19:21,195 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:19:21,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003023247] [2021-07-09 18:19:21,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003023247] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:19:21,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548124760] [2021-07-09 18:19:21,195 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 [2021-07-09 18:19:21,224 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 18:19:21,224 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:19:21,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-09 18:19:21,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:19:21,258 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-09 18:19:21,258 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548124760] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:19:21,258 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:19:21,258 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-07-09 18:19:21,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798291852] [2021-07-09 18:19:21,258 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 18:19:21,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:19:21,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 18:19:21,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-07-09 18:19:21,259 INFO L87 Difference]: Start difference. First operand 11062 states and 40395 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:19:21,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:19:21,387 INFO L93 Difference]: Finished difference Result 14568 states and 51142 transitions. [2021-07-09 18:19:21,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 18:19:21,388 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 [2021-07-09 18:19:21,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:19:21,427 INFO L225 Difference]: With dead ends: 14568 [2021-07-09 18:19:21,427 INFO L226 Difference]: Without dead ends: 14568 [2021-07-09 18:19:21,427 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 23.7ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-07-09 18:19:21,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14568 states. [2021-07-09 18:19:21,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14568 to 11105. [2021-07-09 18:19:21,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11105 states, 11104 states have (on average 3.649315561959654) internal successors, (40522), 11104 states have internal predecessors, (40522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:19:21,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11105 states to 11105 states and 40522 transitions. [2021-07-09 18:19:21,660 INFO L78 Accepts]: Start accepts. Automaton has 11105 states and 40522 transitions. Word has length 35 [2021-07-09 18:19:21,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:19:21,660 INFO L482 AbstractCegarLoop]: Abstraction has 11105 states and 40522 transitions. [2021-07-09 18:19:21,660 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) [2021-07-09 18:19:21,660 INFO L276 IsEmpty]: Start isEmpty. Operand 11105 states and 40522 transitions. [2021-07-09 18:19:21,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-07-09 18:19:21,676 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:19:21,677 INFO L508 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] [2021-07-09 18:19:21,893 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5160 [2021-07-09 18:19:21,894 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:19:21,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:19:21,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1570214760, now seen corresponding path program 39 times [2021-07-09 18:19:21,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:19:21,894 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400040606] [2021-07-09 18:19:21,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:19:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:19:21,915 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-09 18:19:21,915 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:19:21,915 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400040606] [2021-07-09 18:19:21,915 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400040606] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:19:21,915 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513865703] [2021-07-09 18:19:21,915 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 [2021-07-09 18:19:21,996 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-09 18:19:21,996 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:19:21,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-09 18:19:21,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:19:22,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:19:22,208 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:22,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:19:22,213 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:22,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:19:22,218 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:22,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:19:22,222 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:22,298 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:22,299 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-09 18:19:22,299 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:245, output treesize:241 [2021-07-09 18:19:23,213 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-07-09 18:19:24,038 INFO L446 ElimStorePlain]: Different costs {1=[v_C_64], 190=[A, B]} [2021-07-09 18:19:24,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:24,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:19:24,055 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:24,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:24,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:19:24,072 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:24,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:24,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:19:24,089 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:24,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:24,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:19:24,106 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:24,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:24,122 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 30 treesize of output 32 [2021-07-09 18:19:24,123 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:24,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:24,139 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 30 treesize of output 32 [2021-07-09 18:19:24,140 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:24,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:24,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:19:24,157 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:24,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:24,172 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 30 treesize of output 32 [2021-07-09 18:19:24,172 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:24,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:24,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:19:24,189 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:24,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:24,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:19:24,205 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:24,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:24,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:19:24,221 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:24,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:24,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:19:24,236 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:24,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:24,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:19:24,252 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:24,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:24,267 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 [2021-07-09 18:19:24,268 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:24,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:24,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:19:24,284 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:24,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:24,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 18:19:24,299 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:24,815 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2021-07-09 18:19:24,815 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:24,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:24,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:24,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:24,874 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:24,875 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 57 treesize of output 93 [2021-07-09 18:19:24,914 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2021-07-09 18:19:24,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:24,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:24,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:24,982 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:24,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 93 [2021-07-09 18:19:24,991 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:25,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:25,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:25,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:25,089 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:25,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 93 [2021-07-09 18:19:25,100 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:25,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:25,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:25,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:25,177 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:25,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-07-09 18:19:25,234 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 2 xjuncts. [2021-07-09 18:19:25,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:25,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:25,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:25,320 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:25,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-07-09 18:19:25,362 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2021-07-09 18:19:25,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:25,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:25,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:25,449 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:25,449 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 93 [2021-07-09 18:19:25,503 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2021-07-09 18:19:25,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:25,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:25,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:25,586 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:25,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-07-09 18:19:25,665 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2021-07-09 18:19:25,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:25,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:25,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:25,748 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:25,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 93 [2021-07-09 18:19:25,771 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:25,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:25,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:25,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:25,861 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:25,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 93 [2021-07-09 18:19:25,879 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:25,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:25,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:25,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:25,984 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:25,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 93 [2021-07-09 18:19:26,005 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:26,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:26,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:26,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:26,108 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:26,108 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 57 treesize of output 93 [2021-07-09 18:19:26,207 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 2 xjuncts. [2021-07-09 18:19:26,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:26,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:26,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:26,325 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:26,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 93 [2021-07-09 18:19:26,337 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:26,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:26,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:26,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:26,461 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:26,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-07-09 18:19:26,549 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 2 xjuncts. [2021-07-09 18:19:26,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:26,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:26,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:26,646 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:26,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 93 [2021-07-09 18:19:26,666 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:26,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:26,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:26,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:26,763 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:26,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-07-09 18:19:26,814 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 2 xjuncts. [2021-07-09 18:19:26,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:26,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:26,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:26,903 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:26,903 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 53 treesize of output 93 [2021-07-09 18:19:26,914 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-09 18:19:32,159 WARN L205 SmtUtils]: Spent 5.24 s on a formula simplification. DAG size of input: 648 DAG size of output: 443 [2021-07-09 18:19:32,160 INFO L628 ElimStorePlain]: treesize reduction 4722, result has 47.7 percent of original size [2021-07-09 18:19:32,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:32,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:32,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:32,246 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:32,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 277 treesize of output 267 [2021-07-09 18:19:32,796 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 4 xjuncts. [2021-07-09 