/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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 22:59:04,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 22:59:04,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 22:59:04,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 22:59:04,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 22:59:04,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 22:59:04,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 22:59:04,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 22:59:04,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 22:59:04,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 22:59:04,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 22:59:04,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 22:59:04,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 22:59:04,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 22:59:04,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 22:59:04,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 22:59:04,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 22:59:04,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 22:59:04,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 22:59:04,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 22:59:04,757 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf [2021-07-14 22:59:04,794 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 22:59:04,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 22:59:04,794 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 22:59:04,794 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 22:59:04,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 22:59:04,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 22:59:04,795 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 22:59:04,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 22:59:04,795 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 22:59:04,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 22:59:04,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 22:59:04,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 22:59:04,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 22:59:04,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 22:59:04,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 22:59:04,796 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 22:59:04,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 22:59:04,796 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 22:59:04,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 22:59:04,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 22:59:04,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 22:59:04,797 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 22:59:04,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 22:59:04,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 22:59:04,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 22:59:04,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 22:59:04,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 22:59:04,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 22:59:04,797 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 22:59:04,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 22:59:04,797 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 22:59:04,798 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 22:59:04,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 22:59:04,798 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 22:59:04,798 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 22:59:04,798 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 22:59:05,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 22:59:05,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 22:59:05,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 22:59:05,072 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 22:59:05,073 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 22:59:05,074 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl [2021-07-14 22:59:05,074 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl' [2021-07-14 22:59:05,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 22:59:05,093 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 22:59:05,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 22:59:05,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 22:59:05,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 22:59:05,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:59:05" (1/1) ... [2021-07-14 22:59:05,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:59:05" (1/1) ... [2021-07-14 22:59:05,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 22:59:05,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 22:59:05,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 22:59:05,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 22:59:05,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:59:05" (1/1) ... [2021-07-14 22:59:05,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:59:05" (1/1) ... [2021-07-14 22:59:05,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:59:05" (1/1) ... [2021-07-14 22:59:05,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:59:05" (1/1) ... [2021-07-14 22:59:05,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:59:05" (1/1) ... [2021-07-14 22:59:05,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:59:05" (1/1) ... [2021-07-14 22:59:05,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:59:05" (1/1) ... [2021-07-14 22:59:05,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 22:59:05,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 22:59:05,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 22:59:05,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 22:59:05,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:59:05" (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 [2021-07-14 22:59:05,206 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 22:59:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 22:59:05,206 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 22:59:05,206 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 22:59:05,207 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 22:59:05,207 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 22:59:05,207 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 22:59:05,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 22:59:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 22:59:05,208 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 22:59:05,208 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 22:59:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 22:59:05,209 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 22:59:05,417 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 22:59:05,417 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 22:59:05,419 INFO L202 PluginConnector]: Adding new model max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:59:05 BoogieIcfgContainer [2021-07-14 22:59:05,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 22:59:05,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 22:59:05,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 22:59:05,422 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 22:59:05,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:59:05" (1/2) ... [2021-07-14 22:59:05,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a2bfabc and model type max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 10:59:05, skipping insertion in model container [2021-07-14 22:59:05,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:59:05" (2/2) ... [2021-07-14 22:59:05,424 INFO L111 eAbstractionObserver]: Analyzing ICFG max-array.wvr.bpl [2021-07-14 22:59:05,427 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 22:59:05,427 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 22:59:05,428 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 22:59:05,428 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 22:59:05,458 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 22:59:05,473 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 22:59:05,518 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 22:59:05,519 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 22:59:05,519 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 22:59:05,519 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 22:59:05,519 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 22:59:05,519 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 22:59:05,519 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 22:59:05,519 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 22:59:05,582 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:59:05,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:59:05,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1017902509, now seen corresponding path program 1 times [2021-07-14 22:59:05,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:59:05,591 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592722335] [2021-07-14 22:59:05,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:59:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:59:05,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:05,685 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:59:05,685 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592722335] [2021-07-14 22:59:05,686 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592722335] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:59:05,686 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 22:59:05,686 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 22:59:05,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812804718] [2021-07-14 22:59:05,691 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 22:59:05,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:59:05,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 22:59:05,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 22:59:05,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:05,706 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:59:05,707 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:59:05,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:05,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:05,730 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 22:59:05,730 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:59:05,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:59:05,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1973807157, now seen corresponding path program 1 times [2021-07-14 22:59:05,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:59:05,733 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787240205] [2021-07-14 22:59:05,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:59:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:59:05,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 22:59:05,804 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:59:05,804 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787240205] [2021-07-14 22:59:05,804 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787240205] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:59:05,804 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 22:59:05,804 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 22:59:05,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755122312] [2021-07-14 22:59:05,806 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 22:59:05,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:59:05,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 22:59:05,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-14 22:59:05,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:05,808 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:59:05,809 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:59:05,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:05,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:05,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:05,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:05,873 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 22:59:05,873 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:59:05,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:59:05,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1107994797, now seen corresponding path program 1 times [2021-07-14 22:59:05,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:59:05,874 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898957434] [2021-07-14 22:59:05,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:59:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:59:05,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 22:59:05,931 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:59:05,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898957434] [2021-07-14 22:59:05,931 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898957434] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:59:05,931 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 22:59:05,931 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 22:59:05,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174099420] [2021-07-14 22:59:05,932 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 22:59:05,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:59:05,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 22:59:05,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 22:59:05,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:05,932 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:59:05,932 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:59:05,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:05,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:05,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:05,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:05,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:05,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:05,965 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 22:59:05,965 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:59:05,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:59:05,966 INFO L82 PathProgramCache]: Analyzing trace with hash -556685327, now seen corresponding path program 1 times [2021-07-14 22:59:05,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:59:05,967 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643952862] [2021-07-14 22:59:05,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:59:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:59:06,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:06,303 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:59:06,303 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643952862] [2021-07-14 22:59:06,304 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643952862] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:06,304 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613443002] [2021-07-14 22:59:06,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-07-14 22:59:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:59:06,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 22:59:06,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:59:06,670 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 16 treesize of output 10 [2021-07-14 22:59:06,671 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:06,675 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 16 treesize of output 10 [2021-07-14 22:59:06,676 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:06,679 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 21 treesize of output 13 [2021-07-14 22:59:06,682 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:06,692 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:59:06,696 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 22:59:06,696 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:91, output treesize:15 [2021-07-14 22:59:06,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:06,733 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613443002] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:06,733 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:59:06,733 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-14 22:59:06,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407300799] [2021-07-14 22:59:06,734 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 22:59:06,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:59:06,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 22:59:06,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-07-14 22:59:06,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:06,736 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:59:06,736 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.75) internal successors, (33), 11 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:59:06,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:06,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:06,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:06,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:06,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:06,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:06,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:06,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:07,144 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:59:07,144 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:59:07,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:59:07,145 INFO L82 PathProgramCache]: Analyzing trace with hash 970737935, now seen corresponding path program 2 times [2021-07-14 22:59:07,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:59:07,145 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119503374] [2021-07-14 22:59:07,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:59:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:59:07,202 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:07,202 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:59:07,202 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119503374] [2021-07-14 22:59:07,202 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119503374] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:07,202 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211290268] [2021-07-14 22:59:07,202 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 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 [2021-07-14 22:59:07,235 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:59:07,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:59:07,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 22:59:07,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:59:07,351 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:07,352 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211290268] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:07,352 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:59:07,352 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-14 22:59:07,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453978022] [2021-07-14 22:59:07,353 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 22:59:07,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:59:07,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 22:59:07,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-07-14 22:59:07,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:07,355 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:59:07,355 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:59:07,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:07,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:07,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:07,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:07,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:07,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:07,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:07,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:07,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:07,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:59:07,716 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:59:07,717 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:59:07,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:59:07,717 INFO L82 PathProgramCache]: Analyzing trace with hash 811078099, now seen corresponding path program 1 times [2021-07-14 22:59:07,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:59:07,717 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979811766] [2021-07-14 22:59:07,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:59:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:59:07,749 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 22:59:07,750 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:59:07,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979811766] [2021-07-14 22:59:07,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979811766] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:07,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563672795] [2021-07-14 22:59:07,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-07-14 22:59:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:59:07,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 22:59:07,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:59:07,841 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 22:59:07,841 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563672795] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:07,841 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:59:07,841 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-14 22:59:07,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068460862] [2021-07-14 22:59:07,841 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 22:59:07,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:59:07,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 22:59:07,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-14 22:59:07,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:07,842 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:59:07,842 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 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) [2021-07-14 22:59:07,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:07,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:07,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:07,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:07,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:59:07,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:07,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:07,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:07,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:07,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:07,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:07,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:08,172 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:59:08,172 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:59:08,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:59:08,173 INFO L82 PathProgramCache]: Analyzing trace with hash -2084021933, now seen corresponding path program 3 times [2021-07-14 22:59:08,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:59:08,173 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166921194] [2021-07-14 22:59:08,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:59:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:59:08,217 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:08,217 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:59:08,217 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166921194] [2021-07-14 22:59:08,217 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166921194] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:08,217 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530419794] [2021-07-14 22:59:08,217 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 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 [2021-07-14 22:59:08,253 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 22:59:08,253 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:59:08,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 22:59:08,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:59:08,332 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:08,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530419794] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:08,333 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:59:08,333 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-14 22:59:08,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195341878] [2021-07-14 22:59:08,333 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 22:59:08,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:59:08,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 22:59:08,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-07-14 22:59:08,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:08,343 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:59:08,343 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:59:08,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:08,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:08,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:08,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:08,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:08,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:08,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:08,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:08,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:08,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:08,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:08,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:08,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:08,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:59:08,662 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:59:08,663 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:59:08,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:59:08,663 INFO L82 PathProgramCache]: Analyzing trace with hash 2079074801, now seen corresponding path program 4 times [2021-07-14 22:59:08,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:59:08,663 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252970837] [2021-07-14 22:59:08,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:59:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:59:09,099 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:09,100 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:59:09,100 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252970837] [2021-07-14 22:59:09,100 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252970837] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:09,100 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923921803] [2021-07-14 22:59:09,100 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:59:09,138 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:59:09,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:59:09,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-14 22:59:09,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:59:09,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 13 [2021-07-14 22:59:09,846 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:09,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 16 [2021-07-14 22:59:09,863 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:09,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,868 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,868 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 16 [2021-07-14 22:59:09,874 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:09,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,881 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,881 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 16 [2021-07-14 22:59:09,883 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:09,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2021-07-14 22:59:09,897 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:09,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 16 [2021-07-14 22:59:09,906 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:09,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 13 [2021-07-14 22:59:09,915 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:09,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2021-07-14 22:59:09,924 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:09,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2021-07-14 22:59:09,933 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:09,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2021-07-14 22:59:09,943 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:09,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,950 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,951 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 13 [2021-07-14 22:59:09,953 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:09,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2021-07-14 22:59:09,961 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:09,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2021-07-14 22:59:09,970 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:09,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,976 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,976 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2021-07-14 22:59:09,977 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:09,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:09,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:09,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-07-14 22:59:09,983 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:09,999 INFO L628 ElimStorePlain]: treesize reduction 13, result has 61.8 percent of original size [2021-07-14 22:59:10,001 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 22:59:10,001 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 2 variables, input treesize:637, output treesize:15 [2021-07-14 22:59:10,025 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:10,025 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923921803] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:10,025 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:59:10,026 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 18 [2021-07-14 22:59:10,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460769495] [2021-07-14 22:59:10,026 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 22:59:10,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:59:10,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 22:59:10,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2021-07-14 22:59:10,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:10,027 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:59:10,028 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 18 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:59:10,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:10,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:10,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:10,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:10,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:10,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:10,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:59:10,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:11,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:11,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:11,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:11,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:11,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:11,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:11,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:59:11,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:59:11,518 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:59:11,519 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:59:11,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:59:11,519 INFO L82 PathProgramCache]: Analyzing trace with hash -94483697, now seen corresponding path program 5 times [2021-07-14 22:59:11,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:59:11,519 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295107035] [2021-07-14 22:59:11,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:59:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:59:11,568 