/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-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 14:04:44,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 14:04:44,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 14:04:44,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 14:04:44,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 14:04:44,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 14:04:44,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 14:04:44,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 14:04:44,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 14:04:44,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 14:04:44,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 14:04:44,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 14:04:44,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 14:04:44,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 14:04:44,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 14:04:44,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 14:04:44,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 14:04:44,703 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-14 14:04:44,723 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 14:04:44,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 14:04:44,724 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 14:04:44,724 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 14:04:44,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 14:04:44,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 14:04:44,725 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 14:04:44,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 14:04:44,726 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 14:04:44,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 14:04:44,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 14:04:44,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 14:04:44,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 14:04:44,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 14:04:44,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 14:04:44,727 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 14:04:44,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 14:04:44,727 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 14:04:44,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 14:04:44,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 14:04:44,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 14:04:44,728 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 14:04:44,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 14:04:44,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 14:04:44,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 14:04:44,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 14:04:44,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 14:04:44,728 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 14:04:44,729 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 14:04:44,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 14:04:44,729 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 14:04:44,729 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 14:04:44,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 14:04:44,729 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 14:04:44,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 14:04:45,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 14:04:45,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 14:04:45,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 14:04:45,045 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 14:04:45,046 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 14:04:45,047 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl [2021-07-14 14:04:45,047 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl' [2021-07-14 14:04:45,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 14:04:45,122 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 14:04:45,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 14:04:45,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 14:04:45,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 14:04:45,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:04:45" (1/1) ... [2021-07-14 14:04:45,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:04:45" (1/1) ... [2021-07-14 14:04:45,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 14:04:45,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 14:04:45,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 14:04:45,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 14:04:45,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:04:45" (1/1) ... [2021-07-14 14:04:45,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:04:45" (1/1) ... [2021-07-14 14:04:45,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:04:45" (1/1) ... [2021-07-14 14:04:45,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:04:45" (1/1) ... [2021-07-14 14:04:45,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:04:45" (1/1) ... [2021-07-14 14:04:45,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:04:45" (1/1) ... [2021-07-14 14:04:45,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:04:45" (1/1) ... [2021-07-14 14:04:45,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 14:04:45,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 14:04:45,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 14:04:45,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 14:04:45,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:04:45" (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 14:04:45,224 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 14:04:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 14:04:45,225 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 14:04:45,225 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 14:04:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 14:04:45,225 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 14:04:45,225 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 14:04:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 14:04:45,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 14:04:45,226 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 14:04:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 14:04:45,226 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 14:04:45,226 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 14:04:45,376 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 14:04:45,376 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 14:04:45,378 INFO L202 PluginConnector]: Adding new model min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:04:45 BoogieIcfgContainer [2021-07-14 14:04:45,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 14:04:45,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 14:04:45,380 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 14:04:45,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 14:04:45,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 02:04:45" (1/2) ... [2021-07-14 14:04:45,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@169a1ae6 and model type min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:04:45, skipping insertion in model container [2021-07-14 14:04:45,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:04:45" (2/2) ... [2021-07-14 14:04:45,385 INFO L111 eAbstractionObserver]: Analyzing ICFG min-fun.wvr.bpl [2021-07-14 14:04:45,389 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 14:04:45,389 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 14:04:45,389 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 14:04:45,390 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 14:04:45,419 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 14:04:45,438 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 14:04:45,547 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 14:04:45,547 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 14:04:45,548 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 14:04:45,548 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 14:04:45,548 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 14:04:45,548 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 14:04:45,548 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 14:04:45,548 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 14:04:45,667 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:04:45,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:04:45,675 INFO L82 PathProgramCache]: Analyzing trace with hash 107147796, now seen corresponding path program 1 times [2021-07-14 14:04:45,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:04:45,682 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571571404] [2021-07-14 14:04:45,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:04:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:04:45,893 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 14:04:45,893 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:04:45,893 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571571404] [2021-07-14 14:04:45,894 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571571404] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 14:04:45,894 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 14:04:45,894 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 14:04:45,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710616262] [2021-07-14 14:04:45,898 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 14:04:45,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:04:45,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 14:04:45,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 14:04:45,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:04:45,917 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:04:45,919 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 14:04:45,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:04:45,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:04:45,948 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 14:04:45,949 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:04:45,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:04:45,952 INFO L82 PathProgramCache]: Analyzing trace with hash 597095090, now seen corresponding path program 1 times [2021-07-14 