18:19:32,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:32,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:32,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:32,892 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:32,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 289 treesize of output 275 [2021-07-09 18:19:33,534 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 6 xjuncts. [2021-07-09 18:19:33,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:33,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:33,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:33,642 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:33,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 206 treesize of output 210 [2021-07-09 18:19:34,511 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 5 xjuncts. [2021-07-09 18:19:34,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:34,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:34,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:34,625 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:34,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 261 treesize of output 249 [2021-07-09 18:19:35,157 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 5 xjuncts. [2021-07-09 18:19:35,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:35,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:35,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:35,280 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:35,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 325 treesize of output 303 [2021-07-09 18:19:36,135 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 383 [2021-07-09 18:19:36,244 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 383 [2021-07-09 18:19:36,380 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 387 [2021-07-09 18:19:36,879 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 411 [2021-07-09 18:19:37,005 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 411 [2021-07-09 18:19:37,121 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 411 [2021-07-09 18:19:37,140 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 3 xjuncts. [2021-07-09 18:19:37,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:37,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:37,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:37,272 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:37,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 221 treesize of output 223 [2021-07-09 18:19:37,872 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 312 [2021-07-09 18:19:37,981 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 312 [2021-07-09 18:19:38,101 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 315 [2021-07-09 18:19:39,298 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 480 [2021-07-09 18:19:39,471 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 480 [2021-07-09 18:19:39,659 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 480 [2021-07-09 18:19:39,686 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 6 xjuncts. [2021-07-09 18:19:39,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:39,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:39,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:39,840 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:39,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 327 treesize of output 301 [2021-07-09 18:19:40,314 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 362 [2021-07-09 18:19:40,530 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 477 [2021-07-09 18:19:41,184 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 479 [2021-07-09 18:19:41,311 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 479 [2021-07-09 18:19:41,441 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 479 [2021-07-09 18:19:41,462 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 3 xjuncts. [2021-07-09 18:19:41,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:41,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:41,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:41,637 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:41,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 219 treesize of output 223 [2021-07-09 18:19:42,139 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-07-09 18:19:42,245 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-07-09 18:19:42,366 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2021-07-09 18:19:43,140 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 231 [2021-07-09 18:19:43,732 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 429 [2021-07-09 18:19:43,914 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 429 [2021-07-09 18:19:44,105 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 429 [2021-07-09 18:19:44,133 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 5 xjuncts. [2021-07-09 18:19:44,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:44,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:44,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:44,323 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:44,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 165 treesize of output 181 [2021-07-09 18:19:44,792 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 4 xjuncts. [2021-07-09 18:19:44,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:44,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:44,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:44,991 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:44,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 207 treesize of output 213 [2021-07-09 18:19:45,419 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 5 xjuncts. [2021-07-09 18:19:45,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:45,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:45,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:45,619 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:45,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 280 treesize of output 270 [2021-07-09 18:19:46,117 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2021-07-09 18:19:46,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:46,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:46,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:46,310 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:46,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 217 treesize of output 223 [2021-07-09 18:19:47,561 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 413 [2021-07-09 18:19:47,671 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 413 [2021-07-09 18:19:47,785 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 413 [2021-07-09 18:19:47,807 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 5 xjuncts. [2021-07-09 18:19:47,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:47,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:47,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:48,018 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:48,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 192 treesize of output 200 [2021-07-09 18:19:48,627 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 4 xjuncts. [2021-07-09 18:19:48,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:48,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:48,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:48,873 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-07-09 18:19:48,874 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:48,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 219 treesize of output 221 [2021-07-09 18:19:50,179 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 437 [2021-07-09 18:19:50,292 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 437 [2021-07-09 18:19:50,408 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 437 [2021-07-09 18:19:50,426 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 4 xjuncts. [2021-07-09 18:19:50,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:50,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:50,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:50,658 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:50,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 254 treesize of output 254 [2021-07-09 18:19:51,146 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 2 xjuncts. [2021-07-09 18:19:51,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:51,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:51,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:19:51,345 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:19:51,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 298 treesize of output 278 [2021-07-09 18:19:52,293 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 463 [2021-07-09 18:19:52,429 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 463 [2021-07-09 18:19:52,577 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 467 [2021-07-09 18:19:53,309 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 416 [2021-07-09 18:19:53,412 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 416 [2021-07-09 18:19:53,531 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 416 [2021-07-09 18:19:53,551 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 7 xjuncts. [2021-07-09 18:20:15,790 WARN L205 SmtUtils]: Spent 22.24 s on a formula simplification. DAG size of input: 3688 DAG size of output: 498 [2021-07-09 18:20:15,791 INFO L628 ElimStorePlain]: treesize reduction 70453, result has 4.6 percent of original size [2021-07-09 18:20:16,774 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 3 dim-1 vars, End of recursive call: 16 dim-0 vars, and 16 xjuncts. [2021-07-09 18:20:16,774 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 20 variables, input treesize:1537, output treesize:4101 [2021-07-09 18:20:18,145 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 788 DAG size of output: 203 [2021-07-09 18:20:18,902 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 116 [2021-07-09 18:20:19,968 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 173 [2021-07-09 18:20:20,483 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 171 [2021-07-09 18:20:21,058 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_710, v_prenex_699, v_prenex_700], 1=[v_prenex_703, v_prenex_707, v_prenex_709], 3=[v_prenex_701, C, v_prenex_704, v_prenex_706, v_prenex_708], 6=[v_prenex_702, v_prenex_705, v_prenex_711]} [2021-07-09 18:20:21,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-09 18:20:21,071 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:20:22,193 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 225 DAG size of output: 184 [2021-07-09 18:20:22,194 INFO L628 ElimStorePlain]: treesize reduction 262, result has 76.7 percent of original size [2021-07-09 18:20:22,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-07-09 18:20:22,204 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:20:23,048 WARN L205 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-07-09 18:20:23,048 INFO L628 ElimStorePlain]: treesize reduction 78, result has 90.9 percent of original size [2021-07-09 18:20:23,048 INFO L518 ElimStorePlain]: Eliminatee v_prenex_700 vanished before elimination [2021-07-09 18:20:23,067 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:20:23,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2021-07-09 18:20:23,071 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-09 18:20:23,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2021-07-09 18:20:23,080 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:20:23,855 WARN L205 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 160 [2021-07-09 18:20:23,855 INFO L628 ElimStorePlain]: treesize reduction 6, result has 99.2 percent of original size [2021-07-09 18:20:23,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:20:23,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-09 18:20:23,867 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:20:23,874 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:20:23,874 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:20:24,243 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2021-07-09 18:20:24,243 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:20:24,243 INFO L518 ElimStorePlain]: Eliminatee v_prenex_709 vanished before elimination [2021-07-09 18:20:24,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:20:24,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2021-07-09 18:20:24,254 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:20:24,259 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:20:24,259 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:20:24,571 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-07-09 18:20:24,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:20:24,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:20:24,581 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 17 treesize of output 11 [2021-07-09 18:20:24,582 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:20:24,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:20:24,605 INFO L354 Elim1Store]: treesize reduction 8, result has 57.9 percent of original size [2021-07-09 18:20:24,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 24 [2021-07-09 18:20:24,607 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:20:24,905 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-07-09 18:20:24,906 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:20:24,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:20:24,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-09 18:20:24,916 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:20:24,920 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 18:20:24,921 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:20:25,203 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-07-09 18:20:25,203 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:20:25,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:20:25,229 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:20:25,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 30 [2021-07-09 18:20:25,237 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2021-07-09 18:20:25,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:20:25,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 12 [2021-07-09 18:20:25,247 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-09 18:20:25,800 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2021-07-09 18:20:25,800 INFO L628 ElimStorePlain]: treesize reduction 20, result has 96.6 percent of original size [2021-07-09 18:20:25,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:20:25,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:20:25,820 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:20:25,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 20 [2021-07-09 18:20:25,824 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2021-07-09 18:20:25,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:20:25,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-07-09 18:20:25,833 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-09 18:20:26,334 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-07-09 18:20:26,335 INFO L628 ElimStorePlain]: treesize reduction 6, result has 98.9 percent of original size [2021-07-09 18:20:26,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:20:26,359 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:20:26,359 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 32 [2021-07-09 18:20:26,365 