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:11,568 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:59:11,568 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295107035] [2021-07-14 22:59:11,568 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295107035] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:11,568 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267625183] [2021-07-14 22:59:11,568 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 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 [2021-07-14 22:59:11,597 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 22:59:11,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:59:11,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 22:59:11,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:59:11,703 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:11,704 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267625183] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:11,704 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:59:11,704 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-14 22:59:11,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008805337] [2021-07-14 22:59:11,705 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 22:59:11,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:59:11,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 22:59:11,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2021-07-14 22:59:11,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:11,705 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:59:11,706 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 16 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:59:11,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:11,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:11,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:11,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:11,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:11,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:11,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:59:11,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:59:11,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:11,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:11,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:11,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:11,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:11,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:11,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:11,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:59:11,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:59:11,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:59:12,176 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:59:12,177 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:59:12,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:59:12,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1919414965, now seen corresponding path program 2 times [2021-07-14 22:59:12,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:59:12,177 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183936364] [2021-07-14 22:59:12,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:59:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:59:12,512 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:12,513 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:59:12,513 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183936364] [2021-07-14 22:59:12,513 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183936364] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:12,513 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83155653] [2021-07-14 22:59:12,513 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 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 [2021-07-14 22:59:12,543 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:59:12,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:59:12,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-14 22:59:12,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:59:12,948 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-07-14 22:59:12,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 16 [2021-07-14 22:59:12,949 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:12,957 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-07-14 22:59:12,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 19 [2021-07-14 22:59:12,958 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:12,966 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-07-14 22:59:12,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 19 [2021-07-14 22:59:12,967 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:12,976 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-07-14 22:59:12,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 16 [2021-07-14 22:59:12,977 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:12,993 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-07-14 22:59:12,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 24 [2021-07-14 22:59:12,994 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:13,013 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-07-14 22:59:13,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 25 [2021-07-14 22:59:13,018 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:13,036 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-07-14 22:59:13,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 28 [2021-07-14 22:59:13,039 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:13,048 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-07-14 22:59:13,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 19 [2021-07-14 22:59:13,049 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:13,063 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:59:13,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2021-07-14 22:59:13,069 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:13,078 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-07-14 22:59:13,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 16 [2021-07-14 22:59:13,079 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:13,095 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-07-14 22:59:13,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 21 [2021-07-14 22:59:13,097 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:13,111 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:59:13,111 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 30 treesize of output 32 [2021-07-14 22:59:13,117 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:13,125 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-07-14 22:59:13,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 16 [2021-07-14 22:59:13,126 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:13,134 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-07-14 22:59:13,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 19 [2021-07-14 22:59:13,135 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:13,144 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-07-14 22:59:13,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 1 [2021-07-14 22:59:13,145 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:13,151 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-07-14 22:59:13,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 1 [2021-07-14 22:59:13,152 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:13,210 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:59:13,220 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 22:59:13,221 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 2 variables, input treesize:729, output treesize:157 [2021-07-14 22:59:13,404 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:13,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83155653] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:13,404 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:59:13,404 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 19 [2021-07-14 22:59:13,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025412784] [2021-07-14 22:59:13,405 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 22:59:13,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:59:13,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 22:59:13,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2021-07-14 22:59:13,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:13,406 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:59:13,406 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.526315789473684) internal successors, (48), 19 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:59:13,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:13,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:13,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:13,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:13,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:13,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:13,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:59:13,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:59:13,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:59:13,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:14,327 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2021-07-14 22:59:14,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:14,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:14,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:14,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:14,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:14,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:14,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:59:14,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:59:14,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:59:14,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:59:15,009 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable106 [2021-07-14 22:59:15,009 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:59:15,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:59:15,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1091236563, now seen corresponding path program 3 times [2021-07-14 22:59:15,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:59:15,010 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943319324] [2021-07-14 22:59:15,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:59:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:59:15,053 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:15,053 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:59:15,053 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943319324] [2021-07-14 22:59:15,053 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943319324] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:15,053 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577594646] [2021-07-14 22:59:15,053 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 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 [2021-07-14 22:59:15,078 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 22:59:15,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:59:15,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-14 22:59:15,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:59:15,165 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:15,166 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577594646] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:15,166 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:59:15,166 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2021-07-14 22:59:15,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36786644] [2021-07-14 22:59:15,166 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 22:59:15,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:59:15,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 22:59:15,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-07-14 22:59:15,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:15,167 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:59:15,167 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 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) [2021-07-14 22:59:15,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:15,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:15,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:15,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:15,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:15,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:15,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:59:15,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:59:15,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:59:15,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:59:15,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:15,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:15,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:15,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:15,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:15,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:15,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:15,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:59:15,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:59:15,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:59:15,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:59:15,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:59:15,588 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:59:15,589 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:59:15,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:59:15,589 INFO L82 PathProgramCache]: Analyzing trace with hash 931576727, now seen corresponding path program 4 times [2021-07-14 22:59:15,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:59:15,589 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949711698] [2021-07-14 22:59:15,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:59:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:59:15,634 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 22:59:15,634 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:59:15,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949711698] [2021-07-14 22:59:15,635 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949711698] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:15,635 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299098655] [2021-07-14 22:59:15,635 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 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 [2021-07-14 22:59:15,676 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:59:15,676 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:59:15,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 22:59:15,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:59:15,734 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 22:59:15,734 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299098655] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:15,734 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:59:15,734 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-14 22:59:15,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026304017] [2021-07-14 22:59:15,734 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 22:59:15,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:59:15,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 22:59:15,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-07-14 22:59:15,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:15,735 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:59:15,735 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:59:15,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:15,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:15,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:15,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:15,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:15,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:15,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:59:15,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:59:15,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:59:15,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:59:15,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:59:15,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:15,946 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 54 [2021-07-14 22:59:16,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:16,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:16,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:16,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:16,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:16,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:16,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:59:16,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:59:16,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:59:16,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:59:16,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 22:59:16,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:16,317 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:59:16,317 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:59:16,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:59:16,317 INFO L82 PathProgramCache]: Analyzing trace with hash 2038913619, now seen corresponding path program 6 times [2021-07-14 22:59:16,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:59:16,317 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899357567] [2021-07-14 22:59:16,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:59:16,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:59:16,404 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:16,404 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:59:16,404 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899357567] [2021-07-14 22:59:16,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899357567] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:16,404 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627935901] [2021-07-14 22:59:16,405 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 [2021-07-14 22:59:16,432 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 22:59:16,432 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:59:16,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 22:59:16,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:59:16,529 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:16,529 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627935901] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:16,530 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:59:16,530 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2021-07-14 22:59:16,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517797808] [2021-07-14 22:59:16,530 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 22:59:16,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:59:16,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 22:59:16,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-07-14 22:59:16,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:16,530 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:59:16,531 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:59:16,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:16,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:16,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:16,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:16,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:16,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:16,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:59:16,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:59:16,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:59:16,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:59:16,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 22:59:16,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:16,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:16,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:16,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:16,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:16,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:16,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:16,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:16,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:59:16,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:59:16,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:59:16,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:59:16,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 22:59:16,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:16,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:59:16,938 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162,12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:59:16,938 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:59:16,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:59:16,939 INFO L82 PathProgramCache]: Analyzing trace with hash -34673935, now seen corresponding path program 7 times [2021-07-14 22:59:16,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:59:16,939 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293992983] [2021-07-14 22:59:16,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:59:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:59:17,403 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2021-07-14 22:59:17,548 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-07-14 22:59:17,711 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2021-07-14 22:59:17,835 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:17,836 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:59:17,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293992983] [2021-07-14 22:59:17,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293992983] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:17,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088253536] [2021-07-14 22:59:17,836 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 [2021-07-14 22:59:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:59:17,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 33 conjunts are in the unsatisfiable core [2021-07-14 22:59:17,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:59:20,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,388 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,391 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2021-07-14 22:59:20,397 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 22 [2021-07-14 22:59:20,413 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,424 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,427 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,430 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,431 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 22 [2021-07-14 22:59:20,433 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 19 [2021-07-14 22:59:20,449 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2021-07-14 22:59:20,465 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-07-14 22:59:20,482 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,496 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 25 [2021-07-14 22:59:20,498 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 19 [2021-07-14 22:59:20,514 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,522 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 22 [2021-07-14 22:59:20,530 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 19 [2021-07-14 22:59:20,547 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2021-07-14 22:59:20,563 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2021-07-14 22:59:20,579 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 22:59:20,594 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 22 [2021-07-14 22:59:20,611 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 25 [2021-07-14 22:59:20,627 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,638 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 16 [2021-07-14 22:59:20,645 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 22 [2021-07-14 22:59:20,669 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 16 [2021-07-14 22:59:20,689 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,697 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 16 [2021-07-14 22:59:20,707 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,717 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,717 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,724 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 22 [2021-07-14 22:59:20,725 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,734 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,738 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 22 [2021-07-14 22:59:20,744 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,752 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 19 [2021-07-14 22:59:20,761 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,770 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 22 [2021-07-14 22:59:20,780 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,789 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,797 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2021-07-14 22:59:20,798 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,812 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 25 [2021-07-14 22:59:20,817 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2021-07-14 22:59:20,834 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,842 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 25 [2021-07-14 22:59:20,851 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,866 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2021-07-14 22:59:20,867 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,881 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2021-07-14 22:59:20,883 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,890 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,897 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,898 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 19 [2021-07-14 22:59:20,899 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,912 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 19 [2021-07-14 22:59:20,914 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2021-07-14 22:59:20,930 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,944 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-07-14 22:59:20,945 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,955 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 22 [2021-07-14 22:59:20,960 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2021-07-14 22:59:20,975 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 22:59:20,991 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:20,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:20,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:20,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,004 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 19 [2021-07-14 22:59:21,006 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 16 [2021-07-14 22:59:21,022 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 19 [2021-07-14 22:59:21,039 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,051 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,053 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 22 [2021-07-14 22:59:21,056 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 19 [2021-07-14 22:59:21,072 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 22 [2021-07-14 22:59:21,088 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 25 [2021-07-14 22:59:21,105 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,112 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,119 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 22 [2021-07-14 22:59:21,122 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,129 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,133 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,137 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 16 [2021-07-14 22:59:21,138 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,151 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 22 [2021-07-14 22:59:21,154 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,161 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,162 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,164 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,168 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 22:59:21,169 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 22 [2021-07-14 22:59:21,184 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,191 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 16 [2021-07-14 22:59:21,201 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 16 [2021-07-14 22:59:21,218 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,225 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 25 [2021-07-14 22:59:21,234 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,243 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 22 [2021-07-14 22:59:21,252 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,264 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,269 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 22:59:21,270 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,277 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 22 [2021-07-14 22:59:21,288 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2021-07-14 22:59:21,303 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 25 [2021-07-14 22:59:21,319 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2021-07-14 22:59:21,335 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 19 [2021-07-14 22:59:21,350 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-07-14 22:59:21,364 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,370 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,372 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,375 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-07-14 22:59:21,377 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 25 [2021-07-14 22:59:21,404 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,418 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 22 [2021-07-14 22:59:21,419 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:21,424 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,424 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:21,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 22 [2021-07-14 22:59:21,425 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:21,446 INFO L628 ElimStorePlain]: treesize reduction 39, result has 35.0 percent of original size [2021-07-14 22:59:21,447 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 22:59:21,447 INFO L247 ElimStorePlain]: Needed 64 recursive calls to eliminate 2 variables, input treesize:3721, output treesize:15 [2021-07-14 22:59:21,479 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:21,479 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088253536] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:21,479 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:59:21,479 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 21 [2021-07-14 22:59:21,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772384889] [2021-07-14 22:59:21,480 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 22:59:21,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:59:21,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 22:59:21,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2021-07-14 22:59:21,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:21,480 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:59:21,480 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.5454545454545454) internal successors, (56), 21 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:59:21,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:21,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:21,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:21,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:21,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:21,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:21,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:59:21,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:59:21,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:59:21,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:59:21,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 