14:04:45,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:04:45,953 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212340300] [2021-07-14 14:04:45,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:04:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:04:46,021 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 14:04:46,022 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:04:46,022 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212340300] [2021-07-14 14:04:46,022 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212340300] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 14:04:46,023 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 14:04:46,023 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 14:04:46,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687040195] [2021-07-14 14:04:46,024 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 14:04:46,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:04:46,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 14:04:46,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 14:04:46,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:04:46,030 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:04:46,030 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 14:04:46,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:04:46,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:04:46,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:04:46,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:04:46,086 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 14:04:46,086 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:04:46,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:04:46,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1592437936, now seen corresponding path program 1 times [2021-07-14 14:04:46,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:04:46,087 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695464233] [2021-07-14 14:04:46,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:04:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:04:46,570 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 14:04:46,571 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:04:46,571 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695464233] [2021-07-14 14:04:46,571 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695464233] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:04:46,571 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944671937] [2021-07-14 14:04:46,571 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 14:04:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:04:46,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 14:04:46,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:04:47,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-14 14:04:47,046 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:47,054 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 14:04:47,057 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:47,060 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 14:04:47,068 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:47,072 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 11 treesize of output 7 [2021-07-14 14:04:47,074 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:47,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2021-07-14 14:04:47,082 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:47,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2021-07-14 14:04:47,090 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:47,094 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 18 treesize of output 12 [2021-07-14 14:04:47,102 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:47,105 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 14:04:47,106 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:47,160 INFO L628 ElimStorePlain]: treesize reduction 24, result has 61.9 percent of original size [2021-07-14 14:04:47,166 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 14:04:47,167 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:239, output treesize:23 [2021-07-14 14:04:47,227 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 14:04:47,228 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944671937] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:04:47,228 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:04:47,228 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-14 14:04:47,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180267791] [2021-07-14 14:04:47,229 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 14:04:47,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:04:47,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 14:04:47,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-07-14 14:04:47,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:04:47,231 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:04:47,231 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 0 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 14:04:47,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:04:47,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:04:47,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:04:47,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:04:47,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:04:47,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:04:47,672 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:04:47,673 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:04:47,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:04:47,674 INFO L82 PathProgramCache]: Analyzing trace with hash 217830638, now seen corresponding path program 2 times [2021-07-14 14:04:47,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:04:47,674 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924118559] [2021-07-14 14:04:47,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:04:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:04:47,747 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 14:04:47,748 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:04:47,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924118559] [2021-07-14 14:04:47,748 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924118559] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:04:47,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770567119] [2021-07-14 14:04:47,748 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 14:04:47,785 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 14:04:47,785 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:04:47,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 14:04:47,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:04:47,903 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 14:04:47,904 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770567119] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:04:47,904 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:04:47,904 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-14 14:04:47,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424829770] [2021-07-14 14:04:47,904 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 14:04:47,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:04:47,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 14:04:47,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-07-14 14:04:47,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:04:47,905 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:04:47,906 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 14:04:47,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:04:47,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:04:47,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:04:47,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:04:48,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:04:48,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:04:48,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:04:48,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:04:48,332 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-07-14 14:04:48,332 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:04:48,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:04:48,333 INFO L82 PathProgramCache]: Analyzing trace with hash -537545550, now seen corresponding path program 1 times [2021-07-14 14:04:48,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:04:48,333 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145403241] [2021-07-14 14:04:48,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:04:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:04:48,400 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 14:04:48,401 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:04:48,401 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145403241] [2021-07-14 14:04:48,401 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145403241] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:04:48,401 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548454526] [2021-07-14 14:04:48,401 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 14:04:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:04:48,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 14:04:48,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:04:48,545 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 14:04:48,545 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548454526] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:04:48,545 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:04:48,545 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-14 14:04:48,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479015306] [2021-07-14 14:04:48,546 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 14:04:48,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:04:48,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 14:04:48,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-07-14 14:04:48,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:04:48,547 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:04:48,547 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 0 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 