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2021-07-09 18:20:26,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:20:26,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:20:26,381 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:20:26,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 24 [2021-07-09 18:20:26,384 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2021-07-09 18:20:26,869 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2021-07-09 18:20:26,869 INFO L628 ElimStorePlain]: treesize reduction 13, result has 97.5 percent of original size [2021-07-09 18:20:26,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:20:26,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:20:26,890 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:20:26,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-07-09 18:20:26,893 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-09 18:20:26,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:20:26,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:20:26,931 INFO L354 Elim1Store]: treesize reduction 12, result has 67.6 percent of original size [2021-07-09 18:20:26,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 29 treesize of output 39 [2021-07-09 18:20:26,935 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-09 18:20:27,161 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-07-09 18:20:27,161 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:20:27,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:20:27,184 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:20:27,184 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-07-09 18:20:27,192 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2021-07-09 18:20:27,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:20:27,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:20:27,208 INFO L354 Elim1Store]: treesize reduction 4, result has 60.0 percent of original size [2021-07-09 18:20:27,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 18 [2021-07-09 18:20:27,209 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-09 18:20:27,429 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-07-09 18:20:27,429 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:20:27,447 INFO L550 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 14 dim-1 vars, End of recursive call: and 14 xjuncts. [2021-07-09 18:20:27,447 INFO L247 ElimStorePlain]: Needed 23 recursive calls to eliminate 25 variables, input treesize:1131, output treesize:240 [2021-07-09 18:20:27,589 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 18:20:27,589 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513865703] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:20:27,589 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:20:27,589 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 16] total 21 [2021-07-09 18:20:27,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207212123] [2021-07-09 18:20:27,589 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-09 18:20:27,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:20:27,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-09 18:20:27,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2021-07-09 18:20:27,590 INFO L87 Difference]: Start difference. First operand 11105 states and 40522 transitions. Second operand has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 21 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:20:28,818 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2021-07-09 18:20:30,455 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 139 DAG size of output: 133 [2021-07-09 18:20:30,712 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-07-09 18:20:32,521 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2021-07-09 18:20:32,999 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 229 [2021-07-09 18:20:33,276 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-07-09 18:20:34,501 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 137 DAG size of output: 131 [2021-07-09 18:20:35,207 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 235 [2021-07-09 18:20:35,702 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 230 [2021-07-09 18:20:36,602 WARN L205 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 257 [2021-07-09 18:20:39,564 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 300 DAG size of output: 191 [2021-07-09 18:20:40,992 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 137 DAG size of output: 133 [2021-07-09 18:20:41,448 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 228 [2021-07-09 18:20:42,103 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 230 [2021-07-09 18:20:42,779 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2021-07-09 18:20:43,875 WARN L205 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 263 [2021-07-09 18:20:44,801 WARN L205 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 258 [2021-07-09 18:20:45,900 WARN L205 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2021-07-09 18:20:46,564 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2021-07-09 18:20:47,255 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 234 [2021-07-09 18:20:47,787 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 229 [2021-07-09 18:20:48,613 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2021-07-09 18:20:49,540 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 231 [2021-07-09 18:20:50,372 WARN L205 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2021-07-09 18:20:52,705 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 330 DAG size of output: 324 [2021-07-09 18:20:55,535 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 301 DAG size of output: 192 [2021-07-09 18:20:56,025 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 141 [2021-07-09 18:20:56,851 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 235 [2021-07-09 18:20:57,731 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 257 [2021-07-09 18:21:00,453 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 367 DAG size of output: 226 [2021-07-09 18:21:01,615 WARN L205 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 259 [2021-07-09 18:21:04,382 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 330 DAG size of output: 326 [2021-07-09 18:21:07,382 WARN L205 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 301 DAG size of output: 194 [2021-07-09 18:21:09,614 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 328 DAG size of output: 322 [2021-07-09 18:21:10,072 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-07-09 18:21:10,502 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-07-09 18:21:13,052 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 299 DAG size of output: 190 [2021-07-09 18:21:15,504 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 328 DAG size of output: 324 [2021-07-09 18:21:16,000 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2021-07-09 18:21:16,307 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2021-07-09 18:21:18,789 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 368 DAG size of output: 227 [2021-07-09 18:21:21,892 WARN L205 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 299 DAG size of output: 192 [2021-07-09 18:21:22,369 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-07-09 18:21:25,306 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 368 DAG size of output: 229 [2021-07-09 18:21:25,640 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-07-09 18:21:26,160 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-07-09 18:21:26,503 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2021-07-09 18:21:28,329 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 242 DAG size of output: 226 [2021-07-09 18:21:28,679 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-07-09 18:21:30,875 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 366 DAG size of output: 225 [2021-07-09 18:21:32,906 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 242 DAG size of output: 228 [2021-07-09 18:21:35,695 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 366 DAG size of output: 227 [2021-07-09 18:21:36,120 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2021-07-09 18:21:36,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:21:36,753 INFO L93 Difference]: Finished difference Result 21822 states and 74959 transitions. [2021-07-09 18:21:36,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-07-09 18:21:36,754 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 21 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-07-09 18:21:36,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:21:36,804 INFO L225 Difference]: With dead ends: 21822 [2021-07-09 18:21:36,804 INFO L226 Difference]: Without dead ends: 21590 [2021-07-09 18:21:36,806 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 14 SyntacticMatches, 7 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4587 ImplicationChecksByTransitivity, 67825.5ms TimeCoverageRelationStatistics Valid=2020, Invalid=10190, Unknown=0, NotChecked=0, Total=12210 [2021-07-09 18:21:36,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21590 states. [2021-07-09 18:21:37,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21590 to 10647. [2021-07-09 18:21:37,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10647 states, 10646 states have (on average 3.6323501784707872) internal successors, (38670), 10646 states have internal predecessors, (38670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:37,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10647 states to 10647 states and 38670 transitions. [2021-07-09 18:21:37,093 INFO L78 Accepts]: Start accepts. Automaton has 10647 states and 38670 transitions. Word has length 35 [2021-07-09 18:21:37,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:21:37,093 INFO L482 AbstractCegarLoop]: Abstraction has 10647 states and 38670 transitions. [2021-07-09 18:21:37,093 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 21 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:37,093 INFO L276 IsEmpty]: Start isEmpty. Operand 10647 states and 38670 transitions. [2021-07-09 18:21:37,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-07-09 18:21:37,110 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:21:37,110 INFO L508 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] [2021-07-09 18:21:37,333 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5161 [2021-07-09 18:21:37,334 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:21:37,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:21:37,334 INFO L82 PathProgramCache]: Analyzing trace with hash 816089412, now seen corresponding path program 40 times [2021-07-09 18:21:37,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:21:37,334 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406586010] [2021-07-09 18:21:37,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:21:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:21:37,375 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-09 18:21:37,375 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:21:37,375 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406586010] [2021-07-09 18:21:37,375 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406586010] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:21:37,375 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270524791] [2021-07-09 18:21:37,375 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 [2021-07-09 18:21:37,427 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 18:21:37,427 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:21:37,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-09 18:21:37,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:21:37,461 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-09 18:21:37,461 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270524791] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:21:37,461 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:21:37,461 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-07-09 18:21:37,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23694881] [2021-07-09 18:21:37,462 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-09 18:21:37,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:21:37,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-09 18:21:37,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-09 18:21:37,462 INFO L87 Difference]: Start difference. First operand 10647 states and 38670 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:37,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:21:37,589 INFO L93 Difference]: Finished difference Result 12594 states and 44270 transitions. [2021-07-09 18:21:37,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 18:21:37,590 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 [2021-07-09 18:21:37,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:21:37,618 INFO L225 Difference]: With dead ends: 12594 [2021-07-09 18:21:37,618 INFO L226 Difference]: Without dead ends: 12570 [2021-07-09 18:21:37,618 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 33.4ms TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2021-07-09 18:21:37,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12570 states. [2021-07-09 18:21:37,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12570 to 10369. [2021-07-09 18:21:37,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10369 states, 10368 states have (on average 3.6480516975308643) internal successors, (37823), 10368 states have internal predecessors, (37823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:37,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10369 states to 10369 states and 37823 transitions. [2021-07-09 18:21:37,904 INFO L78 Accepts]: Start accepts. Automaton has 10369 states and 37823 transitions. Word has length 35 [2021-07-09 18:21:37,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:21:37,904 INFO L482 AbstractCegarLoop]: Abstraction has 10369 states and 37823 transitions. [2021-07-09 18:21:37,904 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) [2021-07-09 18:21:37,904 INFO L276 IsEmpty]: Start isEmpty. Operand 10369 states and 37823 transitions. [2021-07-09 18:21:37,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-07-09 18:21:37,920 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:21:37,920 INFO L508 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] [2021-07-09 18:21:38,132 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10346 [2021-07-09 18:21:38,133 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:21:38,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:21:38,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1386836804, now seen corresponding path program 41 times [2021-07-09 18:21:38,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:21:38,133 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522546215] [2021-07-09 18:21:38,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:21:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:21:38,161 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-09 18:21:38,161 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:21:38,162 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522546215] [2021-07-09 18:21:38,162 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522546215] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:21:38,162 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151698326] [2021-07-09 18:21:38,162 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 [2021-07-09 18:21:38,196 