22:59:21,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:21,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:59:21,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:22,239 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 62 [2021-07-14 22:59:22,550 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 64 [2021-07-14 22:59:22,766 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 80 [2021-07-14 22:59:22,915 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 66 [2021-07-14 22:59:23,100 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 62 [2021-07-14 22:59:23,404 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 75 [2021-07-14 22:59:23,652 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 77 [2021-07-14 22:59:23,854 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 72 [2021-07-14 22:59:24,050 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 62 [2021-07-14 22:59:24,421 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 44 [2021-07-14 22:59:24,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:24,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:24,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:24,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:24,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:24,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:24,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:59:24,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:59:24,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:59:24,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:59:24,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 22:59:24,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:24,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:59:24,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:59:24,686 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:59:24,686 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:59:24,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:59:24,686 INFO L82 PathProgramCache]: Analyzing trace with hash 112512015, now seen corresponding path program 8 times [2021-07-14 22:59:24,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:59:24,686 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975374429] [2021-07-14 22:59:24,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:59:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:59:24,743 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:24,743 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:59:24,743 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975374429] [2021-07-14 22:59:24,743 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975374429] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:24,743 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580655966] [2021-07-14 22:59:24,743 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 [2021-07-14 22:59:24,769 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:59:24,769 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:59:24,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 22:59:24,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:59:24,899 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:24,899 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580655966] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:24,899 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:59:24,899 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-14 22:59:24,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204835734] [2021-07-14 22:59:24,900 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-14 22:59:24,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:59:24,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-14 22:59:24,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2021-07-14 22:59:24,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:24,900 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:59:24,900 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.6666666666666665) internal successors, (56), 20 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:59:24,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:24,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:24,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:24,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:24,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:24,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:24,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:59:24,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:59:24,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:59:24,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:59:24,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 22:59:24,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:24,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:59:24,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:59:24,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:25,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:25,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:25,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:25,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:25,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:25,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:25,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:59:25,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:59:25,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:59:25,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:59:25,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 22:59:25,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:25,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:59:25,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:59:25,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:59:25,485 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable811 [2021-07-14 22:59:25,485 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:59:25,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:59:25,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1879253783, now seen corresponding path program 5 times [2021-07-14 22:59:25,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:59:25,486 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776611491] [2021-07-14 22:59:25,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:59:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:59:25,542 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:25,542 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:59:25,542 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776611491] [2021-07-14 22:59:25,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776611491] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:25,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196677816] [2021-07-14 22:59:25,543 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 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 [2021-07-14 22:59:25,569 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 22:59:25,569 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:59:25,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 22:59:25,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:59:25,659 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:25,659 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [196677816] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:25,659 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:59:25,659 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2021-07-14 22:59:25,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769260883] [2021-07-14 22:59:25,659 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 22:59:25,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:59:25,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 22:59:25,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2021-07-14 22:59:25,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:25,661 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:59:25,661 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 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) [2021-07-14 22:59:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:59:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:59:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:59:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:59:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 22:59:25,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:25,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:59:25,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:59:25,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:59:25,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:25,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:25,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:25,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:25,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:25,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:25,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:25,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:59:25,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:59:25,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:59:25,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:59:25,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 22:59:25,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:25,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:59:25,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:59:25,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:59:25,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:59:26,078 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable812,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:59:26,078 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:59:26,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:59:26,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1151046325, now seen corresponding path program 6 times [2021-07-14 22:59:26,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:59:26,079 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295421625] [2021-07-14 22:59:26,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:59:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:59:26,550 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2021-07-14 22:59:26,725 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:26,725 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:59:26,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295421625] [2021-07-14 22:59:26,726 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295421625] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:26,726 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357526268] [2021-07-14 22:59:26,726 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 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 [2021-07-14 22:59:26,753 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 22:59:26,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:59:26,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 22:59:26,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:59:27,119 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-07-14 22:59:27,392 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-07-14 22:59:28,181 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-07-14 22:59:28,723 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 162 [2021-07-14 22:59:29,084 INFO L446 ElimStorePlain]: Different costs {6=[v_prenex_42, v_prenex_51, v_prenex_40, v_prenex_46], 9=[A, v_prenex_44, v_prenex_49, v_prenex_38]} [2021-07-14 22:59:29,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:29,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,101 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:29,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 16 [2021-07-14 22:59:29,104 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:29,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:29,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2021-07-14 22:59:29,118 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:29,464 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 141 [2021-07-14 22:59:29,465 INFO L628 ElimStorePlain]: treesize reduction 405, result has 42.5 percent of original size [2021-07-14 22:59:29,465 INFO L518 ElimStorePlain]: Eliminatee v_prenex_51 vanished before elimination [2021-07-14 22:59:29,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:29,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-07-14 22:59:29,476 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:29,578 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-07-14 22:59:29,578 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:59:29,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:29,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2021-07-14 22:59:29,589 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:29,693 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-07-14 22:59:29,693 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:59:29,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:29,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 16 [2021-07-14 22:59:29,704 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:29,792 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:59:29,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:29,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-07-14 22:59:29,802 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:29,886 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:59:29,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:29,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 16 [2021-07-14 22:59:29,897 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:29,971 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:59:29,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:29,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:29,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-07-14 22:59:29,981 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:30,048 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:59:30,054 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-0 vars, 8 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 22:59:30,054 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 32 variables, input treesize:789, output treesize:43 [2021-07-14 22:59:30,109 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:30,109 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357526268] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:30,109 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:59:30,109 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-07-14 22:59:30,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929596871] [2021-07-14 22:59:30,109 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 22:59:30,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:59:30,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 22:59:30,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2021-07-14 22:59:30,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:30,110 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:59:30,110 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.4347826086956523) internal successors, (56), 23 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:59:30,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:30,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:30,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:30,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:30,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:30,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:30,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:59:30,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:59:30,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:59:30,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:59:30,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 22:59:30,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:30,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:59:30,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:59:30,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:59:30,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:59:30,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:30,559 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 48 [2021-07-14 22:59:31,997 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 115 DAG size of output: 62 [2021-07-14 22:59:32,247 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 51 [2021-07-14 22:59:32,475 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 55 [2021-07-14 22:59:34,219 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 125 DAG size of output: 69 [2021-07-14 22:59:34,487 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 69 [2021-07-14 22:59:35,853 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 127 DAG size of output: 70 [2021-07-14 22:59:36,630 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 147 [2021-07-14 22:59:36,953 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 76 [2021-07-14 22:59:39,299 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 118 DAG size of output: 66 [2021-07-14 22:59:39,643 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 85 [2021-07-14 22:59:40,099 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 79 [2021-07-14 22:59:40,654 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 76 [2021-07-14 22:59:41,000 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 81 [2021-07-14 22:59:41,364 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 94 [2021-07-14 22:59:42,066 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 91 [2021-07-14 22:59:42,693 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 115 [2021-07-14 22:59:43,088 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 107 [2021-07-14 22:59:43,364 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 109 [2021-07-14 22:59:43,843 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 92 [2021-07-14 22:59:44,291 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 95 [2021-07-14 22:59:44,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:44,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:44,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:44,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:44,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:44,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:44,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:59:44,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:59:44,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:59:44,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:59:44,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 22:59:44,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:44,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:59:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:59:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:59:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:59:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:59:44,614 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable813,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:59:44,614 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:59:44,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:59:44,615 INFO L82 PathProgramCache]: Analyzing trace with hash 991386489, now seen corresponding path program 7 times [2021-07-14 22:59:44,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:59:44,615 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461579023] [2021-07-14 22:59:44,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:59:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:59:44,913 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2021-07-14 22:59:45,046 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 54 [2021-07-14 22:59:45,213 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:45,214 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:59:45,214 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461579023] [2021-07-14 22:59:45,214 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461579023] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:45,214 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174130131] [2021-07-14 22:59:45,214 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 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 [2021-07-14 22:59:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:59:45,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 22:59:45,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:59:45,548 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-07-14 22:59:45,735 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-07-14 22:59:46,188 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 96 [2021-07-14 22:59:46,372 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-07-14 22:59:46,550 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-07-14 22:59:46,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:46,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:46,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:46,897 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:46,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2021-07-14 22:59:46,900 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:46,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:46,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:46,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:46,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 16 [2021-07-14 22:59:46,911 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:47,205 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 110 [2021-07-14 22:59:47,205 INFO L628 ElimStorePlain]: treesize reduction 344, result has 42.3 percent of original size [2021-07-14 22:59:47,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:47,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:47,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 16 [2021-07-14 22:59:47,213 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:47,295 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:59:47,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:47,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:47,302 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 28 treesize of output 16 [2021-07-14 22:59:47,303 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:47,378 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:59:47,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:47,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:47,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:47,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 16 [2021-07-14 22:59:47,386 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:47,457 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:59:47,457 INFO L518 ElimStorePlain]: Eliminatee v_prenex_63 vanished before elimination [2021-07-14 22:59:47,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:47,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:47,464 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:47,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2021-07-14 22:59:47,467 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:47,538 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:59:47,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:47,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:47,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 16 [2021-07-14 22:59:47,545 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:47,603 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:59:47,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:59:47,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:47,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:59:47,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 16 [2021-07-14 22:59:47,610 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 22:59:47,662 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:59:47,666 INFO L550 ElimStorePlain]: Start of recursive call 1: 16 dim-0 vars, 8 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 22:59:47,666 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 24 variables, input treesize:668, output treesize:43 [2021-07-14 22:59:47,707 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:47,707 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174130131] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:47,707 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:59:47,707 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2021-07-14 22:59:47,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489530564] [2021-07-14 22:59:47,707 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 22:59:47,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:59:47,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 22:59:47,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2021-07-14 22:59:47,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:47,708 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:59:47,708 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.5454545454545454) internal successors, (56), 22 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:59:47,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:47,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:47,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:47,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:47,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:47,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:47,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:59:47,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:59:47,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:59:47,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:59:47,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 22:59:47,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:47,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:59:47,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:59:47,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:59:47,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:59:47,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:59:47,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:48,017 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 48 [2021-07-14 22:59:48,196 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 54 [2021-07-14 22:59:48,537 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 84 [2021-07-14 22:59:48,738 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 72 [2021-07-14 22:59:49,120 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 86 [2021-07-14 22:59:49,531 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 87 [2021-07-14 22:59:49,701 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 38 [2021-07-14 22:59:50,256 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-07-14 22:59:50,657 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 87 [2021-07-14 22:59:51,359 WARN L205 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 109 [2021-07-14 22:59:51,529 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-07-14 22:59:51,827 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 101 [2021-07-14 22:59:51,973 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2021-07-14 22:59:52,734 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 123 [2021-07-14 22:59:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:59:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:59:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:59:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:59:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 22:59:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:59:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:59:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:59:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:59:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:59:52,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:59:53,042 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable889,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:59:53,043 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:59:53,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:59:53,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1685898601, now seen corresponding path program 8 times [2021-07-14 22:59:53,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:59:53,043 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159130441] [2021-07-14 22:59:53,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:59:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:59:53,101 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:53,101 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:59:53,101 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159130441] [2021-07-14 22:59:53,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159130441] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:53,101 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157991624] [2021-07-14 22:59:53,101 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 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 [2021-07-14 22:59:53,145 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:59:53,145 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:59:53,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 22:59:53,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:59:53,253 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:59:53,253 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157991624] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:59:53,253 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:59:53,253 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2021-07-14 22:59:53,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938945551] [2021-07-14 22:59:53,253 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 22:59:53,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:59:53,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 22:59:53,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2021-07-14 22:59:53,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:53,254 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:59:53,254 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.611111111111111) internal successors, (47), 18 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) [2021-07-14 22:59:53,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:53,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:53,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:53,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:53,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:53,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:53,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:59:53,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:59:53,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:59:53,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:59:53,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 22:59:53,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:53,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:59:53,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:59:53,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:59:53,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:59:53,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:59:53,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:59:53,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:59:53,749 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 49 [2021-07-14 22:59:53,959 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 47 [2021-07-14 22:59:54,307 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 111 [2021-07-14 22:59:54,586 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 74 [2021-07-14 22:59:55,283 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 119 [2021-07-14 22:59:55,526 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 82 [2021-07-14 22:59:56,110 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 80 [2021-07-14 22:59:56,419 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2021-07-14 22:59:56,853 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 74 [2021-07-14 22:59:57,227 