14:04:48,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:04:48,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:04:48,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:04:48,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:04:48,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:04:48,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:04:48,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:04:48,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:04:48,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:04:48,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:04:48,884 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:04:48,885 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:04:48,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:04:48,885 INFO L82 PathProgramCache]: Analyzing trace with hash -246413360, now seen corresponding path program 2 times [2021-07-14 14:04:48,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:04:48,886 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698451035] [2021-07-14 14:04:48,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:04:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:04:49,547 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 58 [2021-07-14 14:04:49,890 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 66 [2021-07-14 14:04:50,210 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2021-07-14 14:04:50,415 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 52 [2021-07-14 14:04:50,635 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 50 [2021-07-14 14:04:50,805 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 14:04:50,805 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:04:50,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698451035] [2021-07-14 14:04:50,805 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698451035] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:04:50,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299823722] [2021-07-14 14:04:50,806 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 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 14:04:50,851 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 14:04:50,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:04:50,852 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-14 14:04:50,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:04:52,417 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-07-14 14:04:53,902 INFO L446 ElimStorePlain]: Different costs {7=[A, v_prenex_43, v_prenex_41, v_prenex_25, v_prenex_35, v_prenex_45, v_prenex_29, v_prenex_18, v_prenex_39, v_prenex_16, v_prenex_27], 10=[v_prenex_31, v_prenex_20, v_prenex_23, v_prenex_33, v_prenex_37]} [2021-07-14 14:04:53,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:53,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:54,063 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 27 [2021-07-14 14:04:54,063 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-14 14:04:54,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-07-14 14:04:54,078 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:54,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:54,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:54,157 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-07-14 14:04:54,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 34 [2021-07-14 14:04:54,160 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:57,741 WARN L205 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 372 DAG size of output: 371 [2021-07-14 14:04:57,742 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.8 percent of original size [2021-07-14 14:04:57,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:57,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:57,858 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-14 14:04:57,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-07-14 14:04:57,865 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:57,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:57,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:57,928 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-14 14:04:57,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-07-14 14:04:57,931 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:59,744 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 364 [2021-07-14 14:04:59,745 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:59,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:59,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:59,830 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:04:59,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-07-14 14:04:59,842 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 14:04:59,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:59,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:04:59,936 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-07-14 14:04:59,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 62 [2021-07-14 14:04:59,957 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:01,699 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 353 [2021-07-14 14:05:01,700 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:01,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:01,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:01,780 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-14 14:05:01,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 39 [2021-07-14 14:05:01,784 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:01,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:01,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:01,848 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-07-14 14:05:01,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 42 [2021-07-14 14:05:01,855 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:04,277 WARN L205 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 341 [2021-07-14 14:05:04,278 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:04,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:04,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:04,389 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-07-14 14:05:04,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-07-14 14:05:04,406 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:04,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:04,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:04,502 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-07-14 14:05:04,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 40 [2021-07-14 14:05:04,509 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:06,741 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 332 [2021-07-14 14:05:06,742 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:06,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:06,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:06,855 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-07-14 14:05:06,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 48 [2021-07-14 14:05:06,865 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:06,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:06,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:06,961 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-14 14:05:06,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-07-14 14:05:06,994 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:08,958 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 324 [2021-07-14 14:05:08,958 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:08,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:08,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:09,084 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-14 14:05:09,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-07-14 14:05:09,095 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:09,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:09,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:09,211 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-14 14:05:09,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-07-14 14:05:09,229 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:11,088 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 311 [2021-07-14 14:05:11,088 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:11,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:11,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:11,199 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-14 14:05:11,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 54 [2021-07-14 14:05:11,210 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:11,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:11,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:11,441 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-07-14 14:05:11,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-07-14 14:05:11,446 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:13,270 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 300 [2021-07-14 14:05:13,271 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:13,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:13,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:13,360 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-07-14 14:05:13,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 38 [2021-07-14 14:05:13,363 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:13,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:13,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:13,526 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-07-14 14:05:13,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-07-14 14:05:13,528 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:15,188 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 289 [2021-07-14 14:05:15,189 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:15,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:15,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:15,280 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-07-14 14:05:15,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 48 [2021-07-14 14:05:15,289 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:15,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:15,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:15,371 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:15,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-07-14 14:05:15,381 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:18,930 WARN L205 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 281 