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-09 18:21:38,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:21:38,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-09 18:21:38,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:21:38,228 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-09 18:21:38,228 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151698326] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:21:38,228 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:21:38,228 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-07-09 18:21:38,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832164172] [2021-07-09 18:21:38,229 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 18:21:38,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:21:38,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 18:21:38,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-07-09 18:21:38,229 INFO L87 Difference]: Start difference. First operand 10369 states and 37823 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:38,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:21:38,363 INFO L93 Difference]: Finished difference Result 15040 states and 53745 transitions. [2021-07-09 18:21:38,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 18:21:38,363 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 [2021-07-09 18:21:38,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:21:38,398 INFO L225 Difference]: With dead ends: 15040 [2021-07-09 18:21:38,398 INFO L226 Difference]: Without dead ends: 15001 [2021-07-09 18:21:38,398 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 31.9ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-07-09 18:21:38,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15001 states. [2021-07-09 18:21:38,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15001 to 13247. [2021-07-09 18:21:38,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13247 states, 13246 states have (on average 3.6953042427902765) internal successors, (48948), 13246 states have internal predecessors, (48948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:38,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13247 states to 13247 states and 48948 transitions. [2021-07-09 18:21:38,678 INFO L78 Accepts]: Start accepts. Automaton has 13247 states and 48948 transitions. Word has length 35 [2021-07-09 18:21:38,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:21:38,679 INFO L482 AbstractCegarLoop]: Abstraction has 13247 states and 48948 transitions. [2021-07-09 18:21:38,679 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) [2021-07-09 18:21:38,679 INFO L276 IsEmpty]: Start isEmpty. Operand 13247 states and 48948 transitions. [2021-07-09 18:21:38,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-07-09 18:21:38,701 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:21:38,701 INFO L508 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] [2021-07-09 18:21:38,916 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10347,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:21:38,917 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:21:38,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:21:38,917 INFO L82 PathProgramCache]: Analyzing trace with hash -262474712, now seen corresponding path program 42 times [2021-07-09 18:21:38,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:21:38,917 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006181902] [2021-07-09 18:21:38,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:21:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:21:38,950 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-09 18:21:38,950 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:21:38,950 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006181902] [2021-07-09 18:21:38,950 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006181902] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:21:38,950 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127471677] [2021-07-09 18:21:38,950 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 [2021-07-09 18:21:39,014 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-09 18:21:39,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:21:39,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-09 18:21:39,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:21:39,088 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 18:21:39,088 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127471677] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:21:39,088 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:21:39,088 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 11 [2021-07-09 18:21:39,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138963146] [2021-07-09 18:21:39,089 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-09 18:21:39,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:21:39,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-09 18:21:39,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-07-09 18:21:39,089 INFO L87 Difference]: Start difference. First operand 13247 states and 48948 transitions. Second operand has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 11 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:40,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:21:40,398 INFO L93 Difference]: Finished difference Result 32581 states and 108614 transitions. [2021-07-09 18:21:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-09 18:21:40,398 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 11 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-07-09 18:21:40,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:21:40,476 INFO L225 Difference]: With dead ends: 32581 [2021-07-09 18:21:40,476 INFO L226 Difference]: Without dead ends: 32062 [2021-07-09 18:21:40,477 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1795 ImplicationChecksByTransitivity, 625.1ms TimeCoverageRelationStatistics Valid=1195, Invalid=3775, Unknown=0, NotChecked=0, Total=4970 [2021-07-09 18:21:40,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32062 states. [2021-07-09 18:21:40,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32062 to 12636. [2021-07-09 18:21:40,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12636 states, 12635 states have (on average 3.6745548080728136) internal successors, (46428), 12635 states have internal predecessors, (46428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:40,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12636 states to 12636 states and 46428 transitions. [2021-07-09 18:21:40,841 INFO L78 Accepts]: Start accepts. Automaton has 12636 states and 46428 transitions. Word has length 35 [2021-07-09 18:21:40,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:21:40,842 INFO L482 AbstractCegarLoop]: Abstraction has 12636 states and 46428 transitions. [2021-07-09 18:21:40,842 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 11 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:40,842 INFO L276 IsEmpty]: Start isEmpty. Operand 12636 states and 46428 transitions. [2021-07-09 18:21:40,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-07-09 18:21:40,860 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:21:40,860 INFO L508 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] [2021-07-09 18:21:41,076 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10348 [2021-07-09 18:21:41,076 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:21:41,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:21:41,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1986810880, now seen corresponding path program 43 times [2021-07-09 18:21:41,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:21:41,076 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128579497] [2021-07-09 18:21:41,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:21:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:21:41,122 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-09 18:21:41,122 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:21:41,122 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128579497] [2021-07-09 18:21:41,123 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128579497] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:21:41,123 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914063285] [2021-07-09 18:21:41,123 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 [2021-07-09 18:21:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:21:41,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-09 18:21:41,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:21:41,193 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-09 18:21:41,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914063285] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:21:41,193 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:21:41,193 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-07-09 18:21:41,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309155651] [2021-07-09 18:21:41,193 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-09 18:21:41,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:21:41,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-09 18:21:41,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-09 18:21:41,194 INFO L87 Difference]: Start difference. First operand 12636 states and 46428 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:41,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:21:41,366 INFO L93 Difference]: Finished difference Result 23526 states and 84900 transitions. [2021-07-09 18:21:41,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 18:21:41,366 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 [2021-07-09 18:21:41,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:21:41,427 INFO L225 Difference]: With dead ends: 23526 [2021-07-09 18:21:41,427 INFO L226 Difference]: Without dead ends: 23412 [2021-07-09 18:21:41,428 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 37.5ms TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2021-07-09 18:21:41,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23412 states. [2021-07-09 18:21:41,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23412 to 19623. [2021-07-09 18:21:41,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19623 states, 19622 states have (on average 3.7180205891346447) internal successors, (72955), 19622 states have internal predecessors, (72955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:42,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19623 states to 19623 states and 72955 transitions. [2021-07-09 18:21:42,009 INFO L78 Accepts]: Start accepts. Automaton has 19623 states and 72955 transitions. Word has length 35 [2021-07-09 18:21:42,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:21:42,009 INFO L482 AbstractCegarLoop]: Abstraction has 19623 states and 72955 transitions. [2021-07-09 18:21:42,009 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) [2021-07-09 18:21:42,009 INFO L276 IsEmpty]: Start isEmpty. Operand 19623 states and 72955 transitions. [2021-07-09 18:21:42,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-07-09 18:21:42,039 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:21:42,039 INFO L508 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] [2021-07-09 18:21:42,255 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10349,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:21:42,255 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:21:42,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:21:42,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1730689920, now seen corresponding path program 44 times [2021-07-09 18:21:42,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:21:42,256 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096251926] [2021-07-09 18:21:42,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:21:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:21:42,282 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-09 18:21:42,282 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:21:42,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096251926] [2021-07-09 18:21:42,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096251926] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:21:42,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628149967] [2021-07-09 18:21:42,282 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 [2021-07-09 18:21:42,309 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 18:21:42,310 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:21:42,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-09 18:21:42,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:21:42,354 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-09 18:21:42,354 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628149967] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:21:42,354 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:21:42,354 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-07-09 18:21:42,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221154064] [2021-07-09 18:21:42,355 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-09 18:21:42,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:21:42,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-09 18:21:42,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-07-09 18:21:42,355 INFO L87 Difference]: Start difference. First operand 19623 states and 72955 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:42,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:21:42,576 INFO L93 Difference]: Finished difference Result 24857 states and 88380 transitions. [2021-07-09 18:21:42,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 18:21:42,577 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-07-09 18:21:42,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:21:42,643 INFO L225 Difference]: With dead ends: 24857 [2021-07-09 18:21:42,643 INFO L226 Difference]: Without dead ends: 24857 [2021-07-09 18:21:42,643 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 58.8ms TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2021-07-09 18:21:42,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24857 states. [2021-07-09 18:21:42,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24857 to 20199. [2021-07-09 18:21:43,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20199 states, 20198 states have (on average 3.685513417170017) internal successors, (74440), 20198 states have internal predecessors, (74440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:43,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20199 states to 20199 states and 74440 transitions. [2021-07-09 18:21:43,077 INFO L78 Accepts]: Start accepts. Automaton has 20199 states and 74440 transitions. Word has length 35 [2021-07-09 18:21:43,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:21:43,078 INFO L482 AbstractCegarLoop]: Abstraction has 20199 states and 74440 transitions. [2021-07-09 18:21:43,078 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:43,078 INFO L276 IsEmpty]: Start isEmpty. Operand 20199 states and 74440 transitions. [2021-07-09 18:21:43,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-07-09 18:21:43,250 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:21:43,250 INFO L508 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] [2021-07-09 18:21:43,461 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10350,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:21:43,461 