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 91 [2021-07-14 22:59:57,453 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 68 [2021-07-14 22:59:57,898 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 77 [2021-07-14 22:59:58,117 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2021-07-14 22:59:58,513 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2021-07-14 22:59:58,738 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2021-07-14 22:59:58,979 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 58 [2021-07-14 22:59:59,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:59:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:59:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:59:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:59:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:59:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:59:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:59:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:59:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:59:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 22:59:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:59:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:59:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 22:59:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:59:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:59:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:59:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:59:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:59:59,356 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable930 [2021-07-14 22:59:59,357 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:59:59,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:59:59,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1890669839, now seen corresponding path program 9 times [2021-07-14 22:59:59,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:59:59,357 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998775438] [2021-07-14 22:59:59,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:59:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:59:59,801 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-07-14 22:59:59,966 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2021-07-14 23:00:00,188 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2021-07-14 23:00:00,405 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2021-07-14 23:00:00,667 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:00:00,667 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:00:00,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998775438] [2021-07-14 23:00:00,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998775438] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:00:00,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004708494] [2021-07-14 23:00:00,668 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 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 [2021-07-14 23:00:00,699 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 23:00:00,699 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:00:00,700 WARN L261 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-14 23:00:00,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:00:01,535 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-07-14 23:00:02,148 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2021-07-14 23:00:02,849 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-07-14 23:00:04,312 WARN L205 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 230 [2021-07-14 23:00:05,727 WARN L205 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 390 [2021-07-14 23:00:08,494 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 772 [2021-07-14 23:00:12,014 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 773 [2021-07-14 23:00:15,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:15,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:15,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:15,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:15,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:15,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:15,303 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:15,510 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2021-07-14 23:00:15,510 INFO L354 Elim1Store]: treesize reduction 44, result has 60.4 percent of original size [2021-07-14 23:00:15,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 65 treesize of output 91 [2021-07-14 23:00:15,518 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:15,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:15,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:15,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:15,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:15,643 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:15,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:15,689 INFO L244 Elim1Store]: Index analysis took 107 ms [2021-07-14 23:00:15,854 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2021-07-14 23:00:15,855 INFO L354 Elim1Store]: treesize reduction 52, result has 53.2 percent of original size [2021-07-14 23:00:15,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 61 treesize of output 83 [2021-07-14 23:00:15,873 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:15,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:15,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:15,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:15,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:15,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:15,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:16,204 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 38 [2021-07-14 23:00:16,205 INFO L354 Elim1Store]: treesize reduction 40, result has 64.0 percent of original size [2021-07-14 23:00:16,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 61 treesize of output 95 [2021-07-14 23:00:16,214 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:16,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:16,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:16,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:16,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:16,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:16,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:16,548 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 38 [2021-07-14 23:00:16,548 INFO L354 Elim1Store]: treesize reduction 44, result has 60.4 percent of original size [2021-07-14 23:00:16,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 57 treesize of output 91 [2021-07-14 23:00:16,563 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:16,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:16,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:16,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:16,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:16,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:16,734 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:16,734 INFO L244 Elim1Store]: Index analysis took 108 ms [2021-07-14 23:00:16,913 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2021-07-14 23:00:16,913 INFO L354 Elim1Store]: treesize reduction 44, result has 60.4 percent of original size [2021-07-14 23:00:16,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 63 treesize of output 91 [2021-07-14 23:00:16,924 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:16,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:17,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:17,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:17,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:17,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:17,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:17,099 INFO L244 Elim1Store]: Index analysis took 111 ms [2021-07-14 23:00:17,303 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 38 [2021-07-14 23:00:17,304 INFO L354 Elim1Store]: treesize reduction 44, result has 60.4 percent of original size [2021-07-14 23:00:17,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 63 treesize of output 91 [2021-07-14 23:00:17,314 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:17,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:17,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:17,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:17,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:17,448 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:17,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:17,500 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-07-14 23:00:17,682 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2021-07-14 23:00:17,682 INFO L354 Elim1Store]: treesize reduction 48, result has 56.8 percent of original size [2021-07-14 23:00:17,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 59 treesize of output 87 [2021-07-14 23:00:17,694 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:17,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:17,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:17,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:17,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:17,830 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:17,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:17,884 INFO L244 Elim1Store]: Index analysis took 107 ms [2021-07-14 23:00:18,130 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2021-07-14 23:00:18,131 INFO L354 Elim1Store]: treesize reduction 44, result has 60.4 percent of original size [2021-07-14 23:00:18,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 91 [2021-07-14 23:00:18,140 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:18,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:18,225 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:18,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:18,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:18,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:18,269 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:18,513 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2021-07-14 23:00:18,514 INFO L354 Elim1Store]: treesize reduction 48, result has 56.8 percent of original size [2021-07-14 23:00:18,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 63 treesize of output 87 [2021-07-14 23:00:18,553 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:18,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:18,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:18,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:18,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:18,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:18,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:18,733 INFO L244 Elim1Store]: Index analysis took 110 ms [2021-07-14 23:00:18,909 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 28 [2021-07-14 23:00:18,909 INFO L354 Elim1Store]: treesize reduction 56, result has 49.5 percent of original size [2021-07-14 23:00:18,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 61 treesize of output 79 [2021-07-14 23:00:18,915 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:18,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:19,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:19,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:19,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:19,260 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 38 [2021-07-14 23:00:19,260 INFO L354 Elim1Store]: treesize reduction 36, result has 67.6 percent of original size [2021-07-14 23:00:19,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 46 treesize of output 96 [2021-07-14 23:00:19,276 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:19,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:19,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:19,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:19,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:19,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:19,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:19,443 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:19,632 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2021-07-14 23:00:19,632 INFO L354 Elim1Store]: treesize reduction 48, result has 56.8 percent of original size [2021-07-14 23:00:19,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 63 treesize of output 87 [2021-07-14 23:00:19,643 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:19,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:19,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:19,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:19,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:19,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:19,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:19,791 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:19,835 INFO L244 Elim1Store]: Index analysis took 118 ms [2021-07-14 23:00:19,998 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2021-07-14 23:00:19,999 INFO L354 Elim1Store]: treesize reduction 56, result has 49.5 percent of original size [2021-07-14 23:00:19,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 67 treesize of output 79 [2021-07-14 23:00:20,025 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:20,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:20,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:20,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:20,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:20,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:20,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:20,378 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2021-07-14 23:00:20,378 INFO L354 Elim1Store]: treesize reduction 40, result has 64.0 percent of original size [2021-07-14 23:00:20,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 63 treesize of output 95 [2021-07-14 23:00:20,390 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:20,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:20,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:20,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:20,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:20,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:20,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:20,571 INFO L244 Elim1Store]: Index analysis took 114 ms [2021-07-14 23:00:20,764 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2021-07-14 23:00:20,765 INFO L354 Elim1Store]: treesize reduction 40, result has 64.0 percent of original size [2021-07-14 23:00:20,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 95 [2021-07-14 23:00:20,776 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:20,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:20,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:20,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:20,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:21,068 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2021-07-14 23:00:21,069 INFO L354 Elim1Store]: treesize reduction 48, result has 56.8 percent of original size [2021-07-14 23:00:21,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 53 treesize of output 87 [2021-07-14 23:00:21,077 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:21,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:21,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:21,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:21,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:21,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:21,184 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:21,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:21,247 INFO L244 Elim1Store]: Index analysis took 111 ms [2021-07-14 23:00:21,421 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2021-07-14 23:00:21,421 INFO L354 Elim1Store]: treesize reduction 48, result has 56.8 percent of original size [2021-07-14 23:00:21,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 67 treesize of output 87 [2021-07-14 23:00:21,428 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:21,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:21,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:21,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:21,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:21,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:21,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:21,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:21,799 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2021-07-14 23:00:21,799 INFO L354 Elim1Store]: treesize reduction 40, result has 64.0 percent of original size [2021-07-14 23:00:21,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 59 treesize of output 95 [2021-07-14 23:00:21,816 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:21,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:21,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:21,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:21,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:21,989 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-07-14 23:00:22,189 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2021-07-14 23:00:22,190 INFO L354 Elim1Store]: treesize reduction 44, result has 60.4 percent of original size [2021-07-14 23:00:22,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 47 treesize of output 91 [2021-07-14 23:00:22,201 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:22,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:22,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:22,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:22,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:22,528 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2021-07-14 23:00:22,529 INFO L354 Elim1Store]: treesize reduction 40, result has 64.0 percent of original size [2021-07-14 23:00:22,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 42 treesize of output 92 [2021-07-14 23:00:22,554 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:22,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:22,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:22,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:22,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:22,857 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 28 [2021-07-14 23:00:22,858 INFO L354 Elim1Store]: treesize reduction 56, result has 49.5 percent of original size [2021-07-14 23:00:22,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 51 treesize of output 79 [2021-07-14 23:00:22,862 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:22,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:22,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:22,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:22,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:22,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:22,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:23,214 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2021-07-14 23:00:23,214 INFO L354 Elim1Store]: treesize reduction 44, result has 60.4 percent of original size [2021-07-14 23:00:23,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 59 treesize of output 91 [2021-07-14 23:00:23,260 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:23,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:23,329 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:23,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:23,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:23,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:23,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:23,598 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2021-07-14 23:00:23,598 INFO L354 Elim1Store]: treesize reduction 44, result has 60.4 percent of original size [2021-07-14 23:00:23,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 59 treesize of output 91 [2021-07-14 23:00:23,606 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:23,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:23,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:23,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:23,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:23,904 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2021-07-14 23:00:23,904 INFO L354 Elim1Store]: treesize reduction 52, result has 53.2 percent of original size [2021-07-14 23:00:23,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 51 treesize of output 83 [2021-07-14 23:00:23,910 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:23,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:23,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:24,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:24,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:24,022 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:24,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:24,082 INFO L244 Elim1Store]: Index analysis took 113 ms [2021-07-14 23:00:24,264 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2021-07-14 23:00:24,265 INFO L354 Elim1Store]: treesize reduction 56, result has 49.5 percent of original size [2021-07-14 23:00:24,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 65 treesize of output 79 [2021-07-14 23:00:24,272 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:24,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:24,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:24,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:24,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:24,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:24,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:24,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:24,455 INFO L244 Elim1Store]: Index analysis took 115 ms [2021-07-14 23:00:24,626 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 28 [2021-07-14 23:00:24,627 INFO L354 Elim1Store]: treesize reduction 60, result has 45.9 percent of original size [2021-07-14 23:00:24,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 57 treesize of output 75 [2021-07-14 23:00:24,631 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:24,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:24,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:24,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:24,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:24,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:24,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:24,955 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2021-07-14 23:00:24,955 INFO L354 Elim1Store]: treesize reduction 56, result has 49.5 percent of original size [2021-07-14 23:00:24,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 57 treesize of output 79 [2021-07-14 23:00:24,967 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:25,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:25,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:25,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:25,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:25,324 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2021-07-14 23:00:25,324 INFO L354 Elim1Store]: treesize reduction 40, result has 64.0 percent of original size [2021-07-14 23:00:25,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 55 treesize of output 95 [2021-07-14 23:00:25,333 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:25,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:25,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:25,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:25,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:25,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:25,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:25,654 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 28 [2021-07-14 23:00:25,654 INFO L354 Elim1Store]: treesize reduction 56, result has 49.5 percent of original size [2021-07-14 23:00:25,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 63 treesize of output 79 [2021-07-14 23:00:25,660 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:25,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:25,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:25,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:25,768 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:25,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:25,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:25,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:25,829 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-07-14 23:00:26,017 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2021-07-14 23:00:26,018 INFO L354 Elim1Store]: treesize reduction 52, result has 53.2 percent of original size [2021-07-14 23:00:26,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 65 treesize of output 83 [2021-07-14 23:00:26,029 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:26,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:26,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:26,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:26,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:26,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:26,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:26,202 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:26,210 INFO L244 Elim1Store]: Index analysis took 101 ms [2021-07-14 23:00:26,398 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2021-07-14 23:00:26,398 INFO L354 Elim1Store]: treesize reduction 56, result has 49.5 percent of original size [2021-07-14 23:00:26,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 61 treesize of output 79 [2021-07-14 23:00:26,406 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:26,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:26,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:26,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:26,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:26,679 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2021-07-14 23:00:26,679 INFO L354 Elim1Store]: treesize reduction 56, result has 49.5 percent of original size [2021-07-14 23:00:26,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 57 treesize of output 79 [2021-07-14 23:00:26,684 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:37,158 WARN L205 SmtUtils]: Spent 10.47 s on a formula simplification. DAG size of input: 1419 DAG size of output: 1383 [2021-07-14 23:00:37,161 INFO L628 ElimStorePlain]: treesize reduction 137, result has 97.1 percent of original size [2021-07-14 23:00:37,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:37,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:37,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:37,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:37,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:37,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:37,520 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2021-07-14 23:00:37,521 INFO L354 Elim1Store]: treesize reduction 32, result has 71.2 percent of original size [2021-07-14 23:00:37,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 59 treesize of output 103 [2021-07-14 23:00:37,549 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:37,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:37,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:37,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:37,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:37,858 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2021-07-14 23:00:37,859 INFO L354 Elim1Store]: treesize reduction 32, result has 71.2 percent of original size [2021-07-14 23:00:37,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 48 treesize of output 100 [2021-07-14 23:00:37,895 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:37,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:37,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:37,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:37,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:38,280 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2021-07-14 23:00:38,280 INFO L354 Elim1Store]: treesize reduction 32, result has 71.2 percent of original size [2021-07-14 23:00:38,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 55 treesize of output 103 [2021-07-14 23:00:38,312 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:38,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:38,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:38,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:38,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:38,633 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2021-07-14 23:00:38,633 INFO L354 Elim1Store]: treesize reduction 48, result has 56.8 percent of original size [2021-07-14 23:00:38,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 49 treesize of output 87 [2021-07-14 23:00:38,644 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:38,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:38,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:38,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:38,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:38,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:38,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:38,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:38,835 INFO L244 Elim1Store]: Index analysis took 124 ms [2021-07-14 23:00:39,038 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2021-07-14 23:00:39,039 INFO L354 Elim1Store]: treesize reduction 32, result has 71.2 percent of original size [2021-07-14 23:00:39,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 103 [2021-07-14 23:00:39,055 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:39,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:39,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:39,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:39,151 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:39,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:39,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:39,432 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2021-07-14 23:00:39,432 INFO L354 Elim1Store]: treesize reduction 32, result has 71.2 percent of original size [2021-07-14 23:00:39,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 63 treesize of output 103 [2021-07-14 23:00:39,449 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:39,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:39,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:39,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:39,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:39,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:39,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:39,836 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 38 [2021-07-14 23:00:39,837 INFO L354 Elim1Store]: treesize reduction 36, result has 67.6 percent of original size [2021-07-14 23:00:39,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 57 treesize of output 99 [2021-07-14 23:00:39,845 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:39,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:39,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:39,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:39,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:39,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:39,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:40,182 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2021-07-14 23:00:40,182 INFO L354 Elim1Store]: treesize reduction 48, result has 56.8 percent of original size [2021-07-14 23:00:40,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 61 treesize of output 87 [2021-07-14 23:00:40,193 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:40,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:40,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:40,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:40,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:40,528 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2021-07-14 23:00:40,528 INFO L354 Elim1Store]: treesize reduction 28, result has 74.8 percent of original size [2021-07-14 23:00:40,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 44 treesize of output 104 [2021-07-14 23:00:40,553 