DAG size of output: 275 [2021-07-14 14:05:18,931 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.2 percent of original size [2021-07-14 14:05:18,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:19,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:19,065 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-14 14:05:19,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-07-14 14:05:19,072 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:19,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:19,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:19,164 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-07-14 14:05:19,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-07-14 14:05:19,184 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:20,695 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 263 [2021-07-14 14:05:20,695 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:20,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:20,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:20,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:20,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:20,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:20,774 INFO L354 Elim1Store]: treesize reduction 16, result has 68.6 percent of original size [2021-07-14 14:05:20,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 53 [2021-07-14 14:05:20,805 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:20,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:20,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:20,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:20,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:20,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:20,940 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-07-14 14:05:20,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 54 [2021-07-14 14:05:20,950 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:22,561 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 255 [2021-07-14 14:05:22,562 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:22,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:22,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:22,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:22,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:22,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:22,647 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:22,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 66 [2021-07-14 14:05:22,667 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:22,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:22,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:22,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:22,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:22,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:22,729 INFO L354 Elim1Store]: treesize reduction 34, result has 33.3 percent of original size [2021-07-14 14:05:22,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 37 treesize of output 35 [2021-07-14 14:05:22,732 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:24,159 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 241 [2021-07-14 14:05:24,160 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:24,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:24,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:24,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:24,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:24,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:24,237 INFO L354 Elim1Store]: treesize reduction 32, result has 37.3 percent of original size [2021-07-14 14:05:24,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 40 [2021-07-14 14:05:24,241 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:24,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:24,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:24,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:24,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:24,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:24,299 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-07-14 14:05:24,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 41 [2021-07-14 14:05:24,318 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:26,047 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 233 [2021-07-14 14:05:26,047 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:26,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:26,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:26,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:26,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:26,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:26,120 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-07-14 14:05:26,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 43 treesize of output 41 [2021-07-14 14:05:26,143 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:26,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:26,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:26,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:26,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:26,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:26,240 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-07-14 14:05:26,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 54 [2021-07-14 14:05:26,248 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:27,567 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 221 [2021-07-14 14:05:27,567 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:27,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:27,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:27,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:27,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:27,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:27,668 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-07-14 14:05:27,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 54 [2021-07-14 14:05:27,677 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:27,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:27,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:27,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:27,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:27,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:05:27,733 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-07-14 14:05:27,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 43 treesize of output 41 [2021-07-14 14:05:27,739 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-14 14:05:28,947 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 209 [2021-07-14 14:05:28,947 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:05:29,247 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-07-14 14:05:29,248 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2333, output treesize:2349 [2021-07-14 14:05:30,353 WARN L205 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 77 [2021-07-14 14:05:30,541 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 14:05:30,542 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299823722] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:05:30,542 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:05:30,542 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-07-14 14:05:30,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104909201] [2021-07-14 14:05:30,542 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 14:05:30,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:05:30,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 14:05:30,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-07-14 14:05:30,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:05:30,544 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:05:30,544 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 25 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 14:05:30,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:05:30,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:05:30,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:05:30,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:05:30,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:05:30,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:05:30,827 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 35 [2021-07-14 14:05:31,138 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 53 [2021-07-14 14:05:31,441 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 68 [2021-07-14 14:05:31,753 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 67 [2021-07-14 14:05:32,332 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 103 [2021-07-14 14:05:32,739 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 71 [2021-07-14 14:05:32,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:05:32,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:05:32,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:05:32,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:05:32,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:05:32,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 14:05:33,032 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-14 14:05:33,032 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:05:33,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:05:33,033 INFO L82 PathProgramCache]: Analyzing trace with hash 358746990, now seen corresponding path program 3 times [2021-07-14 14:05:33,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:05:33,033 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933837908] [2021-07-14 14:05:33,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:05:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:05:33,192 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 14:05:33,193 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:05:33,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933837908] [2021-07-14 14:05:33,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933837908] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:05:33,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282225182] [2021-07-14 14:05:33,193 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 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 14:05:33,241 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 14:05:33,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:05:33,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 