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:21:43,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:21:43,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1660535036, now seen corresponding path program 45 times [2021-07-09 18:21:43,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:21:43,461 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263666062] [2021-07-09 18:21:43,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:21:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:21:43,576 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-09 18:21:43,576 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:21:43,576 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263666062] [2021-07-09 18:21:43,576 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263666062] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:21:43,576 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308379305] [2021-07-09 18:21:43,576 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 [2021-07-09 18:21:43,607 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-09 18:21:43,607 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:21:43,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-09 18:21:43,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:21:43,643 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-09 18:21:43,643 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308379305] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:21:43,643 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:21:43,643 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-07-09 18:21:43,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927130756] [2021-07-09 18:21:43,643 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-09 18:21:43,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:21:43,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-09 18:21:43,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-07-09 18:21:43,644 INFO L87 Difference]: Start difference. First operand 20199 states and 74440 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:43,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:21:43,856 INFO L93 Difference]: Finished difference Result 23811 states and 85228 transitions. [2021-07-09 18:21:43,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 18:21:43,857 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 [2021-07-09 18:21:43,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:21:44,012 INFO L225 Difference]: With dead ends: 23811 [2021-07-09 18:21:44,012 INFO L226 Difference]: Without dead ends: 23731 [2021-07-09 18:21:44,012 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 46.9ms TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-07-09 18:21:44,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23731 states. [2021-07-09 18:21:44,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23731 to 20741. [2021-07-09 18:21:44,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20741 states, 20740 states have (on average 3.660221793635487) internal successors, (75913), 20740 states have internal predecessors, (75913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:44,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20741 states to 20741 states and 75913 transitions. [2021-07-09 18:21:44,568 INFO L78 Accepts]: Start accepts. Automaton has 20741 states and 75913 transitions. Word has length 35 [2021-07-09 18:21:44,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:21:44,569 INFO L482 AbstractCegarLoop]: Abstraction has 20741 states and 75913 transitions. [2021-07-09 18:21:44,569 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) [2021-07-09 18:21:44,569 INFO L276 IsEmpty]: Start isEmpty. Operand 20741 states and 75913 transitions. [2021-07-09 18:21:44,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 18:21:44,678 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:21:44,678 INFO L508 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] [2021-07-09 18:21:44,894 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10351,45 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:21:44,895 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:21:44,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:21:44,895 INFO L82 PathProgramCache]: Analyzing trace with hash -525066968, now seen corresponding path program 46 times [2021-07-09 18:21:44,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:21:44,895 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499115335] [2021-07-09 18:21:44,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:21:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:21:44,938 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-09 18:21:44,939 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:21:44,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499115335] [2021-07-09 18:21:44,939 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499115335] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:21:44,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092003351] [2021-07-09 18:21:44,939 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 [2021-07-09 18:21:44,966 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 18:21:44,967 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:21:44,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-09 18:21:44,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:21:45,021 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-09 18:21:45,022 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092003351] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:21:45,022 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:21:45,022 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-09 18:21:45,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368778184] [2021-07-09 18:21:45,022 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-09 18:21:45,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:21:45,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-09 18:21:45,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-07-09 18:21:45,022 INFO L87 Difference]: Start difference. First operand 20741 states and 75913 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:46,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:21:46,070 INFO L93 Difference]: Finished difference Result 63883 states and 227418 transitions. [2021-07-09 18:21:46,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-09 18:21:46,071 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-07-09 18:21:46,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:21:46,548 INFO L225 Difference]: With dead ends: 63883 [2021-07-09 18:21:46,549 INFO L226 Difference]: Without dead ends: 61708 [2021-07-09 18:21:46,549 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 697 ImplicationChecksByTransitivity, 388.3ms TimeCoverageRelationStatistics Valid=605, Invalid=1747, Unknown=0, NotChecked=0, Total=2352 [2021-07-09 18:21:46,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61708 states. [2021-07-09 18:21:47,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61708 to 37262. [2021-07-09 18:21:48,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37262 states, 37261 states have (on average 3.697377955503073) internal successors, (137768), 37261 states have internal predecessors, (137768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:48,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37262 states to 37262 states and 137768 transitions. [2021-07-09 18:21:48,448 INFO L78 Accepts]: Start accepts. Automaton has 37262 states and 137768 transitions. Word has length 36 [2021-07-09 18:21:48,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:21:48,448 INFO L482 AbstractCegarLoop]: Abstraction has 37262 states and 137768 transitions. [2021-07-09 18:21:48,448 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:48,448 INFO L276 IsEmpty]: Start isEmpty. Operand 37262 states and 137768 transitions. [2021-07-09 18:21:48,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 18:21:48,507 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:21:48,507 INFO L508 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] [2021-07-09 18:21:48,709 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10352 [2021-07-09 18:21:48,710 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:21:48,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:21:48,710 INFO L82 PathProgramCache]: Analyzing trace with hash 320234802, now seen corresponding path program 47 times [2021-07-09 18:21:48,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:21:48,710 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518066993] [2021-07-09 18:21:48,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:21:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:21:48,731 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 18:21:48,731 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:21:48,731 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518066993] [2021-07-09 18:21:48,731 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518066993] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:21:48,731 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139459527] [2021-07-09 18:21:48,731 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 [2021-07-09 18:21:48,763 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-09 18:21:48,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:21:48,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-09 18:21:48,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:21:48,816 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 18:21:48,816 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139459527] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:21:48,816 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:21:48,816 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-07-09 18:21:48,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110167176] [2021-07-09 18:21:48,816 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-09 18:21:48,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:21:48,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-09 18:21:48,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-07-09 18:21:48,817 INFO L87 Difference]: Start difference. First operand 37262 states and 137768 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:50,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:21:50,061 INFO L93 Difference]: Finished difference Result 51360 states and 178973 transitions. [2021-07-09 18:21:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-09 18:21:50,061 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-07-09 18:21:50,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:21:50,254 INFO L225 Difference]: With dead ends: 51360 [2021-07-09 18:21:50,255 INFO L226 Difference]: Without dead ends: 51245 [2021-07-09 18:21:50,255 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1652 ImplicationChecksByTransitivity, 614.7ms TimeCoverageRelationStatistics Valid=900, Invalid=3260, Unknown=0, NotChecked=0, Total=4160 [2021-07-09 18:21:50,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51245 states. [2021-07-09 18:21:51,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51245 to 29984. [2021-07-09 18:21:51,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29984 states, 29983 states have (on average 3.6484341126638427) internal successors, (109391), 29983 states have internal predecessors, (109391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:51,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29984 states to 29984 states and 109391 transitions. [2021-07-09 18:21:51,321 INFO L78 Accepts]: Start accepts. Automaton has 29984 states and 109391 transitions. Word has length 36 [2021-07-09 18:21:51,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:21:51,321 INFO L482 AbstractCegarLoop]: Abstraction has 29984 states and 109391 transitions. [2021-07-09 18:21:51,321 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:51,321 INFO L276 IsEmpty]: Start isEmpty. Operand 29984 states and 109391 transitions. [2021-07-09 18:21:51,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-07-09 18:21:51,374 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:21:51,374 INFO L508 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] [2021-07-09 18:21:51,580 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10353 [2021-07-09 18:21:51,581 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:21:51,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:21:51,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1611245554, now seen corresponding path program 48 times [2021-07-09 18:21:51,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:21:51,581 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17364630] [2021-07-09 18:21:51,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:21:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:21:51,598 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-09 18:21:51,598 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:21:51,599 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17364630] [2021-07-09 18:21:51,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17364630] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:21:51,599 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549779769] [2021-07-09 18:21:51,599 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-07-09 18:21:51,633 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-09 18:21:51,633 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:21:51,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-09 18:21:51,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:21:51,689 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-09 18:21:51,689 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549779769] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:21:51,689 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:21:51,689 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-07-09 18:21:51,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974108183] [2021-07-09 18:21:51,689 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-09 18:21:51,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:21:51,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-09 18:21:51,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-09 18:21:51,690 INFO L87 Difference]: Start difference. First operand 29984 states and 109391 transitions. Second operand has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:53,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:21:53,100 INFO L93 Difference]: Finished difference Result 88037 states and 316542 transitions. [2021-07-09 18:21:53,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 18:21:53,101 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-07-09 18:21:53,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:21:53,515 INFO L225 Difference]: With dead ends: 88037 [2021-07-09 18:21:53,515 INFO L226 Difference]: Without dead ends: 87306 [2021-07-09 18:21:53,515 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 415.7ms TimeCoverageRelationStatistics Valid=407, Invalid=999, Unknown=0, NotChecked=0, Total=1406 [2021-07-09 18:21:53,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87306 states. [2021-07-09 18:21:55,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87306 to 51414. [2021-07-09 18:21:55,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51414 states, 51413 states have (on average 3.710754089432634) internal successors, (190781), 51413 states have internal