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:40,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:40,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:40,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:40,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:40,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:40,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:40,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:40,723 INFO L244 Elim1Store]: Index analysis took 112 ms [2021-07-14 23:00:40,964 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2021-07-14 23:00:40,965 INFO L354 Elim1Store]: treesize reduction 28, result has 74.8 percent of original size [2021-07-14 23:00:40,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 61 treesize of output 107 [2021-07-14 23:00:40,985 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:41,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:41,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:41,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:41,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:41,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:41,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:41,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:41,149 INFO L244 Elim1Store]: Index analysis took 110 ms [2021-07-14 23:00:41,352 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2021-07-14 23:00:41,353 INFO L354 Elim1Store]: treesize reduction 28, result has 74.8 percent of original size [2021-07-14 23:00:41,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 107 [2021-07-14 23:00:41,393 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:41,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:41,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:41,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:41,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:41,627 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-07-14 23:00:41,627 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:00:41,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 37 treesize of output 129 [2021-07-14 23:00:42,112 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:42,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:42,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:42,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:42,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:42,392 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 38 [2021-07-14 23:00:42,392 INFO L354 Elim1Store]: treesize reduction 36, result has 67.6 percent of original size [2021-07-14 23:00:42,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 46 treesize of output 96 [2021-07-14 23:00:42,409 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:42,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:42,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:42,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:42,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:42,718 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2021-07-14 23:00:42,719 INFO L354 Elim1Store]: treesize reduction 36, result has 67.6 percent of original size [2021-07-14 23:00:42,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 42 treesize of output 96 [2021-07-14 23:00:42,754 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:42,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:42,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:42,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:42,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:42,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:42,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:43,080 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 31 [2021-07-14 23:00:43,081 INFO L354 Elim1Store]: treesize reduction 56, result has 49.5 percent of original size [2021-07-14 23:00:43,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 57 treesize of output 79 [2021-07-14 23:00:43,092 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:43,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:43,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:43,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:43,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:43,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:43,202 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:43,459 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2021-07-14 23:00:43,459 INFO L354 Elim1Store]: treesize reduction 32, result has 71.2 percent of original size [2021-07-14 23:00:43,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 59 treesize of output 103 [2021-07-14 23:00:43,469 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:43,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:43,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:43,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:43,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:43,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:43,583 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:43,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:43,652 INFO L244 Elim1Store]: Index analysis took 124 ms [2021-07-14 23:00:43,880 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2021-07-14 23:00:43,880 INFO L354 Elim1Store]: treesize reduction 28, result has 74.8 percent of original size [2021-07-14 23:00:43,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 59 treesize of output 107 [2021-07-14 23:00:43,914 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:43,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:44,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:44,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:44,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:44,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:44,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:44,079 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-07-14 23:00:44,236 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-07-14 23:00:44,236 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:00:44,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 51 treesize of output 135 [2021-07-14 23:00:44,515 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:44,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:44,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:44,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:44,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:44,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:44,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:44,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:44,681 INFO L244 Elim1Store]: Index analysis took 114 ms [2021-07-14 23:00:44,878 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 38 [2021-07-14 23:00:44,879 INFO L354 Elim1Store]: treesize reduction 36, result has 67.6 percent of original size [2021-07-14 23:00:44,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 59 treesize of output 99 [2021-07-14 23:00:44,887 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:44,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:44,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:44,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:44,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:44,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:44,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:45,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:45,212 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 31 [2021-07-14 23:00:45,212 INFO L354 Elim1Store]: treesize reduction 52, result has 53.2 percent of original size [2021-07-14 23:00:45,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 61 treesize of output 83 [2021-07-14 23:00:45,221 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:45,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:45,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:45,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:45,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:45,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:45,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:45,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:45,597 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2021-07-14 23:00:45,597 INFO L354 Elim1Store]: treesize reduction 32, result has 71.2 percent of original size [2021-07-14 23:00:45,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 65 treesize of output 103 [2021-07-14 23:00:45,614 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:45,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:45,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:45,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:45,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:45,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:45,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:45,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:45,798 INFO L244 Elim1Store]: Index analysis took 115 ms [2021-07-14 23:00:45,999 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2021-07-14 23:00:46,000 INFO L354 Elim1Store]: treesize reduction 32, result has 71.2 percent of original size [2021-07-14 23:00:46,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 61 treesize of output 103 [2021-07-14 23:00:46,013 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:46,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:46,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:46,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:46,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:46,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:46,133 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:46,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:46,195 INFO L244 Elim1Store]: Index analysis took 114 ms [2021-07-14 23:00:46,405 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 31 [2021-07-14 23:00:46,405 INFO L354 Elim1Store]: treesize reduction 52, result has 53.2 percent of original size [2021-07-14 23:00:46,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 63 treesize of output 83 [2021-07-14 23:00:46,413 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:46,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:46,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:46,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:46,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:46,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:46,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:46,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:46,579 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-07-14 23:00:46,748 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-07-14 23:00:46,748 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:00:46,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 57 treesize of output 135 [2021-07-14 23:00:46,872 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:46,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:46,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:46,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:46,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:46,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:46,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:47,219 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2021-07-14 23:00:47,220 INFO L354 Elim1Store]: treesize reduction 48, result has 56.8 percent of original size [2021-07-14 23:00:47,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 59 treesize of output 87 [2021-07-14 23:00:47,248 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:47,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:47,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:47,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:47,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:47,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:47,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:47,608 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2021-07-14 23:00:47,609 INFO L354 Elim1Store]: treesize reduction 36, result has 67.6 percent of original size [2021-07-14 23:00:47,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 57 treesize of output 99 [2021-07-14 23:00:47,625 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:47,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:47,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:47,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:47,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:47,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:47,739 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:47,991 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2021-07-14 23:00:47,991 INFO L354 Elim1Store]: treesize reduction 36, result has 67.6 percent of original size [2021-07-14 23:00:47,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 51 treesize of output 99 [2021-07-14 23:00:48,006 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:48,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:48,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:48,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:48,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:48,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:48,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:48,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:48,170 INFO L244 Elim1Store]: Index analysis took 105 ms [2021-07-14 23:00:48,369 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-07-14 23:00:48,369 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:00:48,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 135 [2021-07-14 23:00:48,806 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:48,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:48,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:48,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:48,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:48,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:48,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:49,184 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2021-07-14 23:00:49,184 INFO L354 Elim1Store]: treesize reduction 36, result has 67.6 percent of original size [2021-07-14 23:00:49,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 99 [2021-07-14 23:00:49,199 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:49,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:49,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:49,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:49,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:49,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:49,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:49,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:49,539 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 38 [2021-07-14 23:00:49,540 INFO L354 Elim1Store]: treesize reduction 40, result has 64.0 percent of original size [2021-07-14 23:00:49,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 53 treesize of output 95 [2021-07-14 23:00:49,552 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:49,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:49,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:49,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:49,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:49,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:49,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:00:49,878 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2021-07-14 23:00:49,879 INFO L354 Elim1Store]: treesize reduction 48, result has 56.8 percent of original size [2021-07-14 23:00:49,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 87 [2021-07-14 23:00:49,896 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-07-14 23:00:49,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:49,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:49,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:49,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:00:50,186 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 31 [2021-07-14 23:00:50,187 INFO L354 Elim1Store]: treesize reduction 56, result has 49.5 percent of original size [2021-07-14 23:00:50,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 53 treesize of output 79 [2021-07-14 23:00:50,196 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-07-14 23:01:04,292 WARN L205 SmtUtils]: Spent 14.09 s on a formula simplification. DAG size of input: 1588 DAG size of output: 1296 [2021-07-14 23:01:04,294 INFO L628 ElimStorePlain]: treesize reduction 1623, result has 69.4 percent of original size [2021-07-14 23:01:04,685 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 1291 [2021-07-14 23:01:05,483 INFO L550 ElimStorePlain]: Start of recursive call 1: 129 dim-0 vars, 2 dim-1 vars, End of recursive call: and 68 xjuncts. [2021-07-14 23:01:05,484 INFO L247 ElimStorePlain]: Needed 65 recursive calls to eliminate 131 variables, input treesize:5065, output treesize:4264 [2021-07-14 23:01:06,472 WARN L205 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 41 [2021-07-14 23:01:06,558 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:01:06,558 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004708494] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:01:06,558 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:01:06,558 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 29 [2021-07-14 23:01:06,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141377877] [2021-07-14 23:01:06,558 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-14 23:01:06,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:01:06,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-14 23:01:06,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=772, Unknown=0, NotChecked=0, Total=870 [2021-07-14 23:01:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:01:06,559 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:01:06,559 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.1333333333333333) internal successors, (64), 29 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) [2021-07-14 23:01:06,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:01:06,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:01:06,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:01:06,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:01:06,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:01:06,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:01:06,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 23:01:06,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 23:01:06,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 23:01:06,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:01:06,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 23:01:06,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:01:06,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:01:06,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 23:01:06,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:01:06,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 23:01:06,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 23:01:06,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 23:01:06,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:01:06,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:01:07,870 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 46 [2021-07-14 23:01:08,190 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 48 [2021-07-14 23:01:08,529 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 54 [2021-07-14 23:01:08,834 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 51 [2021-07-14 23:01:09,362 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 57 [2021-07-14 23:01:12,856 WARN L205 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 171 DAG size of output: 107 [2021-07-14 23:01:13,223 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2021-07-14 23:01:13,527 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 56 [2021-07-14 23:01:20,025 WARN L205 SmtUtils]: Spent 6.22 s on a formula simplification. DAG size of input: 368 DAG size of output: 273 [2021-07-14 23:01:34,725 WARN L205 SmtUtils]: Spent 14.49 s on a formula simplification. DAG size of input: 214 DAG size of output: 108 [2021-07-14 23:01:40,962 WARN L205 SmtUtils]: Spent 6.03 s on a formula simplification. DAG size of input: 236 DAG size of output: 128 [2021-07-14 23:01:44,357 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 178 DAG size of output: 115 [2021-07-14 23:01:53,206 WARN L205 SmtUtils]: Spent 8.51 s on a formula simplification. DAG size of input: 451 DAG size of output: 274 [2021-07-14 23:02:00,798 WARN L205 SmtUtils]: Spent 7.19 s on a formula simplification. DAG size of input: 375 DAG size of output: 281 [2021-07-14 23:02:01,964 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 236 [2021-07-14 23:02:03,985 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 829 DAG size of output: 399 [2021-07-14 23:02:11,415 WARN L205 SmtUtils]: Spent 6.84 s on a formula simplification. DAG size of input: 807 DAG size of output: 781 [2021-07-14 23:02:14,005 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 810 DAG size of output: 398 [2021-07-14 23:02:17,450 WARN L205 SmtUtils]: Spent 2.86 s on a formula simplification that was a NOOP. DAG size: 776 [2021-07-14 23:02:25,241 WARN L205 SmtUtils]: Spent 7.24 s on a formula simplification. DAG size of input: 405 DAG size of output: 195 [2021-07-14 23:02:37,015 WARN L205 SmtUtils]: Spent 11.43 s on a formula simplification. DAG size of input: 398 DAG size of output: 188 [2021-07-14 23:02:53,570 WARN L205 SmtUtils]: Spent 16.35 s on a formula simplification. DAG size of input: 208 DAG size of output: 141 [2021-07-14 23:03:09,151 WARN L205 SmtUtils]: Spent 15.35 s on a formula simplification. DAG size of input: 271 DAG size of output: 129 [2021-07-14 23:03:36,017 WARN L205 SmtUtils]: Spent 26.62 s on a formula simplification. DAG size of input: 261 DAG size of output: 127 [2021-07-14 23:03:39,345 WARN L205 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 405 DAG size of output: 289 [2021-07-14 23:03:49,127 WARN L205 SmtUtils]: Spent 9.59 s on a formula simplification. DAG size of input: 229 DAG size of output: 141 [2021-07-14 23:03:55,053 WARN L205 SmtUtils]: Spent 5.72 s on a formula simplification. DAG size of input: 244 DAG size of output: 147 [2021-07-14 23:03:59,690 WARN L205 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 215 DAG size of output: 123 [2021-07-14 23:04:04,302 WARN L205 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 459 DAG size of output: 286 [2021-07-14 23:04:07,326 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 412 DAG size of output: 281 [2021-07-14 23:04:08,536 WARN L205 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 236 [2021-07-14 23:04:10,816 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 858 DAG size of output: 400 [2021-07-14 23:04:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:04:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:04:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:04:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:04:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:04:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:04:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 23:04:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 23:04:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 23:04:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:04:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 23:04:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:04:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:04:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 23:04:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:04:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 23:04:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 23:04:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 23:04:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:04:11,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 23:04:11,829 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable931 [2021-07-14 23:04:11,829 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:04:11,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:04:11,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1088123889, now seen corresponding path program 10 times [2021-07-14 23:04:11,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:04:11,830 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254820267] [2021-07-14 23:04:11,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:04:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:04:11,911 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:04:11,911 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:04:11,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254820267] [2021-07-14 23:04:11,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254820267] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:04:11,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265706459] [2021-07-14 23:04:11,911 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:04:11,938 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 23:04:11,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:04:11,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 23:04:11,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:04:12,114 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:04:12,114 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265706459] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:04:12,115 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:04:12,115 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-14 23:04:12,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272297276] [2021-07-14 23:04:12,115 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 23:04:12,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:04:12,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 23:04:12,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2021-07-14 23:04:12,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:04:12,115 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:04:12,116 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.56) internal successors, (64), 24 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) [2021-07-14 23:04:12,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:04:12,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:04:12,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:04:12,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:04:12,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:04:12,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:04:12,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 23:04:12,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 23:04:12,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 23:04:12,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:04:12,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 23:04:12,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:04:12,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:04:12,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 23:04:12,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:04:12,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 23:04:12,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 23:04:12,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 23:04:12,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:04:12,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 23:04:12,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:04:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:04:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:04:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:04:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:04:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:04:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:04:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 23:04:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 23:04:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 23:04:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:04:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 23:04:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:04:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:04:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 23:04:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:04:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 23:04:12,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 23:04:12,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 23:04:12,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:04:12,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 23:04:12,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 23:04:13,172 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2060,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:04:13,172 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:04:13,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:04:13,173 INFO L82 PathProgramCache]: Analyzing trace with hash -579833419, now seen corresponding path program 9 times [2021-07-14 23:04:13,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:04:13,173 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236052063] [2021-07-14 23:04:13,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:04:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:04:13,632 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2021-07-14 23:04:13,907 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2021-07-14 23:04:14,181 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2021-07-14 23:04:14,312 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2021-07-14 23:04:14,567 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:04:14,567 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:04:14,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236052063] [2021-07-14 23:04:14,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236052063] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:04:14,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453625141] [2021-07-14 23:04:14,567 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 [2021-07-14 23:04:14,599 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 23:04:14,600 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:04:14,600 WARN L261 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-14 23:04:14,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:04:15,434 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-07-14 23:04:16,005 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2021-07-14 23:04:16,673 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2021-07-14 23:04:17,311 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2021-07-14 23:04:17,874 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2021-07-14 23:04:19,415 WARN L205 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 329 [2021-07-14 23:04:21,417 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 385 [2021-07-14 23:04:23,579 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 656 [2021-07-14 23:04:26,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:26,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:26,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:26,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:26,500 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2021-07-14 23:04:26,501 INFO L354 Elim1Store]: treesize reduction 42, result has 59.2 percent of original size [2021-07-14 23:04:26,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 53 treesize of output 85 [2021-07-14 23:04:26,508 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:26,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:26,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:26,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:26,843 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2021-07-14 23:04:26,843 INFO L354 Elim1Store]: treesize reduction 40, result has 61.2 percent of original size [2021-07-14 23:04:26,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 55 treesize of output 87 [2021-07-14 23:04:26,853 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:26,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:26,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:26,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:26,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:27,182 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2021-07-14 23:04:27,182 INFO L354 Elim1Store]: treesize reduction 40, result has 