14:05:33,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:05:33,420 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 14:05:33,420 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282225182] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:05:33,421 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:05:33,421 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-07-14 14:05:33,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475635977] [2021-07-14 14:05:33,422 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-14 14:05:33,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:05:33,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-14 14:05:33,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-07-14 14:05:33,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:05:33,423 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:05:33,424 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 14:05:33,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:05:33,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:05:33,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:05:33,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:05:33,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:05:33,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 14:05:33,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:05:33,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:05:33,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:05:33,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:05:33,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:05:33,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:05:33,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 14:05:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:05:34,076 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable278 [2021-07-14 14:05:34,076 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:05:34,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:05:34,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1163701042, now seen corresponding path program 4 times [2021-07-14 14:05:34,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:05:34,077 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666035388] [2021-07-14 14:05:34,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:05:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:05:34,305 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 14:05:34,306 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:05:34,306 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666035388] [2021-07-14 14:05:34,306 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666035388] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:05:34,306 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692928602] [2021-07-14 14:05:34,306 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 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 14:05:34,389 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 14:05:34,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:05:34,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 14:05:34,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:05:34,662 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 14:05:34,662 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692928602] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:05:34,662 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:05:34,663 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-07-14 14:05:34,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227791721] [2021-07-14 14:05:34,663 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 14:05:34,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:05:34,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 14:05:34,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-07-14 14:05:34,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:05:34,664 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:05:34,664 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 17 states have internal predecessors, (50), 0 states have call successors, (0), 0 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 14:05:34,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:05:34,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:05:34,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:05:34,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:05:34,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:05:34,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 14:05:34,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:05:34,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:05:34,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:05:34,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:05:34,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:05:34,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:05:34,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:05:34,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 14:05:34,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:05:34,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 14:05:35,188 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable279 [2021-07-14 14:05:35,188 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:05:35,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:05:35,189 INFO L82 PathProgramCache]: Analyzing trace with hash -323420080, now seen corresponding path program 5 times [2021-07-14 14:05:35,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:05:35,189 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575760713] [2021-07-14 14:05:35,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:05:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:05:36,487 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 112 [2021-07-14 14:05:36,815 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 49 [2021-07-14 14:05:37,048 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 150 [2021-07-14 14:05:37,836 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 69 [2021-07-14 14:05:38,338 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 213 [2021-07-14 14:05:39,473 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 213 DAG size of output: 100 [2021-07-14 14:05:40,009 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 221 [2021-07-14 14:05:41,212 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 221 DAG size of output: 131 [2021-07-14 14:05:41,728 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 215 [2021-07-14 14:05:42,975 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 215 DAG size of output: 126 [2021-07-14 14:05:43,398 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 196 [2021-07-14 14:05:44,800 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 196 DAG size of output: 129 [2021-07-14 14:05:45,031 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 163 [2021-07-14 14:05:45,606 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 76 [2021-07-14 14:05:45,735 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 112 [2021-07-14 14:05:45,968 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 40 [2021-07-14 14:05:46,099 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 110 [2021-07-14 14:05:46,350 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 38 [2021-07-14 14:05:46,575 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:05:46,575 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:05:46,575 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575760713] [2021-07-14 14:05:46,575 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575760713] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:05:46,576 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872422959] [2021-07-14 14:05:46,576 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 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 14:05:46,638 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 14:05:46,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:05:46,639 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 14:05:46,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:05:47,202 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-07-14 14:05:49,194 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 122 [2021-07-14 14:05:51,519 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 322 [2021-07-14 14:05:56,553 WARN L205 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 360 DAG size of output: 326 [2021-07-14 14:06:01,391 WARN L205 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 366 DAG size of output: 330 [2021-07-14 14:06:06,537 WARN L205 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 372 DAG size of output: 334 [2021-07-14 14:06:08,671 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 333 [2021-07-14 14:06:11,833 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 329 DAG size of output: 323 [2021-07-14 14:06:13,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:13,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:13,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:13,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:13,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:13,291 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:13,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 22 [2021-07-14 14:06:13,314 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:13,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:13,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:13,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:13,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:13,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:13,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-07-14 14:06:13,371 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:22,594 WARN L205 SmtUtils]: Spent 9.22 s on a formula simplification. DAG size of input: 761 DAG size of output: 696 [2021-07-14 14:06:22,596 INFO L628 ElimStorePlain]: treesize reduction 1144, result has 69.2 percent of original size [2021-07-14 14:06:22,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:22,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:22,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:22,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:22,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:22,655 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:22,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-14 