predecessors, (190781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:56,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51414 states to 51414 states and 190781 transitions. [2021-07-09 18:21:56,115 INFO L78 Accepts]: Start accepts. Automaton has 51414 states and 190781 transitions. Word has length 37 [2021-07-09 18:21:56,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:21:56,125 INFO L482 AbstractCegarLoop]: Abstraction has 51414 states and 190781 transitions. [2021-07-09 18:21:56,125 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:56,125 INFO L276 IsEmpty]: Start isEmpty. Operand 51414 states and 190781 transitions. [2021-07-09 18:21:56,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-07-09 18:21:56,247 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:21:56,247 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 18:21:56,462 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10354 [2021-07-09 18:21:56,462 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:21:56,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:21:56,463 INFO L82 PathProgramCache]: Analyzing trace with hash -788362708, now seen corresponding path program 49 times [2021-07-09 18:21:56,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:21:56,463 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290650927] [2021-07-09 18:21:56,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:21:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:21:56,498 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-09 18:21:56,498 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:21:56,499 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290650927] [2021-07-09 18:21:56,499 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290650927] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:21:56,499 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743410496] [2021-07-09 18:21:56,499 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 [2021-07-09 18:21:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:21:56,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-09 18:21:56,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:21:56,591 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-09 18:21:56,591 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743410496] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:21:56,591 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:21:56,591 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-07-09 18:21:56,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557106215] [2021-07-09 18:21:56,591 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-09 18:21:56,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:21:56,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-09 18:21:56,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-07-09 18:21:56,592 INFO L87 Difference]: Start difference. First operand 51414 states and 190781 transitions. Second operand has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:21:57,568 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 10 [2021-07-09 18:21:58,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:21:58,220 INFO L93 Difference]: Finished difference Result 86651 states and 306862 transitions. [2021-07-09 18:21:58,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-09 18:21:58,220 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-07-09 18:21:58,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:21:58,856 INFO L225 Difference]: With dead ends: 86651 [2021-07-09 18:21:58,856 INFO L226 Difference]: Without dead ends: 86380 [2021-07-09 18:21:58,857 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1005 ImplicationChecksByTransitivity, 725.6ms TimeCoverageRelationStatistics Valid=759, Invalid=2321, Unknown=0, NotChecked=0, Total=3080 [2021-07-09 18:21:58,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86380 states. [2021-07-09 18:22:00,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86380 to 59748. [2021-07-09 18:22:00,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59748 states, 59747 states have (on average 3.7077175423033792) internal successors, (221525), 59747 states have internal predecessors, (221525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:22:00,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59748 states to 59748 states and 221525 transitions. [2021-07-09 18:22:00,939 INFO L78 Accepts]: Start accepts. Automaton has 59748 states and 221525 transitions. Word has length 38 [2021-07-09 18:22:00,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:22:00,939 INFO L482 AbstractCegarLoop]: Abstraction has 59748 states and 221525 transitions. [2021-07-09 18:22:00,939 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:22:00,940 INFO L276 IsEmpty]: Start isEmpty. Operand 59748 states and 221525 transitions. [2021-07-09 18:22:01,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-07-09 18:22:01,043 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:22:01,043 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 18:22:01,258 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10355 [2021-07-09 18:22:01,258 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:22:01,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:22:01,259 INFO L82 PathProgramCache]: Analyzing trace with hash 196735476, now seen corresponding path program 50 times [2021-07-09 18:22:01,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:22:01,259 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791519198] [2021-07-09 18:22:01,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:22:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:22:01,282 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-09 18:22:01,282 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:22:01,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791519198] [2021-07-09 18:22:01,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791519198] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:22:01,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136967199] [2021-07-09 18:22:01,282 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 [2021-07-09 18:22:01,313 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 18:22:01,313 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:22:01,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-09 18:22:01,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:22:01,394 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-09 18:22:01,394 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136967199] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:22:01,394 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 18:22:01,394 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2021-07-09 18:22:01,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161180036] [2021-07-09 18:22:01,394 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-09 18:22:01,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 18:22:01,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-09 18:22:01,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-07-09 18:22:01,395 INFO L87 Difference]: Start difference. First operand 59748 states and 221525 transitions. Second operand has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 12 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:22:02,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 18:22:02,984 INFO L93 Difference]: Finished difference Result 72805 states and 259035 transitions. [2021-07-09 18:22:02,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-09 18:22:02,985 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 12 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-07-09 18:22:02,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 18:22:03,584 INFO L225 Difference]: With dead ends: 72805 [2021-07-09 18:22:03,585 INFO L226 Difference]: Without dead ends: 72671 [2021-07-09 18:22:03,585 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 892 ImplicationChecksByTransitivity, 447.1ms TimeCoverageRelationStatistics Valid=750, Invalid=2220, Unknown=0, NotChecked=0, Total=2970 [2021-07-09 18:22:03,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72671 states. [2021-07-09 18:22:04,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72671 to 55854. [2021-07-09 18:22:05,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55854 states, 55853 states have (on average 3.6992999480779902) internal successors, (206617), 55853 states have internal predecessors, (206617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:22:05,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55854 states to 55854 states and 206617 transitions. [2021-07-09 18:22:05,323 INFO L78 Accepts]: Start accepts. Automaton has 55854 states and 206617 transitions. Word has length 38 [2021-07-09 18:22:05,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 18:22:05,323 INFO L482 AbstractCegarLoop]: Abstraction has 55854 states and 206617 transitions. [2021-07-09 18:22:05,323 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 12 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 18:22:05,323 INFO L276 IsEmpty]: Start isEmpty. Operand 55854 states and 206617 transitions. [2021-07-09 18:22:05,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-09 18:22:05,431 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 18:22:05,431 INFO L508 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] [2021-07-09 18:22:05,648 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10356 [2021-07-09 18:22:05,648 INFO L430 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 18:22:05,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 18:22:05,648 INFO L82 PathProgramCache]: Analyzing trace with hash 672084132, now seen corresponding path program 51 times [2021-07-09 18:22:05,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 18:22:05,649 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797271532] [2021-07-09 18:22:05,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 18:22:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 18:22:07,015 WARN L205 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-07-09 18:22:07,456 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 45 [2021-07-09 18:22:17,821 WARN L205 SmtUtils]: Spent 10.36 s on a formula simplification. DAG size of input: 245 DAG size of output: 296 [2021-07-09 18:22:18,320 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 41 [2021-07-09 18:22:26,767 WARN L205 SmtUtils]: Spent 8.45 s on a formula simplification. DAG size of input: 253 DAG size of output: 299 [2021-07-09 18:22:26,913 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 299 [2021-07-09 18:22:27,488 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 46 [2021-07-09 18:22:33,075 WARN L205 SmtUtils]: Spent 5.59 s on a formula simplification. DAG size of input: 258 DAG size of output: 222 [2021-07-09 18:22:33,186 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 221 [2021-07-09 18:22:33,584 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 46 [2021-07-09 18:22:38,551 WARN L205 SmtUtils]: Spent 4.96 s on a formula simplification. DAG size of input: 251 DAG size of output: 217 [2021-07-09 18:22:38,656 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 216 [2021-07-09 18:22:39,016 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 40 [2021-07-09 18:22:44,629 WARN L205 SmtUtils]: Spent 5.61 s on a formula simplification. DAG size of input: 233 DAG size of output: 205 [2021-07-09 18:22:45,073 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 42 [2021-07-09 18:22:50,810 WARN L205 SmtUtils]: Spent 5.73 s on a formula simplification. DAG size of input: 232 DAG size of output: 200 [2021-07-09 18:22:51,224 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 42 [2021-07-09 18:22:56,054 WARN L205 SmtUtils]: Spent 4.83 s on a formula simplification. DAG size of input: 228 DAG size of output: 193 [2021-07-09 18:22:56,432 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 38 [2021-07-09 18:22:58,079 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 174 DAG size of output: 122 [2021-07-09 18:22:58,255 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 35 [2021-07-09 18:22:59,777 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 171 DAG size of output: 119 [2021-07-09 18:22:59,940 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 32 [2021-07-09 18:23:00,389 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 49 [2021-07-09 18:23:00,579 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 24 [2021-07-09 18:23:00,726 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 22 [2021-07-09 18:23:00,770 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 18:23:00,771 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 18:23:00,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797271532] [2021-07-09 18:23:00,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797271532] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 18:23:00,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921822030] [2021-07-09 18:23:00,771 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:23:00,806 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-09 18:23:00,807 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 18:23:00,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-09 18:23:00,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 18:23:04,785 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification that was a NOOP. DAG size: 157 [2021-07-09 18:23:09,003 WARN L205 SmtUtils]: Spent 3.11 s on a formula simplification that was a NOOP. DAG size: 856 [2021-07-09 18:23:11,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:11,216 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:11,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:11,274 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:11,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:11,335 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:11,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:11,389 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:11,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:11,461 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:11,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:11,517 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:11,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:11,571 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:11,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:11,675 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:11,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:11,733 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:11,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:11,791 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:11,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:11,851 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:11,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:11,914 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:11,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:11,977 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:12,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:12,041 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:12,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:12,106 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:12,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:12,173 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:12,238 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 [2021-07-09 18:23:12,239 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:12,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:12,304 