61.2 percent of original size [2021-07-14 23:04:27,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 59 treesize of output 87 [2021-07-14 23:04:27,189 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:27,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:27,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:27,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:27,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:27,527 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 38 [2021-07-14 23:04:27,527 INFO L354 Elim1Store]: treesize reduction 36, result has 65.0 percent of original size [2021-07-14 23:04:27,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 44 treesize of output 88 [2021-07-14 23:04:27,556 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:27,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:27,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:27,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:27,886 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2021-07-14 23:04:27,887 INFO L354 Elim1Store]: treesize reduction 40, result has 61.2 percent of original size [2021-07-14 23:04:27,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 45 treesize of output 87 [2021-07-14 23:04:27,896 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:27,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:27,976 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:27,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:27,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:27,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:28,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:28,211 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2021-07-14 23:04:28,211 INFO L354 Elim1Store]: treesize reduction 46, result has 55.3 percent of original size [2021-07-14 23:04:28,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 57 treesize of output 81 [2021-07-14 23:04:28,218 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:28,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:28,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:28,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:28,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:28,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:28,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:28,540 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2021-07-14 23:04:28,540 INFO L354 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2021-07-14 23:04:28,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 57 treesize of output 77 [2021-07-14 23:04:28,546 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:28,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:28,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:28,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:28,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:28,883 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2021-07-14 23:04:28,883 INFO L354 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2021-07-14 23:04:28,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 57 treesize of output 77 [2021-07-14 23:04:28,889 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:28,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:28,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:28,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:28,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:29,237 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 38 [2021-07-14 23:04:29,238 INFO L354 Elim1Store]: treesize reduction 36, result has 65.0 percent of original size [2021-07-14 23:04:29,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 57 treesize of output 91 [2021-07-14 23:04:29,251 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:29,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:29,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:29,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:29,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:29,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:29,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:29,572 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 28 [2021-07-14 23:04:29,572 INFO L354 Elim1Store]: treesize reduction 56, result has 45.6 percent of original size [2021-07-14 23:04:29,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 57 treesize of output 71 [2021-07-14 23:04:29,577 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:29,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:29,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:29,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:29,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:29,898 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2021-07-14 23:04:29,899 INFO L354 Elim1Store]: treesize reduction 52, result has 49.5 percent of original size [2021-07-14 23:04:29,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 49 treesize of output 75 [2021-07-14 23:04:29,905 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:29,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:29,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:29,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:30,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:30,245 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2021-07-14 23:04:30,246 INFO L354 Elim1Store]: treesize reduction 48, result has 53.4 percent of original size [2021-07-14 23:04:30,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 55 treesize of output 79 [2021-07-14 23:04:30,251 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:30,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:30,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:30,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:30,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:30,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:30,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:30,612 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2021-07-14 23:04:30,613 INFO L354 Elim1Store]: treesize reduction 38, result has 63.1 percent of original size [2021-07-14 23:04:30,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 53 treesize of output 89 [2021-07-14 23:04:30,627 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:30,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:30,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:30,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:30,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:30,981 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2021-07-14 23:04:30,981 INFO L354 Elim1Store]: treesize reduction 46, result has 55.3 percent of original size [2021-07-14 23:04:30,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 51 treesize of output 81 [2021-07-14 23:04:30,989 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:31,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:31,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:31,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:31,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:31,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:31,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:31,179 INFO L244 Elim1Store]: Index analysis took 112 ms [2021-07-14 23:04:31,370 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2021-07-14 23:04:31,370 INFO L354 Elim1Store]: treesize reduction 46, result has 55.3 percent of original size [2021-07-14 23:04:31,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 59 treesize of output 81 [2021-07-14 23:04:31,378 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:31,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:31,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:31,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:31,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:31,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:31,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:31,563 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-07-14 23:04:31,729 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 28 [2021-07-14 23:04:31,729 INFO L354 Elim1Store]: treesize reduction 56, result has 45.6 percent of original size [2021-07-14 23:04:31,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 71 [2021-07-14 23:04:31,734 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:31,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:31,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:31,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:31,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:31,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:31,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:31,921 INFO L244 Elim1Store]: Index analysis took 108 ms [2021-07-14 23:04:32,115 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2021-07-14 23:04:32,115 INFO L354 Elim1Store]: treesize reduction 40, result has 61.2 percent of original size [2021-07-14 23:04:32,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 53 treesize of output 87 [2021-07-14 23:04:32,124 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:32,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:32,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:32,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:32,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:32,510 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2021-07-14 23:04:32,510 INFO L354 Elim1Store]: treesize reduction 38, result has 63.1 percent of original size [2021-07-14 23:04:32,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 55 treesize of output 89 [2021-07-14 23:04:32,528 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:32,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:32,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:32,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:32,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:32,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:32,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:32,704 INFO L244 Elim1Store]: Index analysis took 111 ms [2021-07-14 23:04:32,884 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2021-07-14 23:04:32,884 INFO L354 Elim1Store]: treesize reduction 52, result has 49.5 percent of original size [2021-07-14 23:04:32,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 75 [2021-07-14 23:04:32,891 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:32,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:32,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:32,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:32,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:32,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:33,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:33,258 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2021-07-14 23:04:33,258 INFO L354 Elim1Store]: treesize reduction 38, result has 63.1 percent of original size [2021-07-14 23:04:33,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 89 [2021-07-14 23:04:33,269 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:33,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:33,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:33,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:33,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:33,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:33,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:33,443 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-07-14 23:04:33,643 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2021-07-14 23:04:33,644 INFO L354 Elim1Store]: treesize reduction 42, result has 59.2 percent of original size [2021-07-14 23:04:33,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 57 treesize of output 85 [2021-07-14 23:04:33,651 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:33,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:33,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:33,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:33,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:33,775 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:33,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:33,829 INFO L244 Elim1Store]: Index analysis took 112 ms [2021-07-14 23:04:34,020 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2021-07-14 23:04:34,021 INFO L354 Elim1Store]: treesize reduction 48, result has 53.4 percent of original size [2021-07-14 23:04:34,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 59 treesize of output 79 [2021-07-14 23:04:34,026 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:34,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:34,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:34,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:34,134 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:34,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:34,185 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:34,194 INFO L244 Elim1Store]: Index analysis took 101 ms [2021-07-14 23:04:34,416 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2021-07-14 23:04:34,417 INFO L354 Elim1Store]: treesize reduction 40, result has 61.2 percent of original size [2021-07-14 23:04:34,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 87 [2021-07-14 23:04:34,425 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:34,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:34,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:34,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:34,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:34,847 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2021-07-14 23:04:34,847 INFO L354 Elim1Store]: treesize reduction 54, result has 47.6 percent of original size [2021-07-14 23:04:34,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 61 treesize of output 73 [2021-07-14 23:04:34,855 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:34,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:34,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:34,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:34,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:35,175 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2021-07-14 23:04:35,176 INFO L354 Elim1Store]: treesize reduction 38, result has 63.1 percent of original size [2021-07-14 23:04:35,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 40 treesize of output 86 [2021-07-14 23:04:35,191 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:35,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:35,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:35,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:35,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:35,563 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2021-07-14 23:04:35,564 INFO L354 Elim1Store]: treesize reduction 46, result has 55.3 percent of original size [2021-07-14 23:04:35,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 59 treesize of output 81 [2021-07-14 23:04:35,570 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:35,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:35,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:35,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:35,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:35,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:35,739 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:35,746 INFO L244 Elim1Store]: Index analysis took 102 ms [2021-07-14 23:04:35,966 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 38 [2021-07-14 23:04:35,966 INFO L354 Elim1Store]: treesize reduction 38, result has 63.1 percent of original size [2021-07-14 23:04:35,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 57 treesize of output 89 [2021-07-14 23:04:35,975 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:36,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:36,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:36,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:36,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:36,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:36,119 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:36,389 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 38 [2021-07-14 23:04:36,390 INFO L354 Elim1Store]: treesize reduction 38, result has 63.1 percent of original size [2021-07-14 23:04:36,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 89 [2021-07-14 23:04:36,419 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:36,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:36,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:36,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:36,777 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 28 [2021-07-14 23:04:36,778 INFO L354 Elim1Store]: treesize reduction 54, result has 47.6 percent of original size [2021-07-14 23:04:36,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 57 treesize of output 73 [2021-07-14 23:04:36,783 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:36,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:36,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:36,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:37,113 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 28 [2021-07-14 23:04:37,114 INFO L354 Elim1Store]: treesize reduction 54, result has 47.6 percent of original size [2021-07-14 23:04:37,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 49 treesize of output 73 [2021-07-14 23:04:37,121 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:37,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:37,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:37,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:37,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:37,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:37,290 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:37,300 INFO L244 Elim1Store]: Index analysis took 109 ms [2021-07-14 23:04:37,489 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2021-07-14 23:04:37,489 INFO L354 Elim1Store]: treesize reduction 52, result has 49.5 percent of original size [2021-07-14 23:04:37,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 61 treesize of output 75 [2021-07-14 23:04:37,494 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:37,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:37,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:37,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:37,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:37,610 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:37,817 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2021-07-14 23:04:37,818 INFO L354 Elim1Store]: treesize reduction 40, result has 61.2 percent of original size [2021-07-14 23:04:37,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 59 treesize of output 87 [2021-07-14 23:04:37,824 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:48,507 WARN L205 SmtUtils]: Spent 10.68 s on a formula simplification. DAG size of input: 1248 DAG size of output: 1175 [2021-07-14 23:04:48,509 INFO L628 ElimStorePlain]: treesize reduction 237, result has 94.8 percent of original size [2021-07-14 23:04:48,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:48,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:48,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:48,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:48,671 INFO L244 Elim1Store]: Index analysis took 102 ms [2021-07-14 23:04:48,856 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 31 [2021-07-14 23:04:48,857 INFO L354 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2021-07-14 23:04:48,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 51 treesize of output 77 [2021-07-14 23:04:48,866 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:48,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:48,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:48,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:48,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:49,256 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2021-07-14 23:04:49,256 INFO L354 Elim1Store]: treesize reduction 28, result has 72.8 percent of original size [2021-07-14 23:04:49,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 55 treesize of output 99 [2021-07-14 23:04:49,286 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:49,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:49,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:49,378 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:49,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:49,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:49,421 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:49,676 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2021-07-14 23:04:49,676 INFO L354 Elim1Store]: treesize reduction 32, result has 68.9 percent of original size [2021-07-14 23:04:49,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 59 treesize of output 95 [2021-07-14 23:04:49,691 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:49,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:49,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:49,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:50,004 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2021-07-14 23:04:50,004 INFO L354 Elim1Store]: treesize reduction 34, result has 67.0 percent of original size [2021-07-14 23:04:50,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 40 treesize of output 90 [2021-07-14 23:04:50,038 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:50,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:50,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:50,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:50,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:50,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:50,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:50,211 INFO L244 Elim1Store]: Index analysis took 109 ms [2021-07-14 23:04:50,464 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2021-07-14 23:04:50,464 INFO L354 Elim1Store]: treesize reduction 34, result has 67.0 percent of original size [2021-07-14 23:04:50,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 53 treesize of output 93 [2021-07-14 23:04:50,490 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:50,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:50,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:50,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:50,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:50,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:50,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:50,838 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2021-07-14 23:04:50,839 INFO L354 Elim1Store]: treesize reduction 34, result has 67.0 percent of original size [2021-07-14 23:04:50,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 51 treesize of output 93 [2021-07-14 23:04:50,866 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:50,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:50,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:50,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:50,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:50,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:50,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:51,213 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 38 [2021-07-14 23:04:51,214 INFO L354 Elim1Store]: treesize reduction 36, result has 65.0 percent of original size [2021-07-14 23:04:51,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 53 treesize of output 91 [2021-07-14 23:04:51,228 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:51,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:51,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:51,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:51,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:51,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:51,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:51,395 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-07-14 23:04:51,623 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2021-07-14 23:04:51,624 INFO L354 Elim1Store]: treesize reduction 32, result has 68.9 percent of original size [2021-07-14 23:04:51,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 57 treesize of output 95 [2021-07-14 23:04:51,634 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:51,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:51,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:51,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:51,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:51,745 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:51,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:52,022 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2021-07-14 23:04:52,023 INFO L354 Elim1Store]: treesize reduction 32, result has 68.9 percent of original size [2021-07-14 23:04:52,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 57 treesize of output 95 [2021-07-14 23:04:52,049 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:52,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:52,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:52,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:52,382 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2021-07-14 23:04:52,382 INFO L354 Elim1Store]: treesize reduction 46, result has 55.3 percent of original size [2021-07-14 23:04:52,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 47 treesize of output 81 [2021-07-14 23:04:52,395 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:52,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:52,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:52,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:52,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:52,725 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-07-14 23:04:52,725 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:04:52,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 53 treesize of output 127 [2021-07-14 23:04:53,074 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:53,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:53,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:53,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:53,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:53,375 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 38 [2021-07-14 23:04:53,375 INFO L354 Elim1Store]: treesize reduction 36, result has 65.0 percent of original size [2021-07-14 23:04:53,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 44 treesize of output 88 [2021-07-14 23:04:53,390 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:53,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:53,460 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:53,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:53,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:53,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:53,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:53,689 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-07-14 23:04:53,689 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:04:53,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 51 treesize of output 127 [2021-07-14 23:04:54,064 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:54,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:54,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:54,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:54,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:54,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:54,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:54,262 INFO L244 Elim1Store]: Index analysis took 136 ms [2021-07-14 23:04:54,481 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2021-07-14 23:04:54,481 INFO L354 Elim1Store]: treesize reduction 32, result has 68.9 percent of original size [2021-07-14 23:04:54,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 95 [2021-07-14 23:04:54,510 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:54,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:54,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:54,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:54,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:54,846 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2021-07-14 23:04:54,847 INFO L354 Elim1Store]: treesize reduction 28, result has 72.8 percent of original size [2021-07-14 23:04:54,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 42 treesize of output 96 [2021-07-14 23:04:54,875 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:54,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:54,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:54,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:54,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:55,239 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2021-07-14 23:04:55,239 INFO L354 Elim1Store]: treesize reduction 32, result has 68.9 percent of original size [2021-07-14 23:04:55,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 53 treesize of output 95 [2021-07-14 23:04:55,256 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:55,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:55,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:55,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:55,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:55,620 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 38 [2021-07-14 23:04:55,621 INFO L354 Elim1Store]: treesize reduction 36, result has 65.0 percent of original size [2021-07-14 23:04:55,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 55 treesize of output 91 [2021-07-14 23:04:55,639 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:55,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:55,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:55,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:55,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:55,803 INFO L244 Elim1Store]: Index analysis took 105 ms [2021-07-14 23:04:56,023 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2021-07-14 23:04:56,023 INFO L354 Elim1Store]: treesize reduction 32, result has 68.9 percent of original size [2021-07-14 23:04:56,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 57 treesize of output 95 [2021-07-14 23:04:56,037 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:56,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:56,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:56,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:56,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:56,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:56,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:56,426 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 38 [2021-07-14 23:04:56,426 INFO L354 Elim1Store]: treesize reduction 36, result has 65.0 percent of original size [2021-07-14 23:04:56,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 91 [2021-07-14 23:04:56,435 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:56,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:56,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:56,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:56,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:56,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:56,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:56,770 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 31 [2021-07-14 23:04:56,771 INFO L354 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2021-07-14 23:04:56,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 57 treesize of output 77 [2021-07-14 23:04:56,778 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:56,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:56,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:56,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:57,183 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2021-07-14 23:04:57,183 INFO L354 Elim1Store]: treesize reduction 34, result has 67.0 percent of original size [2021-07-14 23:04:57,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 53 treesize of output 93 [2021-07-14 23:04:57,199 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:57,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:57,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:57,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:57,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:57,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:57,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:57,519 