14:06:22,680 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:22,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:22,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:22,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:22,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:22,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-14 14:06:22,730 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:25,513 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification that was a NOOP. DAG size: 682 [2021-07-14 14:06:25,514 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:25,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:25,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:25,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:25,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:25,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:25,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 14:06:25,567 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:28,485 WARN L205 SmtUtils]: Spent 2.92 s on a formula simplification that was a NOOP. DAG size: 670 [2021-07-14 14:06:28,486 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:28,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:28,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:28,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:28,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:28,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:28,522 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:28,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-07-14 14:06:28,553 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:28,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:28,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:28,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:28,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:28,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-14 14:06:28,602 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:31,522 WARN L205 SmtUtils]: Spent 2.92 s on a formula simplification that was a NOOP. DAG size: 656 [2021-07-14 14:06:31,523 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:31,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:31,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:31,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:31,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:31,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:31,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:31,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-07-14 14:06:31,576 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:31,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:31,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:31,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:31,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:31,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-14 14:06:31,611 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:34,334 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 641 [2021-07-14 14:06:34,335 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:34,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:34,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:34,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:34,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:34,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:34,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-14 14:06:34,369 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:37,008 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification that was a NOOP. DAG size: 627 [2021-07-14 14:06:37,008 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:37,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:37,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:37,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:37,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:37,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:37,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 14:06:37,045 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:39,608 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification that was a NOOP. DAG size: 612 [2021-07-14 14:06:39,608 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:39,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:39,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:39,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:39,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:39,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:39,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 14:06:39,643 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:42,093 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification that was a NOOP. DAG size: 599 [2021-07-14 14:06:42,094 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:42,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:42,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:42,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:42,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:42,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 14:06:42,147 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:42,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:42,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:42,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:42,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:42,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:42,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-14 14:06:42,180 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:44,605 WARN L205 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 582 [2021-07-14 14:06:44,605 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:44,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:44,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:44,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:44,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:44,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:44,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 14:06:44,639 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:46,793 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 568 [2021-07-14 14:06:46,794 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:46,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:46,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:46,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:46,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:46,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 14:06:46,845 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:46,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:46,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:46,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:46,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:46,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:46,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-14 14:06:46,877 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:48,913 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 553 [2021-07-14 14:06:48,914 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:48,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:48,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:48,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:48,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:48,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:48,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-14 14:06:48,944 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:50,945 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 538 [2021-07-14 14:06:50,946 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:50,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:50,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:50,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:50,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:50,976 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:50,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-14 14:06:50,978 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:53,011 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 523 [2021-07-14 14:06:53,012 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:53,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:53,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:53,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:53,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:53,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:53,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:53,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-14 14:06:53,058 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:53,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:53,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:53,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:53,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:53,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-07-14 14:06:53,087 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:54,950 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 506 [2021-07-14 14:06:54,951 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:54,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:54,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:54,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:54,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:54,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:54,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:54,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-07-14 14:06:55,005 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:55,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:55,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:55,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:55,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:55,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-07-14 14:06:55,037 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:56,815 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 489 [2021-07-14 14:06:56,815 