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:12,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:12,364 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:12,425 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 [2021-07-09 18:23:12,425 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:12,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:12,496 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:12,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:12,567 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:12,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:12,636 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:12,705 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 [2021-07-09 18:23:12,706 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:12,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:12,779 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:12,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:12,853 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:12,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:12,928 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:12,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:12,999 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:13,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:13,075 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:13,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:13,149 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:13,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:13,228 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:13,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:13,307 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:13,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:13,385 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:13,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:13,461 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:13,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:13,593 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:13,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:13,673 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:13,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:13,751 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:13,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:13,829 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:13,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:13,907 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:13,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:13,992 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:14,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:14,075 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:14,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:14,157 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:14,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:14,238 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:14,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:14,320 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:14,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:14,434 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:14,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:14,523 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:14,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:14,611 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:14,697 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 [2021-07-09 18:23:14,698 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:14,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:14,783 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:14,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:14,872 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:14,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:14,966 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:15,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:15,073 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:15,165 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 [2021-07-09 18:23:15,166 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:15,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:15,260 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:15,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:15,355 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:15,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:15,450 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:15,542 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 [2021-07-09 18:23:15,543 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:15,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:15,639 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:15,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:15,734 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:15,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:15,828 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:15,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:15,922 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:16,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:16,019 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:16,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:16,114 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:16,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-09 18:23:16,210 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:19,629 WARN L205 SmtUtils]: Spent 3.42 s on a formula simplification that was a NOOP. DAG size: 736 [2021-07-09 18:23:19,629 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:23:19,741 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. [2021-07-09 18:23:19,741 INFO L247 ElimStorePlain]: Needed 65 recursive calls to eliminate 65 variables, input treesize:5793, output treesize:5729 [2021-07-09 18:23:24,076 WARN L205 SmtUtils]: Spent 3.63 s on a formula simplification that was a NOOP. DAG size: 864 [2021-07-09 18:23:25,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:25,316 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 36 treesize of output 38 [2021-07-09 18:23:25,317 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:25,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:25,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:23:25,426 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:25,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:25,537 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 [2021-07-09 18:23:25,538 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:25,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:25,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:25,670 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:25,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:25,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:23:25,785 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:25,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:25,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:25,901 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:26,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:26,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:26,018 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:26,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:26,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:26,135 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:26,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:26,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:26,248 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:26,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:26,361 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 36 treesize of output 38 [2021-07-09 18:23:26,362 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:26,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:26,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:26,478 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:26,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:26,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:23:26,595 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:26,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:26,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:23:26,707 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:26,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:26,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:26,827 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:26,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:26,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:23:26,940 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:27,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:27,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:27,055 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:27,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:27,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:23:27,168 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:27,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:27,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:27,286 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:27,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:27,401 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 [2021-07-09 18:23:27,402 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:27,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:27,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:27,523 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:27,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:27,697 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 36 treesize of output 38 [2021-07-09 18:23:27,698 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:27,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:27,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:27,817 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:27,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:27,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:27,935 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:28,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:28,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:28,060 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:28,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:28,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:23:28,185 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:28,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:28,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:28,326 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:28,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:28,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:28,460 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:28,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:28,589 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 36 treesize of output 38 [2021-07-09 18:23:28,590 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:28,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:28,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:28,716 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:28,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:28,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:23:28,842 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:28,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:28,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:28,966 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:29,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:29,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:29,095 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:29,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:29,221 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 36 treesize of output 38 [2021-07-09 18:23:29,222 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:29,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:29,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:29,349 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:29,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:29,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:29,478 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:29,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:29,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:29,612 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:29,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:29,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:29,746 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:29,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:29,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:29,876 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:29,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:30,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:23:30,011 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:30,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:30,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:23:30,147 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:30,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:30,286 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 36 treesize of output 38 [2021-07-09 18:23:30,287 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:30,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:30,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:23:30,426 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:30,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:30,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:23:30,561 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:30,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:30,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:23:30,696 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:30,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:30,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:23:30,831 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:30,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:30,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:23:30,967 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:31,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:31,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:23:31,103 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:31,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:31,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-07-09 18:23:31,238 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:31,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:31,377 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 36 treesize of output 38 [2021-07-09 18:23:31,378 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:31,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:31,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:31,536 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:31,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:31,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:31,676 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:31,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:31,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:31,821 