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-07-14 23:04:57,519 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:04:57,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 53 treesize of output 127 [2021-07-14 23:04:57,702 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:57,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:57,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:57,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:57,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:58,053 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 31 [2021-07-14 23:04:58,053 INFO L354 Elim1Store]: treesize reduction 52, result has 49.5 percent of original size [2021-07-14 23:04:58,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 57 treesize of output 75 [2021-07-14 23:04:58,060 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:58,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:58,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:58,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:58,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:58,374 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2021-07-14 23:04:58,374 INFO L354 Elim1Store]: treesize reduction 32, result has 68.9 percent of original size [2021-07-14 23:04:58,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 46 treesize of output 92 [2021-07-14 23:04:58,395 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:58,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:58,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:58,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:58,580 INFO L244 Elim1Store]: Index analysis took 121 ms [2021-07-14 23:04:58,795 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2021-07-14 23:04:58,795 INFO L354 Elim1Store]: treesize reduction 46, result has 55.3 percent of original size [2021-07-14 23:04:58,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 55 treesize of output 81 [2021-07-14 23:04:58,805 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:58,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:58,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:58,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:58,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:58,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:58,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:59,158 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2021-07-14 23:04:59,159 INFO L354 Elim1Store]: treesize reduction 46, result has 55.3 percent of original size [2021-07-14 23:04:59,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 53 treesize of output 81 [2021-07-14 23:04:59,170 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:59,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:59,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:59,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:59,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:59,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:59,344 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:59,344 INFO L244 Elim1Store]: Index analysis took 111 ms [2021-07-14 23:04:59,573 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2021-07-14 23:04:59,574 INFO L354 Elim1Store]: treesize reduction 46, result has 55.3 percent of original size [2021-07-14 23:04:59,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 81 [2021-07-14 23:04:59,588 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-07-14 23:04:59,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:59,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:59,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:59,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:04:59,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:59,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:04:59,771 INFO L244 Elim1Store]: Index analysis took 114 ms [2021-07-14 23:04:59,991 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 31 [2021-07-14 23:04:59,991 INFO L354 Elim1Store]: treesize reduction 48, result has 53.4 percent of original size [2021-07-14 23:04:59,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 79 [2021-07-14 23:05:00,001 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-07-14 23:05:00,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:05:00,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:05:00,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:05:00,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:05:00,181 INFO L244 Elim1Store]: Index analysis took 112 ms [2021-07-14 23:05:00,423 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2021-07-14 23:05:00,423 INFO L354 Elim1Store]: treesize reduction 32, result has 68.9 percent of original size [2021-07-14 23:05:00,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 59 treesize of output 95 [2021-07-14 23:05:00,440 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-07-14 23:05:00,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:05:00,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:05:00,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:05:00,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:05:00,721 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-07-14 23:05:00,721 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:05:00,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 35 treesize of output 121 [2021-07-14 23:05:01,736 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-07-14 23:05:01,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:05:01,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:05:01,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:05:01,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:05:01,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:05:01,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:05:01,938 INFO L244 Elim1Store]: Index analysis took 135 ms [2021-07-14 23:05:02,200 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2021-07-14 23:05:02,200 INFO L354 Elim1Store]: treesize reduction 28, result has 72.8 percent of original size [2021-07-14 23:05:02,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 99 [2021-07-14 23:05:02,222 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-07-14 23:05:02,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:05:02,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:05:02,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:05:02,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:05:02,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:05:02,582 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2021-07-14 23:05:02,583 INFO L354 Elim1Store]: treesize reduction 28, result has 72.8 percent of original size [2021-07-14 23:05:02,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 53 treesize of output 99 [2021-07-14 23:05:02,625 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-07-14 23:05:18,173 WARN L205 SmtUtils]: Spent 15.55 s on a formula simplification. DAG size of input: 1463 DAG size of output: 1149 [2021-07-14 23:05:18,175 INFO L628 ElimStorePlain]: treesize reduction 1693, result has 67.5 percent of original size [2021-07-14 23:05:19,051 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 234 [2021-07-14 23:05:19,054 INFO L550 ElimStorePlain]: Start of recursive call 1: 121 dim-0 vars, 2 dim-1 vars, End of recursive call: and 75 xjuncts. [2021-07-14 23:05:19,054 INFO L247 ElimStorePlain]: Needed 65 recursive calls to eliminate 123 variables, input treesize:4809, output treesize:4802 [2021-07-14 23:05:20,214 WARN L205 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 41 [2021-07-14 23:05:20,313 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:05:20,314 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453625141] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:05:20,314 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:05:20,314 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18] total 30 [2021-07-14 23:05:20,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559426698] [2021-07-14 23:05:20,314 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-14 23:05:20,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:05:20,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-14 23:05:20,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=781, Unknown=0, NotChecked=0, Total=870 [2021-07-14 23:05:20,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:05:20,315 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:05:20,315 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.1333333333333333) internal successors, (64), 30 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) [2021-07-14 23:05:20,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:05:20,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:05:20,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:05:20,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:05:20,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:05:20,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:05:20,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 23:05:20,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 23:05:20,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 23:05:20,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:05:20,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 23:05:20,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:05:20,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:05:20,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 23:05:20,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:05:20,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 23:05:20,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 23:05:20,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 23:05:20,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:05:20,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 23:05:20,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 23:05:20,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:05:21,419 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 51 [2021-07-14 23:05:21,735 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 53 [2021-07-14 23:05:22,081 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 59 [2021-07-14 23:05:22,475 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 79 [2021-07-14 23:05:22,849 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 62 [2021-07-14 23:05:23,379 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 83 [2021-07-14 23:05:23,625 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 56 [2021-07-14 23:05:27,085 WARN L205 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 160 DAG size of output: 100 [2021-07-14 23:05:27,527 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 80 [2021-07-14 23:05:28,011 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 80 [2021-07-14 23:05:32,141 WARN L205 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 356 DAG size of output: 278 [2021-07-14 23:05:36,986 WARN L205 SmtUtils]: Spent 4.69 s on a formula simplification. DAG size of input: 188 DAG size of output: 101 [2021-07-14 23:05:41,551 WARN L205 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 186 DAG size of output: 126 [2021-07-14 23:05:45,299 WARN L205 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 201 DAG size of output: 109 [2021-07-14 23:05:50,284 WARN L205 SmtUtils]: Spent 4.66 s on a formula simplification. DAG size of input: 382 DAG size of output: 302 [2021-07-14 23:05:56,417 WARN L205 SmtUtils]: Spent 5.83 s on a formula simplification. DAG size of input: 357 DAG size of output: 278 [2021-07-14 23:05:57,931 WARN L205 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 233 [2021-07-14 23:05:58,960 WARN L205 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 239 [2021-07-14 23:06:00,105 WARN L205 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 237 [2021-07-14 23:06:02,026 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 423 DAG size of output: 269 [2021-07-14 23:06:02,965 WARN L205 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 90 [2021-07-14 23:06:05,124 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 693 DAG size of output: 266 [2021-07-14 23:06:09,525 WARN L205 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 418 DAG size of output: 392 [2021-07-14 23:06:11,773 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 421 DAG size of output: 338 [2021-07-14 23:06:13,365 WARN L205 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 243 [2021-07-14 23:06:13,874 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2021-07-14 23:06:18,519 WARN L205 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 387 DAG size of output: 283 [2021-07-14 23:06:26,864 WARN L205 SmtUtils]: Spent 8.02 s on a formula simplification. DAG size of input: 359 DAG size of output: 282 [2021-07-14 23:07:02,065 WARN L205 SmtUtils]: Spent 35.03 s on a formula simplification. DAG size of input: 194 DAG size of output: 147 [2021-07-14 23:07:05,116 WARN L205 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 247 DAG size of output: 147 [2021-07-14 23:07:08,847 WARN L205 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 390 DAG size of output: 293 [2021-07-14 23:07:27,683 WARN L205 SmtUtils]: Spent 18.65 s on a formula simplification. DAG size of input: 210 DAG size of output: 145 [2021-07-14 23:07:40,638 WARN L205 SmtUtils]: Spent 12.76 s on a formula simplification. DAG size of input: 222 DAG size of output: 169 [2021-07-14 23:07:45,730 WARN L205 SmtUtils]: Spent 4.79 s on a formula simplification. DAG size of input: 418 DAG size of output: 327 [2021-07-14 23:07:49,702 WARN L205 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 391 DAG size of output: 293 [2021-07-14 23:07:51,291 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 334 DAG size of output: 236 [2021-07-14 23:07:53,785 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 720 DAG size of output: 268 [2021-07-14 23:07:53,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:07:53,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:07:53,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:07:53,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:07:53,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:07:53,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:07:53,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 23:07:53,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 23:07:53,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 23:07:53,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:07:53,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 23:07:53,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:07:53,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:07:53,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 23:07:53,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:07:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 23:07:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 23:07:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 23:07:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:07:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 23:07:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 23:07:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 23:07:54,196 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2061 [2021-07-14 23:07:54,196 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:07:54,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:07:54,196 INFO L82 PathProgramCache]: Analyzing trace with hash 200258003, now seen corresponding path program 10 times [2021-07-14 23:07:54,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:07:54,196 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751814158] [2021-07-14 23:07:54,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:07:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:07:54,273 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:07:54,273 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:07:54,273 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751814158] [2021-07-14 23:07:54,273 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751814158] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:07:54,273 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973164800] [2021-07-14 23:07:54,273 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 [2021-07-14 23:07:54,303 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 23:07:54,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:07:54,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 23:07:54,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:07:54,442 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:07:54,442 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973164800] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:07:54,442 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:07:54,442 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 20 [2021-07-14 23:07:54,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727699684] [2021-07-14 23:07:54,443 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-14 23:07:54,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:07:54,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-14 23:07:54,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2021-07-14 23:07:54,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:07:54,443 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:07:54,443 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:07:54,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:07:54,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:07:54,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:07:54,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:07:54,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:07:54,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:07:54,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 23:07:54,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 23:07:54,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 23:07:54,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:07:54,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 23:07:54,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:07:54,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:07:54,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 23:07:54,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:07:54,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 23:07:54,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 23:07:54,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 23:07:54,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:07:54,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 23:07:54,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 23:07:54,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 23:07:54,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:07:55,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:07:55,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:07:55,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:07:55,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:07:55,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:07:55,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:07:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 23:07:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 23:07:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 23:07:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:07:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 23:07:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:07:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:07:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 23:07:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:07:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 23:07:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 23:07:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 23:07:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:07:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 23:07:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 23:07:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 23:07:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 23:07:55,341 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3445,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:07:55,341 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:07:55,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:07:55,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1660974373, now seen corresponding path program 11 times [2021-07-14 23:07:55,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:07:55,342 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881140151] [2021-07-14 23:07:55,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:07:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:07:55,409 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:07:55,409 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:07:55,409 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881140151] [2021-07-14 23:07:55,409 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881140151] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:07:55,409 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198435348] [2021-07-14 23:07:55,409 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 [2021-07-14 23:07:55,440 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 23:07:55,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:07:55,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 23:07:55,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:07:55,588 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:07:55,588 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198435348] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:07:55,588 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:07:55,588 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-07-14 23:07:55,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667583956] [2021-07-14 23:07:55,589 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-14 23:07:55,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:07:55,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-14 23:07:55,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-07-14 23:07:55,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:07:55,590 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:07:55,590 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:07:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:07:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:07:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:07:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:07:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:07:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:07:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 23:07:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 23:07:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 23:07:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:07:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 23:07:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:07:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:07:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 23:07:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:07:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 23:07:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 23:07:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 23:07:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:07:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 23:07:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 23:07:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 23:07:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 23:07:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:07:56,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:07:56,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:07:56,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:07:56,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:07:56,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:07:56,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:07:56,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 23:07:56,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 23:07:56,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 23:07:56,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:07:56,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 23:07:56,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:07:56,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:07:56,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 23:07:56,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:07:56,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 23:07:56,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 23:07:56,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 23:07:56,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:07:56,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 23:07:56,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 23:07:56,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 23:07:56,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 23:07:56,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 23:07:56,327 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3446,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:07:56,327 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:07:56,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:07:56,327 INFO L82 PathProgramCache]: Analyzing trace with hash 605886841, now seen corresponding path program 12 times [2021-07-14 23:07:56,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:07:56,327 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72483135] [2021-07-14 23:07:56,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:07:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:07:56,673 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2021-07-14 23:07:56,809 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2021-07-14 23:07:57,071 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2021-07-14 23:07:57,200 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2021-07-14 23:07:57,424 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:07:57,425 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:07:57,425 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72483135] [2021-07-14 23:07:57,425 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72483135] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:07:57,425 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920676741] [2021-07-14 23:07:57,425 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 [2021-07-14 23:07:57,455 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 23:07:57,455 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:07:57,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 23:07:57,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:07:57,809 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-07-14 23:07:58,719 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-07-14 23:07:59,552 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2021-07-14 23:08:00,586 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2021-07-14 23:08:01,363 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2021-07-14 23:08:02,063 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2021-07-14 23:08:04,492 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 299 [2021-07-14 23:08:06,789 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 766 DAG size of output: 394 [2021-07-14 23:08:07,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:07,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:07,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:07,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:07,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 22 [2021-07-14 23:08:07,776 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 23:08:07,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:07,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:07,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:07,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:07,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 19 [2021-07-14 23:08:07,837 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 23:08:07,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:07,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:07,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:07,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:07,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 22 [2021-07-14 23:08:07,896 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 23:08:07,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:07,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:07,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:07,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:07,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 22 [2021-07-14 23:08:07,952 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 23:08:07,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:07,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:07,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:07,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-07-14 23:08:08,014 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 23:08:08,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,063 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 22 [2021-07-14 23:08:08,071 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 23:08:08,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 22 [2021-07-14 23:08:08,132 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 23:08:08,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,187 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 22 [2021-07-14 23:08:08,193 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 23:08:08,225 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 22 [2021-07-14 23:08:08,248 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 23:08:08,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,291 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 22 [2021-07-14 23:08:08,308 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 23:08:08,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 22 [2021-07-14 23:08:08,363 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 23:08:08,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,409 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 22 [2021-07-14 23:08:08,416 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 23:08:08,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 22 [2021-07-14 23:08:08,473 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 23:08:08,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 22 [2021-07-14 23:08:08,530 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 23:08:08,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 22 [2021-07-14 23:08:08,587 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 23:08:08,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:08,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:08,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 22 [2021-07-14 23:08:08,627 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 23:08:09,485 WARN L205 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 258 [2021-07-14 23:08:09,485 INFO L628 ElimStorePlain]: treesize reduction 677, result has 49.9 percent of original size [2021-07-14 23:08:09,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,504 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:09,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:09,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2021-07-14 23:08:09,516 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 23:08:09,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:09,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:09,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2021-07-14 23:08:09,546 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 23:08:09,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:09,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,567 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:09,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2021-07-14 23:08:09,591 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 23:08:09,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:09,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:09,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2021-07-14 23:08:09,617 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 23:08:09,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:09,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,639 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:09,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2021-07-14 23:08:09,645 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 23:08:09,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,658 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:09,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:09,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2021-07-14 23:08:09,670 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-14 23:08:09,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:09,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:09,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-07-14 23:08:09,697 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-14 23:08:09,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:08:09,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:08:09,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2021-07-14 23:08:09,717 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-14 23:08:09,936 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-07-14 23:08:09,937 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:08:09,948 INFO L550 ElimStorePlain]: Start of recursive call 1: 98 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-07-14 23:08:09,948 INFO L247 ElimStorePlain]: Needed 25 recursive calls to eliminate 100 variables, input treesize:2161, output treesize:57 [2021-07-14 23:08:10,053 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:08:10,053 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1920676741] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:08:10,053 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:08:10,053 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2021-07-14 23:08:10,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055857939] [2021-07-14 23:08:10,054 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 23:08:10,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:08:10,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 23:08:10,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2021-07-14 23:08:10,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:08:10,054 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:08:10,054 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.3703703703703702) internal successors, (64), 27 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) [2021-07-14 23:08:10,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:08:10,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:08:10,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:08:10,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:08:10,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:08:10,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:08:10,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 23:08:10,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 23:08:10,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 23:08:10,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:08:10,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 23:08:10,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:08:10,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:08:10,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 23:08:10,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:08:10,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 23:08:10,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 23:08:10,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 23:08:10,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:08:10,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 23:08:10,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 23:08:10,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 23:08:10,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 23:08:10,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 23:08:10,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:08:11,319 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 89 [2021-07-14 23:08:12,221 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 93 [2021-07-14 23:08:13,717 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 291 DAG size of output: 274 [2021-07-14 23:08:14,475 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2021-07-14 23:08:14,965 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2021-07-14 23:08:15,223 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 63 [2021-07-14 23:08:16,083 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 141 [2021-07-14 23:08:16,552 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 67 [2021-07-14 23:08:17,039 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 80 [2021-07-14 23:08:18,080 WARN L205 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 157 [2021-07-14 23:08:19,272 WARN L205 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 160 [2021-07-14 23:08:20,152 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-07-14 23:08:30,251 WARN L205 SmtUtils]: Spent 9.56 s on a formula simplification. DAG size of input: 579 DAG size of output: 324 [2021-07-14 23:08:31,932 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 322 DAG size of output: 282 [2021-07-14 23:08:32,849 WARN L205 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 145 [2021-07-14 23:08:35,976 WARN L205 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 280 DAG size of output: 235 [2021-07-14 23:08:36,832 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 104 [2021-07-14 23:08:40,657 WARN L205 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 428 DAG size of output: 313 [2021-07-14 23:08:43,431 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 283 DAG size of output: 231 [2021-07-14 23:08:45,982 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 295 DAG size of output: 241 [2021-07-14 23:08:51,765 WARN L205 SmtUtils]: Spent 5.19 s on a formula simplification. DAG size of input: 443 DAG size of output: 318 [2021-07-14 23:08:53,656 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 318 DAG size of output: 277 [2021-07-14 23:08:55,995 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 324 DAG size of output: 288 [2021-07-14 23:08:57,435 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 336 DAG size of output: 278 [2021-07-14 23:08:58,821 WARN L205 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 266 [2021-07-14 23:08:59,890 WARN L205 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 268 [2021-07-14 23:09:02,367 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 580 DAG size of output: 195 [2021-07-14 23:09:04,603 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 305 DAG size of output: 282 [2021-07-14 23:09:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:09:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:09:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:09:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:09:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:09:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:09:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 23:09:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 23:09:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 23:09:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:09:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 23:09:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:09:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:09:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 23:09:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:09:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 23:09:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 23:09:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 23:09:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:09:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 23:09:04,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 23:09:04,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 23:09:04,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 23:09:04,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 23:09:04,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 23:09:05,065 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3447 [2021-07-14 23:09:05,065 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:09:05,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:09:05,065 INFO L82 PathProgramCache]: Analyzing trace with hash 446227005, now seen corresponding path program 13 times [2021-07-14 23:09:05,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:09:05,065 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142577276] [2021-07-14 23:09:05,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:09:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:09:05,336 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2021-07-14 23:09:05,600 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 74 [2021-07-14 23:09:05,931 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 84 [2021-07-14 23:09:06,255 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2021-07-14 23:09:06,472 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:09:06,472 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:09:06,472 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142577276] [2021-07-14 23:09:06,472 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142577276] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:09:06,472 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961695635] [2021-07-14 23:09:06,472 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 [2021-07-14 23:09:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:09:06,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-14 23:09:06,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:09:07,375 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-07-14 23:09:08,008 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2021-07-14 23:09:09,204 WARN L205 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2021-07-14 23:09:10,361 WARN L205 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2021-07-14 23:09:11,004 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-07-14 23:09:11,530 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2021-07-14 23:09:12,128 INFO L446 ElimStorePlain]: Different costs {7=[v_prenex_490, v_prenex_492, v_prenex_494, v_prenex_496, v_prenex_498, v_prenex_488, v_prenex_511, v_prenex_501, v_prenex_513, v_prenex_503, v_prenex_515, A, v_prenex_505, v_prenex_507, v_prenex_509], 10=[v_prenex_486]} [2021-07-14 23:09:12,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:09:12,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:12,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:12,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:12,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:09:12,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 19 [2021-07-14 23:09:12,163 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 23:09:12,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:09:12,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:12,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:12,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:12,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 23:09:12,188 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 23:09:13,674 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 347 DAG size of output: 280 [2021-07-14 23:09:13,675 INFO L628 ElimStorePlain]: treesize reduction 870, result has 44.1 percent of original size [2021-07-14 23:09:13,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:09:13,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:13,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:13,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:13,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2021-07-14 23:09:13,693 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 23:09:14,055 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-07-14 23:09:14,055 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:09:14,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:09:14,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:14,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:14,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:14,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-07-14 23:09:14,074 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 23:09:14,416 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-07-14 23:09:14,416 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:09:14,430 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:09:14,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:14,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:14,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:14,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2021-07-14 23:09:14,434 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 23:09:14,763 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2021-07-14 23:09:14,763 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:09:14,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:14,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:14,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:14,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2021-07-14 23:09:14,780 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 23:09:15,094 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2021-07-14 23:09:15,094 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:09:15,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:15,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:15,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:15,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-07-14 23:09:15,112 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 23:09:15,410 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-07-14 23:09:15,410 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:09:15,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:09:15,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:15,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:15,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:15,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2021-07-14 23:09:15,429 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 23:09:15,703 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-07-14 23:09:15,703 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:09:15,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:15,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:15,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:15,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2021-07-14 23:09:15,719 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 23:09:15,982 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-07-14 23:09:15,982 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:09:15,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:15,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:15,995 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:09:15,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:15,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2021-07-14 23:09:15,998 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 23:09:16,241 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2021-07-14 23:09:16,241 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:09:16,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:16,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:16,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:16,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2021-07-14 23:09:16,256 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 23:09:16,486 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2021-07-14 23:09:16,487 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:09:16,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:16,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:09:16,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:16,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:16,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2021-07-14 23:09:16,502 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 23:09:16,718 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2021-07-14 23:09:16,718 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:09:16,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:16,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:16,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:16,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2021-07-14 23:09:16,732 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 23:09:16,936 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2021-07-14 23:09:16,937 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:09:16,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:16,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:09:16,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:16,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:16,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2021-07-14 23:09:16,951 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 23:09:17,140 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-07-14 23:09:17,140 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:09:17,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:17,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 23:09:17,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:17,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:17,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2021-07-14 23:09:17,156 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 23:09:17,332 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-07-14 23:09:17,332 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:09:17,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:17,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:17,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:17,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2021-07-14 23:09:17,344 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 23:09:17,499 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-07-14 23:09:17,500 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:09:17,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:17,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:17,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:17,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:17,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:17,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 23:09:17,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-07-14 23:09:17,514 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 23:09:17,658 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-07-14 23:09:17,658 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:09:17,669 INFO L550 ElimStorePlain]: Start of recursive call 1: 32 dim-0 vars, 16 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-07-14 23:09:17,669 INFO L247 ElimStorePlain]: Needed 18 recursive calls to eliminate 48 variables, input treesize:1641, output treesize:50 [2021-07-14 23:09:17,736 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:09:17,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961695635] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:09:17,737 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:09:17,737 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 26 [2021-07-14 23:09:17,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612526414] [2021-07-14 23:09:17,737 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 23:09:17,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:09:17,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 23:09:17,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=553, Unknown=0, NotChecked=0, Total=650 [2021-07-14 23:09:17,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:09:17,737 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:09:17,738 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 26 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) [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 23:09:17,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:09:17,934 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 33 [2021-07-14 23:09:18,188 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 46 [2021-07-14 23:09:18,526 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 41 [2021-07-14 23:09:18,836 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 55 [2021-07-14 23:09:19,126 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 54 [2021-07-14 23:09:19,943 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 52 [2021-07-14 23:09:20,509 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 63 [2021-07-14 23:09:22,329 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 210 DAG size of output: 203 [2021-07-14 23:09:23,639 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 209 DAG size of output: 150 [2021-07-14 23:09:24,710 WARN L205 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 137 [2021-07-14 23:09:26,138 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 269 DAG size of output: 160 [2021-07-14 23:09:27,319 WARN L205 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 206 [2021-07-14 23:09:29,500 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 220 DAG size of output: 117 [2021-07-14 23:09:30,880 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 167 DAG size of output: 100 [2021-07-14 23:09:32,501 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 262 DAG size of output: 99 [2021-07-14 23:09:33,079 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2021-07-14 23:09:33,614 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2021-07-14 23:09:34,678 WARN L205 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 197 [2021-07-14 23:09:34,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:09:34,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:09:34,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:09:34,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:09:34,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:09:34,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:09:34,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 23:09:34,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 23:09:34,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 23:09:34,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:09:34,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 23:09:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:09:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:09:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 23:09:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:09:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 23:09:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 23:09:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 23:09:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:09:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 23:09:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 23:09:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 23:09:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 23:09:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 23:09:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 23:09:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 23:09:35,070 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3480,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:09:35,071 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:09:35,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:09:35,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1598152613, now seen corresponding path program 14 times [2021-07-14 23:09:35,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:09:35,071 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192695658] [2021-07-14 23:09:35,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:09:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:09:35,146 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:09:35,146 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:09:35,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192695658] [2021-07-14 23:09:35,146 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192695658] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:09:35,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487200847] [2021-07-14 23:09:35,146 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 [2021-07-14 23:09:35,174 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 23:09:35,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:09:35,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 23:09:35,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:09:35,326 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:09:35,326 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [487200847] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:09:35,326 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:09:35,326 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2021-07-14 23:09:35,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115050931] [2021-07-14 23:09:35,326 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 23:09:35,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:09:35,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 23:09:35,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2021-07-14 23:09:35,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:09:35,327 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:09:35,327 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.5) internal successors, (55), 22 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:09:35,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:09:35,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:09:35,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:09:35,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:09:35,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:09:35,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:09:35,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 23:09:35,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 23:09:35,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 23:09:35,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:09:35,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 23:09:35,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:09:35,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 23:09:35,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 23:09:35,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:09:35,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 23:09:35,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 23:09:35,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 23:09:35,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 23:09:35,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 23:09:35,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 23:09:35,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 23:09:35,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 23:09:35,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 23:09:35,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 23:09:35,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 23:09:35,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:09:37,125 WARN L205 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 270 [2021-07-14 23:09:38,842 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 339 DAG size of output: 282 [2021-07-14 23:09:40,233 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 321 DAG size of output: 281 [2021-07-14 23:09:40,759 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-07-14 23:09:40,908 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-07-14 23:09:44,004 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 441 DAG size of output: 196 [2021-07-14 23:09:49,369 WARN L205 SmtUtils]: Spent 5.08 s on a formula simplification. DAG size of input: 420 DAG size of output: 298 [2021-07-14 23:09:53,358 WARN L205 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 431 DAG size of output: 316 [2021-07-14 23:09:56,552 WARN L205 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 434 DAG size of output: 204 [2021-07-14 23:10:00,595 WARN L205 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 393 DAG size of output: 296 [2021-07-14 23:10:01,102 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-07-14 23:10:01,465 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-07-14 23:10:01,965 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 106 [2021-07-14 23:10:02,447 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 99 [2021-07-14 23:10:02,655 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 67 [2021-07-14 23:10:08,707 WARN L205 SmtUtils]: Spent 5.81 s on a formula simplification. DAG size of input: 265 DAG size of output: 152 [2021-07-14 23:10:10,363 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-14 23:10:10,564 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3560 [2021-07-14 23:10:10,565 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: (error "out of memory") 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:184) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:159) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:111) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyNewStateReduction(PersistentSetReduction.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:185) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:193) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:509) 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) ... 54 more [2021-07-14 23:10:10,568 INFO L168 Benchmark]: Toolchain (without parser) took 665475.11 ms. Allocated memory was 184.5 MB in the beginning and 746.6 MB in the end (delta: 562.0 MB). Free memory was 164.7 MB in the beginning and 312.8 MB in the end (delta: -148.0 MB). Peak memory consumption was 414.8 MB. Max. memory is 8.0 GB. [2021-07-14 23:10:10,568 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 184.5 MB. Free memory is still 165.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 23:10:10,568 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.62 ms. Allocated memory is still 184.5 MB. Free memory was 164.6 MB in the beginning and 163.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 23:10:10,568 INFO L168 Benchmark]: Boogie Preprocessor took 10.48 ms. Allocated memory is still 184.5 MB. Free memory was 163.2 MB in the beginning and 162.2 MB in the end (delta: 935.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 23:10:10,568 INFO L168 Benchmark]: RCFGBuilder took 292.95 ms. Allocated memory is still 184.5 MB. Free memory was 162.1 MB in the beginning and 149.3 MB in the end (delta: 12.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-14 23:10:10,568 INFO L168 Benchmark]: TraceAbstraction took 665147.89 ms. Allocated memory was 184.5 MB in the beginning and 746.6 MB in the end (delta: 562.0 MB). Free memory was 148.8 MB in the beginning and 312.8 MB in the end (delta: -163.9 MB). Peak memory consumption was 399.1 MB. Max. memory is 8.0 GB. [2021-07-14 23:10:10,569 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 0.09 ms. Allocated memory is still 184.5 MB. Free memory is still 165.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 19.62 ms. Allocated memory is still 184.5 MB. Free memory was 164.6 MB in the beginning and 163.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.48 ms. Allocated memory is still 184.5 MB. Free memory was 163.2 MB in the beginning and 162.2 MB in the end (delta: 935.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 292.95 ms. Allocated memory is still 184.5 MB. Free memory was 162.1 MB in the beginning and 149.3 MB in the end (delta: 12.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 665147.89 ms. Allocated memory was 184.5 MB in the beginning and 746.6 MB in the end (delta: 562.0 MB). Free memory was 148.8 MB in the beginning and 312.8 MB in the end (delta: -163.9 MB). Peak memory consumption was 399.1 MB. 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: (error "out of memory") 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: (error "out of memory") : 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...