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:56,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:56,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:56,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:56,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:56,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:56,842 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:56,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:56,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:56,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-07-14 14:06:56,863 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:56,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:56,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:56,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:56,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:56,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-07-14 14:06:56,893 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:58,537 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 472 [2021-07-14 14:06:58,537 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:06:58,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:58,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:58,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:58,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:58,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 14:06:58,588 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-14 14:06:58,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:06:58,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:58,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:58,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:58,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:06:58,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-14 14:06:58,616 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-14 14:07:00,152 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 455 [2021-07-14 14:07:00,152 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:07:00,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:00,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:00,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:00,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:00,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-14 14:07:00,196 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-14 14:07:00,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:00,222 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:07:00,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:00,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:00,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:00,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-07-14 14:07:00,239 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-14 14:07:01,668 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 438 [2021-07-14 14:07:01,668 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:07:01,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:07:01,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:01,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:01,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:01,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:01,693 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:07:01,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-14 14:07:01,707 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-14 14:07:01,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:01,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:01,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:01,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:01,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 14:07:01,739 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-14 14:07:03,041 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 421 [2021-07-14 14:07:03,042 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:07:03,042 INFO L518 ElimStorePlain]: Eliminatee v_prenex_132 vanished before elimination [2021-07-14 14:07:03,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:07:03,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:03,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:03,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:03,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:03,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 14:07:03,069 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-14 14:07:04,339 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 406 [2021-07-14 14:07:04,339 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:07:04,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:07:04,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:04,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:04,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:04,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:04,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-14 14:07:04,364 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-14 14:07:05,670 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 391 [2021-07-14 14:07:05,670 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:07:05,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:07:05,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:05,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:05,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:05,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:05,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:07:05,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-14 14:07:05,715 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-14 14:07:05,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:05,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:05,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:05,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:05,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 14:07:05,748 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-14 14:07:06,893 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 374 [2021-07-14 14:07:06,894 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:07:06,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:07:06,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:06,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:06,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:06,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:06,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:07:06,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-14 14:07:06,929 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-14 14:07:06,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:06,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:06,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:06,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:06,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 14:07:06,965 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-14 14:07:07,999 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 357 [2021-07-14 14:07:07,999 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:07:08,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:07:08,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:08,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:08,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:08,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:08,021 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:07:08,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 14:07:08,033 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-14 14:07:08,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:08,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:08,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:08,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:08,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 14:07:08,057 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-14 14:07:09,024 WARN L205 SmtUtils]: Spent 966.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2021-07-14 14:07:09,025 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:07:09,046 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:07:09,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:09,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:09,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:09,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:09,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-14 14:07:09,053 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-14 14:07:09,994 WARN L205 SmtUtils]: Spent 940.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2021-07-14 14:07:09,995 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:07:10,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:07:10,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:10,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:10,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:10,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:10,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-14 14:07:10,018 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-14 14:07:10,909 WARN L205 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2021-07-14 14:07:10,910 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:07:10,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:10,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:10,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:07:10,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:10,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:10,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:10,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:07:10,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-14 14:07:10,944 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-14 14:07:10,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:10,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:10,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:10,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:10,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 14:07:10,968 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-14 14:07:11,784 WARN L205 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-07-14 14:07:11,784 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:07:11,815 