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:31,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:31,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:23:31,958 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:32,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:32,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:32,100 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:32,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:32,238 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 [2021-07-09 18:23:32,239 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:32,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:32,378 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 36 treesize of output 38 [2021-07-09 18:23:32,379 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:32,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:32,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:32,521 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:32,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:32,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:23:32,664 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:32,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:32,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:32,805 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:32,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:32,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select 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 [2021-07-09 18:23:32,951 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:33,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:33,096 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 36 treesize of output 38 [2021-07-09 18:23:33,097 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:33,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:33,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-07-09 18:23:33,248 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:33,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:33,396 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 36 treesize of output 38 [2021-07-09 18:23:33,398 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:33,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 18:23:33,545 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 36 treesize of output 38 [2021-07-09 18:23:33,546 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:37,326 WARN L205 SmtUtils]: Spent 3.78 s on a formula simplification that was a NOOP. DAG size: 744 [2021-07-09 18:23:37,326 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:23:37,444 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. [2021-07-09 18:23:37,445 INFO L247 ElimStorePlain]: Needed 65 recursive calls to eliminate 65 variables, input treesize:6881, output treesize:6817 [2021-07-09 18:23:37,777 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 872 DAG size of output: 872 [2021-07-09 18:23:42,563 WARN L205 SmtUtils]: Spent 4.18 s on a formula simplification that was a NOOP. DAG size: 872 [2021-07-09 18:23:48,254 WARN L205 SmtUtils]: Spent 4.50 s on a formula simplification that was a NOOP. DAG size: 873 [2021-07-09 18:23:49,958 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_880, v_prenex_883, v_prenex_961, v_prenex_841, v_prenex_886, v_prenex_910, v_prenex_877, v_prenex_955, v_prenex_835, v_prenex_913, v_prenex_958, v_prenex_838, v_prenex_916, v_prenex_919, v_prenex_790, v_prenex_793, v_prenex_871, v_prenex_796, v_prenex_874, v_prenex_952, v_prenex_799, v_prenex_832, v_prenex_943, v_prenex_823, v_prenex_868, v_prenex_901, v_prenex_946, v_prenex_826, v_prenex_904, v_prenex_949, v_prenex_829, v_prenex_907, v_prenex_781, v_prenex_784, v_prenex_862, v_prenex_940, v_prenex_820, v_prenex_787, v_prenex_865, v_prenex_811, v_prenex_778, v_prenex_856, v_prenex_934, v_prenex_814, v_prenex_859, v_prenex_937, v_prenex_817, v_C_67, v_prenex_892, v_prenex_850, v_prenex_895, v_prenex_775, v_prenex_853, v_prenex_898, v_prenex_931, v_prenex_844, v_prenex_889, v_prenex_922, v_prenex_802, v_prenex_847, v_prenex_925, v_prenex_805, v_prenex_928, v_prenex_808], 4=[v_prenex_881, v_prenex_882, v_prenex_884, v_prenex_885, v_prenex_920, v_prenex_887, v_prenex_911, v_prenex_878, v_prenex_912, v_prenex_879, v_prenex_914, v_prenex_915, v_prenex_917, v_prenex_918, v_prenex_870, v_prenex_872, v_prenex_873, v_prenex_875, v_prenex_876, v_prenex_866, v_prenex_900, v_prenex_867, v_prenex_869, v_prenex_902, v_prenex_903, v_prenex_905, v_prenex_906, v_prenex_908, v_prenex_909, v_prenex_860, v_prenex_861, v_prenex_863, v_prenex_864, v_prenex_855, v_prenex_857, v_prenex_858, v_prenex_851, v_prenex_852, v_prenex_854, v_prenex_845, v_prenex_846, v_prenex_848, v_prenex_849, v_prenex_960, v_prenex_840, v_prenex_962, v_prenex_963, v_prenex_842, v_prenex_843, v_prenex_954, v_prenex_833, v_prenex_834, v_prenex_956, v_prenex_836, v_prenex_957, v_prenex_837, v_prenex_959, v_prenex_839, v_prenex_791, v_prenex_792, v_prenex_794, v_prenex_795, v_prenex_950, v_prenex_830, v_prenex_951, v_prenex_797, v_prenex_831, v_prenex_798, v_prenex_953, v_prenex_822, v_prenex_789, v_prenex_944, v_prenex_945, v_prenex_824, v_prenex_825, v_prenex_947, v_prenex_827, v_prenex_948, v_prenex_828, v_prenex_780, v_prenex_782, v_prenex_783, v_prenex_785, v_prenex_786, v_prenex_941, v_prenex_942, v_prenex_821, v_prenex_788, v_prenex_899, v_prenex_932, v_prenex_933, v_prenex_812, v_prenex_779, v_prenex_813, v_prenex_935, v_prenex_815, v_prenex_936, v_prenex_816, v_prenex_938, v_prenex_939, v_prenex_818, v_prenex_819, v_prenex_890, v_prenex_891, v_prenex_893, v_prenex_894, v_prenex_896, v_prenex_776, v_prenex_897, v_prenex_930, v_prenex_777, v_prenex_810, v_prenex_921, v_prenex_800, v_prenex_888, v_prenex_801, A, v_prenex_923, B, v_prenex_803, v_prenex_924, v_prenex_804, v_prenex_926, v_prenex_806, v_prenex_927, v_prenex_807, v_prenex_929, v_prenex_809]} [2021-07-09 18:23:50,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-07-09 18:23:50,120 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 18:23:58,570 WARN L205 SmtUtils]: Spent 8.45 s on a formula simplification that was a NOOP. DAG size: 2383 [2021-07-09 18:23:58,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:23:58,731 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 [2021-07-09 18:23:58,732 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 18:24:07,040 WARN L205 SmtUtils]: Spent 8.31 s on a formula simplification that was a NOOP. DAG size: 2379 [2021-07-09 18:24:07,042 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:24:07,205 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 [2021-07-09 18:24:07,206 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 18:24:15,647 WARN L205 SmtUtils]: Spent 8.44 s on a formula simplification that was a NOOP. DAG size: 2375 [2021-07-09 18:24:15,648 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:24:15,801 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 [2021-07-09 18:24:15,803 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 18:24:24,132 WARN L205 SmtUtils]: Spent 8.33 s on a formula simplification that was a NOOP. DAG size: 2371 [2021-07-09 18:24:24,134 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:24:24,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-07-09 18:24:24,300 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 18:24:32,793 WARN L205 SmtUtils]: Spent 8.49 s on a formula simplification that was a NOOP. DAG size: 2367 [2021-07-09 18:24:32,794 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:24:32,960 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 [2021-07-09 18:24:32,961 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 18:24:41,269 WARN L205 SmtUtils]: Spent 8.31 s on a formula simplification that was a NOOP. DAG size: 2363 [2021-07-09 18:24:41,270 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:24:41,443 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 [2021-07-09 18:24:41,444 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 18:24:49,717 WARN L205 SmtUtils]: Spent 8.27 s on a formula simplification that was a NOOP. DAG size: 2359 [2021-07-09 18:24:49,718 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:24:49,888 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 [2021-07-09 18:24:49,889 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 18:24:58,085 WARN L205 SmtUtils]: Spent 8.19 s on a formula simplification that was a NOOP. DAG size: 2355 [2021-07-09 18:24:58,086 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:24:58,258 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 [2021-07-09 18:24:58,260 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 18:25:06,543 WARN L205 SmtUtils]: Spent 8.28 s on a formula simplification that was a NOOP. DAG size: 2351 [2021-07-09 18:25:06,597 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:25:06,759 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 [2021-07-09 18:25:06,760 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 18:25:14,777 WARN L205 SmtUtils]: Spent 8.02 s on a formula simplification that was a NOOP. DAG size: 2347 [2021-07-09 18:25:14,778 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:25:14,933 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 [2021-07-09 18:25:14,934 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 18:25:23,387 WARN L205 SmtUtils]: Spent 8.45 s on a formula simplification that was a NOOP. DAG size: 2343 [2021-07-09 18:25:23,388 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:25:23,548 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 [2021-07-09 18:25:23,549 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 18:25:31,542 WARN L205 SmtUtils]: Spent 7.99 s on a formula simplification that was a NOOP. DAG size: 2339 [2021-07-09 18:25:31,543 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:25:31,706 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 [2021-07-09 18:25:31,707 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-09 18:25:40,010 WARN L205 SmtUtils]: Spent 8.30 s on a formula simplification that was a NOOP. DAG size: 2335 [2021-07-09 18:25:40,011 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:25:40,176 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 [2021-07-09 18:25:40,177 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-09 18:25:48,353 WARN L205 SmtUtils]: Spent 8.17 s on a formula simplification that was a NOOP. DAG size: 2331 [2021-07-09 18:25:48,354 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:25:48,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-07-09 18:25:48,523 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-09 18:25:56,808 WARN L205 SmtUtils]: Spent 8.28 s on a formula simplification that was a NOOP. DAG size: 2327 [2021-07-09 18:25:56,809 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:25:56,982 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 [2021-07-09 18:25:56,983 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-09 18:26:05,126 WARN L205 SmtUtils]: Spent 8.14 s on a formula simplification that was a NOOP. DAG size: 2323 [2021-07-09 18:26:05,127 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 18:26:05,304 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 [2021-07-09 18:26:05,305 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-09 18:26:12,398 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: ASSERTION VIOLATION File: ../src/math/lp/int_solver.cpp Line: 562 Failed to verify: get_freedom_interval_for_column(j, inf_l, l, inf_u, u, m) || settings().get_cancel_flag() Z3 4.8.11.0 Please file an issue with this message and more detail about how you encountered it at https://github.com/Z3Prover/z3/issues/new [2021-07-09 18:26:12,399 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-07-09 18:26:12,599 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10357,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 18:26:12,600 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: ASSERTION VIOLATION File: ../src/math/lp/int_solver.cpp Line: 562 Failed to verify: get_freedom_interval_for_column(j, inf_l, l, inf_u, u, m) || settings().get_cancel_flag() Z3 4.8.11.0 Please file an issue with this message and more detail about how you encountered it at https://github.com/Z3Prover/z3/issues/new at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:238) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:307) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:100) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:597) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 56 more [2021-07-09 18:26:12,603 INFO L168 Benchmark]: Toolchain (without parser) took 843921.64 ms. Allocated memory was 198.2 MB in the beginning and 7.5 GB in the end (delta: 7.3 GB). Free memory was 178.0 MB in the beginning and 5.1 GB in the end (delta: -4.9 GB). Peak memory consumption was 6.5 GB. Max. memory is 8.0 GB. [2021-07-09 18:26:12,604 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 198.2 MB. Free memory is still 179.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-09 18:26:12,604 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.85 ms. Allocated memory is still 198.2 MB. Free memory was 178.0 MB in the beginning and 176.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-09 18:26:12,604 INFO L168 Benchmark]: Boogie Preprocessor took 14.93 ms. Allocated memory is still 198.2 MB. Free memory was 176.6 MB in the beginning and 175.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-09 18:26:12,604 INFO L168 Benchmark]: RCFGBuilder took 260.81 ms. Allocated memory is still 198.2 MB. Free memory was 175.5 MB in the beginning and 160.5 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-09 18:26:12,604 INFO L168 Benchmark]: TraceAbstraction took 843621.88 ms. Allocated memory was 198.2 MB in the beginning and 7.5 GB in the end (delta: 7.3 GB). Free memory was 160.1 MB in the beginning and 5.1 GB in the end (delta: -4.9 GB). Peak memory consumption was 6.5 GB. Max. memory is 8.0 GB. [2021-07-09 18:26:12,604 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 198.2 MB. Free memory is still 179.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 19.85 ms. Allocated memory is still 198.2 MB. Free memory was 178.0 MB in the beginning and 176.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.93 ms. Allocated memory is still 198.2 MB. Free memory was 176.6 MB in the beginning and 175.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 260.81 ms. Allocated memory is still 198.2 MB. Free memory was 175.5 MB in the beginning and 160.5 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 843621.88 ms. Allocated memory was 198.2 MB in the beginning and 7.5 GB in the end (delta: 7.3 GB). Free memory was 160.1 MB in the beginning and 5.1 GB in the end (delta: -4.9 GB). Peak memory consumption was 6.5 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: ASSERTION VIOLATION File: ../src/math/lp/int_solver.cpp Line: 562 Failed to verify: get_freedom_interval_for_column(j, inf_l, l, inf_u, u, m) || settings().get_cancel_flag() Z3 4.8.11.0 Please file an issue with this message and more detail about how you encountered it at https://github.com/Z3Prover/z3/issues/new de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: ASSERTION VIOLATION File: ../src/math/lp/int_solver.cpp Line: 562 Failed to verify: get_freedom_interval_for_column(j, inf_l, l, inf_u, u, m) || settings().get_cancel_flag() Z3 4.8.11.0 Please file an issue with this message and more detail about how you encountered it at https://github.com/Z3Prover/z3/issues/new : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...