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:07:11,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:11,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:11,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:11,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:11,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 14:07:11,822 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-14 14:07:12,611 WARN L205 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2021-07-14 14:07:12,611 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:07:12,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:07:12,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:12,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:12,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:12,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:12,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-07-14 14:07:12,633 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-14 14:07:13,394 WARN L205 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-07-14 14:07:13,394 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:07:13,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:07:13,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:13,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:13,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:13,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:13,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 14:07:13,413 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-14 14:07:14,163 WARN L205 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2021-07-14 14:07:14,163 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:07:14,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 14:07:14,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:14,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:14,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:14,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 14:07:14,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 14:07:14,185 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-14 14:07:14,880 WARN L205 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2021-07-14 14:07:14,881 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 14:07:14,904 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 22 xjuncts. [2021-07-14 14:07:14,904 INFO L247 ElimStorePlain]: Needed 48 recursive calls to eliminate 96 variables, input treesize:3798, output treesize:266 [2021-07-14 14:07:15,081 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:07:15,081 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [872422959] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:07:15,081 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:07:15,081 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-07-14 14:07:15,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086332895] [2021-07-14 14:07:15,082 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-14 14:07:15,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:07:15,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-14 14:07:15,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=749, Unknown=0, NotChecked=0, Total=870 [2021-07-14 14:07:15,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:07:15,083 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:07:15,083 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.4) internal successors, (72), 30 states have internal predecessors, (72), 0 states have call successors, (0), 0 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 14:07:15,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:07:15,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:07:15,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:07:15,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:07:15,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:07:15,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 14:07:15,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:07:15,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 14:07:15,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:07:15,562 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2021-07-14 14:07:15,951 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 59 [2021-07-14 14:07:16,250 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 64 [2021-07-14 14:07:16,673 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 77 [2021-07-14 14:07:17,752 WARN L205 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 74 [2021-07-14 14:07:19,070 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 429 DAG size of output: 87 [2021-07-14 14:07:22,836 WARN L205 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 391 DAG size of output: 161 [2021-07-14 14:07:29,424 WARN L205 SmtUtils]: Spent 6.46 s on a formula simplification. DAG size of input: 194 DAG size of output: 138 [2021-07-14 14:07:29,855 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 70 [2021-07-14 14:07:30,375 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-07-14 14:07:30,997 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2021-07-14 14:07:31,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:07:31,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:07:31,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:07:31,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:07:31,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:07:31,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 14:07:31,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:07:31,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 14:07:31,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 14:07:31,275 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable280 [2021-07-14 14:07:31,276 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:07:31,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:07:31,276 INFO L82 PathProgramCache]: Analyzing trace with hash 931633578, now seen corresponding path program 6 times [2021-07-14 14:07:31,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:07:31,276 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956130111] [2021-07-14 14:07:31,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:07:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:07:31,508 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:07:31,508 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 14:07:31,508 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956130111] [2021-07-14 14:07:31,508 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956130111] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:07:31,508 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111437734] [2021-07-14 14:07:31,508 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 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 14:07:31,576 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-14 14:07:31,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 14:07:31,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 14:07:31,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 14:07:32,051 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 14:07:32,052 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111437734] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 14:07:32,052 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 14:07:32,052 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-07-14 14:07:32,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827615461] [2021-07-14 14:07:32,052 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-14 14:07:32,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 14:07:32,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-14 14:07:32,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-07-14 14:07:32,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:07:32,053 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 14:07:32,054 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 29 states have internal predecessors, (69), 0 states have call successors, (0), 0 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 14:07:32,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:07:32,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:07:32,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:07:32,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:07:32,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:07:32,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 14:07:32,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:07:32,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 14:07:32,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 14:07:32,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 14:07:32,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 14:07:32,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 14:07:32,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 14:07:32,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 14:07:32,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 14:07:32,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 14:07:32,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:07:32,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 14:07:32,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 14:07:32,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 14:07:32,711 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable435,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 14:07:32,711 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 14:07:32,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 14:07:32,712 INFO L82 PathProgramCache]: Analyzing trace with hash -607915832, now seen corresponding path program 7 times [2021-07-14 14:07:32,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 14:07:32,712 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836270279] [2021-07-14 14:07:32,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 14:07:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 14:07:36,831 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 29 [2021-07-14 14:07:37,200 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 106 [2021-07-14 14:07:37,427 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 42 [2021-07-14 14:08:58,964 WARN L205 SmtUtils]: Spent 1.36 m on a formula simplification. DAG size of input: 294 DAG size of output: 230 [2021-07-14 14:08:59,511 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2021-07-14 14:09:00,155 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 68 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown