/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 07:21:44,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 07:21:44,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 07:21:44,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 07:21:44,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 07:21:44,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 07:21:44,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 07:21:44,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 07:21:44,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 07:21:44,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 07:21:44,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 07:21:44,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 07:21:44,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 07:21:44,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 07:21:44,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 07:21:44,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 07:21:44,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-17 07:21:44,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 07:21:44,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 07:21:44,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 07:21:44,723 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-06-17 07:21:44,753 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 07:21:44,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 07:21:44,753 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 07:21:44,754 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 07:21:44,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 07:21:44,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 07:21:44,756 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 07:21:44,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 07:21:44,756 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 07:21:44,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 07:21:44,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 07:21:44,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 07:21:44,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 07:21:44,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 07:21:44,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 07:21:44,757 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 07:21:44,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 07:21:44,757 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 07:21:44,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 07:21:44,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 07:21:44,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 07:21:44,758 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 07:21:44,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 07:21:44,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 07:21:44,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 07:21:44,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 07:21:44,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 07:21:44,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 07:21:44,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 07:21:44,759 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 07:21:44,759 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 07:21:44,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 07:21:44,759 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 07:21:44,759 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 07:21:45,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 07:21:45,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 07:21:45,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 07:21:45,062 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 07:21:45,063 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 07:21:45,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl [2021-06-17 07:21:45,064 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl' [2021-06-17 07:21:45,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 07:21:45,107 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 07:21:45,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 07:21:45,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 07:21:45,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 07:21:45,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:21:45" (1/1) ... [2021-06-17 07:21:45,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:21:45" (1/1) ... [2021-06-17 07:21:45,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 07:21:45,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 07:21:45,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 07:21:45,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 07:21:45,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:21:45" (1/1) ... [2021-06-17 07:21:45,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:21:45" (1/1) ... [2021-06-17 07:21:45,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:21:45" (1/1) ... [2021-06-17 07:21:45,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:21:45" (1/1) ... [2021-06-17 07:21:45,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:21:45" (1/1) ... [2021-06-17 07:21:45,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:21:45" (1/1) ... [2021-06-17 07:21:45,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:21:45" (1/1) ... [2021-06-17 07:21:45,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 07:21:45,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 07:21:45,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 07:21:45,149 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 07:21:45,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:21:45" (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 [2021-06-17 07:21:45,209 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 07:21:45,209 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 07:21:45,209 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 07:21:45,210 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 07:21:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 07:21:45,210 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 07:21:45,210 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 07:21:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 07:21:45,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 07:21:45,210 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-17 07:21:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-17 07:21:45,210 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-17 07:21:45,211 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 07:21:45,418 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 07:21:45,418 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-17 07:21:45,420 INFO L202 PluginConnector]: Adding new model max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 07:21:45 BoogieIcfgContainer [2021-06-17 07:21:45,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 07:21:45,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 07:21:45,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 07:21:45,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 07:21:45,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:21:45" (1/2) ... [2021-06-17 07:21:45,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fea6a95 and model type max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 07:21:45, skipping insertion in model container [2021-06-17 07:21:45,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 07:21:45" (2/2) ... [2021-06-17 07:21:45,425 INFO L111 eAbstractionObserver]: Analyzing ICFG max-fun.wvr.bpl [2021-06-17 07:21:45,429 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 07:21:45,429 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 07:21:45,430 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 07:21:45,430 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 07:21:45,472 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-17 07:21:45,486 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 [2021-06-17 07:21:45,541 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 07:21:45,541 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 07:21:45,542 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 07:21:45,542 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 07:21:45,542 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 07:21:45,543 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 07:21:45,543 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 07:21:45,543 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 07:21:45,674 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:21:45,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:21:45,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1685831996, now seen corresponding path program 1 times [2021-06-17 07:21:45,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:21:45,690 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223942471] [2021-06-17 07:21:45,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:21:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:21:45,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:21:45,848 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:21:45,849 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223942471] [2021-06-17 07:21:45,849 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223942471] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 07:21:45,849 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 07:21:45,849 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-17 07:21:45,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413071974] [2021-06-17 07:21:45,853 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 07:21:45,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:21:45,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 07:21:45,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 07:21:45,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:21:45,869 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:21:45,870 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) [2021-06-17 07:21:45,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:21:45,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:21:45,903 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 07:21:45,904 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:21:45,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:21:45,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1860946394, now seen corresponding path program 1 times [2021-06-17 07:21:45,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:21:45,907 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835254604] [2021-06-17 07:21:45,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:21:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:21:45,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 07:21:45,972 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:21:45,972 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835254604] [2021-06-17 07:21:45,972 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835254604] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 07:21:45,973 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 07:21:45,973 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-17 07:21:45,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951504048] [2021-06-17 07:21:45,974 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 07:21:45,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:21:45,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 07:21:45,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 07:21:45,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:21:45,976 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:21:45,976 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) [2021-06-17 07:21:45,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:21:45,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:21:46,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:21:46,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:21:46,048 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 07:21:46,048 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:21:46,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:21:46,049 INFO L82 PathProgramCache]: Analyzing trace with hash 2099964152, now seen corresponding path program 1 times [2021-06-17 07:21:46,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:21:46,050 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722183047] [2021-06-17 07:21:46,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:21:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:21:46,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:21:46,455 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:21:46,455 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722183047] [2021-06-17 07:21:46,455 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722183047] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:21:46,455 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303818426] [2021-06-17 07:21:46,455 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 [2021-06-17 07:21:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:21:46,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-17 07:21:46,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:21:46,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-06-17 07:21:46,922 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 07:21:46,930 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 [2021-06-17 07:21:46,932 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 07:21:46,935 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 [2021-06-17 07:21:46,936 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 07:21:46,948 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:21:46,952 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 07:21:46,952 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:103, output treesize:21 [2021-06-17 07:21:46,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:21:46,999 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303818426] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:21:46,999 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:21:46,999 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-17 07:21:47,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185479149] [2021-06-17 07:21:47,000 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-17 07:21:47,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:21:47,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-17 07:21:47,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-17 07:21:47,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:21:47,001 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:21:47,001 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 07:21:47,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:21:47,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:21:47,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:21:47,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:21:47,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:21:47,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:21:47,437 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:21:47,437 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:21:47,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:21:47,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1225355926, now seen corresponding path program 2 times [2021-06-17 07:21:47,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:21:47,438 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278490793] [2021-06-17 07:21:47,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:21:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:21:47,507 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:21:47,507 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:21:47,507 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278490793] [2021-06-17 07:21:47,507 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278490793] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:21:47,507 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51233366] [2021-06-17 07:21:47,508 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 [2021-06-17 07:21:47,540 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 07:21:47,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:21:47,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-17 07:21:47,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:21:47,659 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:21:47,659 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51233366] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:21:47,662 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:21:47,662 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-17 07:21:47,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721252066] [2021-06-17 07:21:47,662 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-17 07:21:47,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:21:47,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-17 07:21:47,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-17 07:21:47,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:21:47,663 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:21:47,663 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) [2021-06-17 07:21:47,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:21:47,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:21:47,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:21:47,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:21:47,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:21:47,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:21:47,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:21:47,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:21:48,028 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:21:48,029 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:21:48,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:21:48,029 INFO L82 PathProgramCache]: Analyzing trace with hash 661666650, now seen corresponding path program 1 times [2021-06-17 07:21:48,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:21:48,030 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892630151] [2021-06-17 07:21:48,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:21:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:21:48,108 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 07:21:48,108 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:21:48,108 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892630151] [2021-06-17 07:21:48,108 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892630151] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:21:48,108 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680457176] [2021-06-17 07:21:48,109 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 [2021-06-17 07:21:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:21:48,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-17 07:21:48,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:21:48,289 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 07:21:48,290 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680457176] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:21:48,290 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:21:48,290 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-17 07:21:48,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542046920] [2021-06-17 07:21:48,291 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-17 07:21:48,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:21:48,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-17 07:21:48,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-17 07:21:48,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:21:48,293 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:21:48,293 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 07:21:48,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:21:48,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:21:48,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:21:48,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:21:48,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:21:48,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:21:48,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:21:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:21:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:21:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:21:48,629 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:21:48,629 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:21:48,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:21:48,630 INFO L82 PathProgramCache]: Analyzing trace with hash -258173320, now seen corresponding path program 2 times [2021-06-17 07:21:48,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:21:48,630 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442897527] [2021-06-17 07:21:48,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:21:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:21:49,283 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 59 [2021-06-17 07:21:49,626 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2021-06-17 07:21:49,892 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2021-06-17 07:21:50,099 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-06-17 07:21:50,303 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2021-06-17 07:21:50,426 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:21:50,426 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:21:50,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442897527] [2021-06-17 07:21:50,427 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442897527] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:21:50,427 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481284841] [2021-06-17 07:21:50,427 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 [2021-06-17 07:21:50,483 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 07:21:50,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:21:50,484 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-17 07:21:50,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:21:51,963 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-06-17 07:21:53,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:53,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:53,801 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-17 07:21:53,801 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 [2021-06-17 07:21:53,815 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 07:21:53,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:53,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:53,932 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-17 07:21:53,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-06-17 07:21:53,934 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 07:21:55,702 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 350 [2021-06-17 07:21:55,703 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:21:55,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:55,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:55,791 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-17 07:21:55,791 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 35 treesize of output 35 [2021-06-17 07:21:55,797 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 07:21:55,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:55,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:55,892 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-17 07:21:55,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 50 [2021-06-17 07:21:55,904 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 07:21:57,571 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 341 [2021-06-17 07:21:57,572 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:21:57,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:57,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:57,676 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:21:57,676 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 [2021-06-17 07:21:57,692 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 07:21:57,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:57,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:57,774 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-17 07:21:57,774 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 44 treesize of output 48 [2021-06-17 07:21:57,782 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:00,926 WARN L205 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 339 DAG size of output: 333 [2021-06-17 07:22:00,927 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.2 percent of original size [2021-06-17 07:22:00,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:00,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:01,001 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-17 07:22:01,001 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 [2021-06-17 07:22:01,006 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:01,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:01,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:01,109 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-17 07:22:01,109 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 [2021-06-17 07:22:01,113 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:02,650 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 320 [2021-06-17 07:22:02,652 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:02,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:02,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:02,756 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-17 07:22:02,757 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 [2021-06-17 07:22:02,768 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:02,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:02,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:02,855 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-17 07:22:02,856 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 [2021-06-17 07:22:02,861 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:04,342 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 313 [2021-06-17 07:22:04,343 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:04,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:04,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:04,419 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-17 07:22:04,419 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 34 [2021-06-17 07:22:04,422 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:04,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:04,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:04,485 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-17 07:22:04,486 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 35 treesize of output 39 [2021-06-17 07:22:04,491 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:05,919 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 302 [2021-06-17 07:22:05,920 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:05,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:05,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:06,013 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-17 07:22:06,013 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 40 [2021-06-17 07:22:06,041 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:06,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:06,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:06,098 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-17 07:22:06,099 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 [2021-06-17 07:22:06,101 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:07,468 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 290 [2021-06-17 07:22:07,469 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:07,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:07,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:07,557 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-17 07:22:07,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-06-17 07:22:07,575 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:07,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:07,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:07,631 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-17 07:22:07,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-06-17 07:22:07,633 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:10,301 WARN L205 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 289 DAG size of output: 288 [2021-06-17 07:22:10,302 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.7 percent of original size [2021-06-17 07:22:10,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:10,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:10,385 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:10,386 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 28 treesize of output 60 [2021-06-17 07:22:10,406 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:10,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:10,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:10,457 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-17 07:22:10,457 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 33 treesize of output 31 [2021-06-17 07:22:10,459 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:11,776 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 273 [2021-06-17 07:22:11,776 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:11,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:11,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:11,850 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:11,850 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 [2021-06-17 07:22:11,863 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:11,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:11,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:11,935 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-06-17 07:22:11,935 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 [2021-06-17 07:22:11,951 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:14,372 WARN L205 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 265 DAG size of output: 259 [2021-06-17 07:22:14,373 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.1 percent of original size [2021-06-17 07:22:14,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:14,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:14,438 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-17 07:22:14,438 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 [2021-06-17 07:22:14,440 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:14,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:14,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:14,489 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-17 07:22:14,490 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 [2021-06-17 07:22:14,492 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:15,730 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 248 [2021-06-17 07:22:15,731 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:15,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:15,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:15,810 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-17 07:22:15,810 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 [2021-06-17 07:22:15,814 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:15,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:15,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:15,858 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-17 07:22:15,859 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 38 [2021-06-17 07:22:15,863 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:16,982 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 238 [2021-06-17 07:22:16,983 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:16,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:17,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:17,054 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-17 07:22:17,054 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 50 [2021-06-17 07:22:17,059 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:17,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:17,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:17,104 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-17 07:22:17,104 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 35 treesize of output 37 [2021-06-17 07:22:17,109 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:18,192 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 225 [2021-06-17 07:22:18,192 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:18,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:18,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:18,263 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-17 07:22:18,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-06-17 07:22:18,270 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:18,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:18,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:18,327 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-17 07:22:18,327 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 50 [2021-06-17 07:22:18,345 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:19,359 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 214 [2021-06-17 07:22:19,359 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:19,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:19,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:19,428 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-17 07:22:19,429 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 33 treesize of output 49 [2021-06-17 07:22:19,438 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:19,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:19,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:19,494 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-17 07:22:19,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 48 [2021-06-17 07:22:19,501 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:20,485 WARN L205 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2021-06-17 07:22:20,486 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:20,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:20,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:20,555 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-17 07:22:20,556 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 [2021-06-17 07:22:20,573 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:20,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:20,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:20,614 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-17 07:22:20,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-06-17 07:22:20,617 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:21,510 WARN L205 SmtUtils]: Spent 892.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-06-17 07:22:21,510 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:21,765 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-06-17 07:22:21,766 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2233, output treesize:2097 [2021-06-17 07:22:22,478 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 59 [2021-06-17 07:22:22,629 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:22:22,630 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481284841] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:22:22,630 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:22:22,630 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-17 07:22:22,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327095878] [2021-06-17 07:22:22,630 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-17 07:22:22,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:22:22,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-17 07:22:22,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-06-17 07:22:22,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:22:22,631 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:22:22,631 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) [2021-06-17 07:22:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:22:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:22:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:22:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:22:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:22:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:22:22,943 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 51 [2021-06-17 07:22:23,151 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2021-06-17 07:22:23,487 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-06-17 07:22:23,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:22:23,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:22:23,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:22:23,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:22:23,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:22:23,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:22:23,837 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-17 07:22:23,838 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:22:23,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:22:23,838 INFO L82 PathProgramCache]: Analyzing trace with hash 538878486, now seen corresponding path program 3 times [2021-06-17 07:22:23,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:22:23,838 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186364675] [2021-06-17 07:22:23,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:22:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:22:23,930 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:22:23,930 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:22:23,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186364675] [2021-06-17 07:22:23,930 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186364675] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:22:23,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179999642] [2021-06-17 07:22:23,931 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 [2021-06-17 07:22:23,965 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-17 07:22:23,965 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:22:23,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-17 07:22:23,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:22:24,114 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:22:24,115 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179999642] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:22:24,115 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:22:24,115 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-17 07:22:24,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375578604] [2021-06-17 07:22:24,115 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-17 07:22:24,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:22:24,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-17 07:22:24,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-17 07:22:24,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:22:24,116 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:22:24,116 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) [2021-06-17 07:22:24,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:22:24,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:22:24,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:22:24,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:22:24,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:22:24,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:22:24,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:22:24,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:22:24,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:22:24,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:22:24,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:22:24,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:22:24,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:22:24,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:22:24,621 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable276,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:22:24,621 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:22:24,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:22:24,622 INFO L82 PathProgramCache]: Analyzing trace with hash 157395674, now seen corresponding path program 4 times [2021-06-17 07:22:24,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:22:24,622 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31465368] [2021-06-17 07:22:24,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:22:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:22:24,695 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 07:22:24,696 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:22:24,696 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31465368] [2021-06-17 07:22:24,696 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31465368] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:22:24,696 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435357109] [2021-06-17 07:22:24,696 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 [2021-06-17 07:22:24,762 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 07:22:24,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:22:24,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-17 07:22:24,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:22:24,871 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 07:22:24,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435357109] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:22:24,871 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:22:24,871 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-17 07:22:24,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659618304] [2021-06-17 07:22:24,872 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-17 07:22:24,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:22:24,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-17 07:22:24,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-17 07:22:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:22:24,872 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:22:24,872 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 07:22:24,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:22:24,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:22:24,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:22:24,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:22:24,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:22:24,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:22:24,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:22:24,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:22:24,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:22:24,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:22:24,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:22:24,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:22:24,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:22:24,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:22:24,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:22:24,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:22:25,214 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable277 [2021-06-17 07:22:25,215 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:22:25,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:22:25,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1710749704, now seen corresponding path program 5 times [2021-06-17 07:22:25,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:22:25,215 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139777766] [2021-06-17 07:22:25,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:22:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:22:26,230 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 99 [2021-06-17 07:22:26,510 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 53 [2021-06-17 07:22:26,696 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2021-06-17 07:22:27,029 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 89 [2021-06-17 07:22:29,753 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 320 DAG size of output: 295 [2021-06-17 07:22:30,556 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 131 [2021-06-17 07:22:34,083 WARN L205 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 310 DAG size of output: 299 [2021-06-17 07:22:35,032 WARN L205 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 150 [2021-06-17 07:22:38,111 WARN L205 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 305 DAG size of output: 293 [2021-06-17 07:22:38,990 WARN L205 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 145 [2021-06-17 07:22:40,898 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 258 DAG size of output: 258 [2021-06-17 07:22:41,715 WARN L205 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 118 [2021-06-17 07:22:43,521 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 201 DAG size of output: 170 [2021-06-17 07:22:43,932 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 66 [2021-06-17 07:22:44,940 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 159 DAG size of output: 107 [2021-06-17 07:22:45,129 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2021-06-17 07:22:46,107 WARN L205 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 104 [2021-06-17 07:22:46,303 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 40 [2021-06-17 07:22:46,575 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:22:46,575 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:22:46,575 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139777766] [2021-06-17 07:22:46,575 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139777766] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:22:46,575 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867896015] [2021-06-17 07:22:46,576 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 [2021-06-17 07:22:46,630 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-17 07:22:46,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:22:46,631 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-17 07:22:46,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:22:48,554 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 119 [2021-06-17 07:22:50,115 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 355 [2021-06-17 07:22:52,425 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 364 [2021-06-17 07:22:54,366 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 365 [2021-06-17 07:22:56,354 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 367 [2021-06-17 07:22:58,047 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 366 [2021-06-17 07:22:59,622 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 380 [2021-06-17 07:23:01,646 WARN L205 SmtUtils]: Spent 968.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2021-06-17 07:23:02,430 INFO L446 ElimStorePlain]: Different costs {9=[v_prenex_160, v_prenex_162, v_prenex_140, v_prenex_120, v_prenex_142, v_prenex_164, v_prenex_144, v_prenex_166, v_prenex_122, v_prenex_146, v_prenex_124, v_prenex_168, v_prenex_126, v_prenex_148, v_prenex_128, v_prenex_150, v_prenex_130, v_prenex_154, v_prenex_132, v_prenex_111, v_prenex_134, v_prenex_156, v_prenex_158, v_prenex_114, v_prenex_136, v_prenex_138, v_prenex_116, v_prenex_107, A, v_prenex_109], 15=[v_prenex_118, v_prenex_152]} [2021-06-17 07:23:02,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:02,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:02,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:02,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:02,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:02,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:02,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-06-17 07:23:02,530 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:02,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:02,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:02,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:02,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:02,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:02,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 28 [2021-06-17 07:23:02,589 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:10,557 WARN L205 SmtUtils]: Spent 7.97 s on a formula simplification. DAG size of input: 807 DAG size of output: 753 [2021-06-17 07:23:10,558 INFO L628 ElimStorePlain]: treesize reduction 1224, result has 68.9 percent of original size [2021-06-17 07:23:10,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:10,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:10,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:10,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:10,617 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 [2021-06-17 07:23:10,619 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:10,650 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:10,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:10,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:10,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:10,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:10,658 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 [2021-06-17 07:23:10,660 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:13,691 WARN L205 SmtUtils]: Spent 3.03 s on a formula simplification that was a NOOP. DAG size: 739 [2021-06-17 07:23:13,691 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:13,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:13,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:13,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:13,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:13,754 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 [2021-06-17 07:23:13,756 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:13,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:13,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:13,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:13,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:13,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:13,808 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 [2021-06-17 07:23:13,810 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:16,757 WARN L205 SmtUtils]: Spent 2.95 s on a formula simplification that was a NOOP. DAG size: 723 [2021-06-17 07:23:16,758 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:16,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:16,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:16,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:16,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:16,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:16,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:16,817 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 [2021-06-17 07:23:16,818 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:16,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:16,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:16,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:16,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:16,860 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 [2021-06-17 07:23:16,861 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:19,669 WARN L205 SmtUtils]: Spent 2.81 s on a formula simplification that was a NOOP. DAG size: 707 [2021-06-17 07:23:19,670 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:19,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:19,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:19,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:19,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:19,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:19,708 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 [2021-06-17 07:23:19,710 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:22,380 WARN L205 SmtUtils]: Spent 2.67 s on a formula simplification that was a NOOP. DAG size: 693 [2021-06-17 07:23:22,381 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:22,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:22,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:22,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:22,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:22,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:22,423 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 [2021-06-17 07:23:22,425 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:25,023 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification that was a NOOP. DAG size: 678 [2021-06-17 07:23:25,023 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:25,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:25,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:25,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:25,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:25,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:25,068 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 [2021-06-17 07:23:25,069 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:27,639 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 663 [2021-06-17 07:23:27,640 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:27,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:27,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:27,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:27,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:27,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:27,675 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 [2021-06-17 07:23:27,676 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:30,218 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 648 [2021-06-17 07:23:30,218 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:30,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:30,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:30,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:30,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:30,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:30,254 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 [2021-06-17 07:23:30,256 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:32,689 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 633 [2021-06-17 07:23:32,690 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:32,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:32,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:32,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:32,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:32,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-06-17 07:23:32,753 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:32,786 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:32,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:32,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:32,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:32,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:32,799 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 [2021-06-17 07:23:32,801 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:35,157 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 618 [2021-06-17 07:23:35,157 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:35,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:35,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:35,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:35,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:35,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:35,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:35,205 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 [2021-06-17 07:23:35,208 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:35,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:35,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:35,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:35,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:35,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-06-17 07:23:35,244 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:37,418 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 601 [2021-06-17 07:23:37,418 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:37,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:37,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:37,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:37,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:37,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:37,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:37,479 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 [2021-06-17 07:23:37,481 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:37,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:37,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:37,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:37,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:37,522 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 [2021-06-17 07:23:37,524 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:39,573 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 585 [2021-06-17 07:23:39,574 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:39,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:39,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:39,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:39,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:39,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:39,606 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 [2021-06-17 07:23:39,608 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:41,629 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 570 [2021-06-17 07:23:41,630 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:41,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:41,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:41,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:41,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:41,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-06-17 07:23:41,680 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:41,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:41,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:41,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:41,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:41,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:41,711 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 [2021-06-17 07:23:41,713 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:43,588 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 553 [2021-06-17 07:23:43,589 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:43,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:43,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:43,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:43,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:43,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:43,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:43,633 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 [2021-06-17 07:23:43,635 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:43,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:43,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:43,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:43,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:43,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-06-17 07:23:43,671 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:45,408 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 536 [2021-06-17 07:23:45,409 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:45,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:45,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:45,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:45,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:45,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:45,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:45,459 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 [2021-06-17 07:23:45,460 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:45,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:45,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:45,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:45,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:45,494 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 [2021-06-17 07:23:45,496 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:47,102 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 519 [2021-06-17 07:23:47,102 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:47,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:47,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:47,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:47,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:47,148 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 [2021-06-17 07:23:47,150 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:47,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:47,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:47,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:47,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:47,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:47,179 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 45 treesize of output 25 [2021-06-17 07:23:47,181 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:48,753 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 502 [2021-06-17 07:23:48,753 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:48,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:48,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:48,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:48,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:48,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:48,785 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 [2021-06-17 07:23:48,787 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:50,251 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 488 [2021-06-17 07:23:50,252 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:50,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:50,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:50,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:50,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:50,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:50,279 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 [2021-06-17 07:23:50,280 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:51,770 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 473 [2021-06-17 07:23:51,770 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:51,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:51,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:51,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:51,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:51,817 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 [2021-06-17 07:23:51,819 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:51,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:51,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:51,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:51,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:51,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:51,849 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 [2021-06-17 07:23:51,851 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:53,257 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 456 [2021-06-17 07:23:53,257 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:53,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:53,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:53,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:53,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:53,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:53,292 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 [2021-06-17 07:23:53,294 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:54,607 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 441 [2021-06-17 07:23:54,608 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:54,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:54,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:54,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:54,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:54,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:54,640 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 [2021-06-17 07:23:54,641 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:55,944 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 426 [2021-06-17 07:23:55,944 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:55,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:55,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:55,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:55,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:55,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:55,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:55,982 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 [2021-06-17 07:23:55,983 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:56,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:56,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:56,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:56,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:56,007 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 [2021-06-17 07:23:56,009 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:57,174 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 409 [2021-06-17 07:23:57,175 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:57,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:57,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:57,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:57,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:57,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:57,198 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 [2021-06-17 07:23:57,200 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:58,315 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 394 [2021-06-17 07:23:58,315 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:58,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:58,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:58,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:58,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:58,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:58,338 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 [2021-06-17 07:23:58,344 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:59,473 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 379 [2021-06-17 07:23:59,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:59,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:59,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:59,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:59,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:59,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:59,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-06-17 07:23:59,503 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:00,574 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 364 [2021-06-17 07:24:00,575 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:24:00,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:00,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:00,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:00,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:00,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-06-17 07:24:00,612 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:00,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:00,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:00,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:00,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:00,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:24:00,636 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 [2021-06-17 07:24:00,638 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:01,571 WARN L205 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2021-06-17 07:24:01,572 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:24:01,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:01,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:24:01,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:01,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:01,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:01,592 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 [2021-06-17 07:24:01,593 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:02,499 WARN L205 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2021-06-17 07:24:02,499 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:24:02,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:02,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:02,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:02,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:02,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-06-17 07:24:02,537 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:02,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:02,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:02,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:02,557 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:24:02,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:02,559 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 [2021-06-17 07:24:02,560 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:03,431 WARN L205 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2021-06-17 07:24:03,432 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:24:03,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:24:03,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:03,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:03,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:03,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:03,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:24:03,474 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 [2021-06-17 07:24:03,476 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:03,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:03,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:03,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:03,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:03,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-06-17 07:24:03,504 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:04,334 WARN L205 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2021-06-17 07:24:04,335 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:24:04,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:04,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:04,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:04,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:04,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:04,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:04,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:04,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:04,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:04,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:04,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:04,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:04,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:04,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:24:04,361 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 42 treesize of output 22 [2021-06-17 07:24:04,364 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:05,117 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-06-17 07:24:05,118 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:24:05,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:05,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:05,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:05,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:05,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:05,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:05,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:05,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:05,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:05,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:05,141 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 32 treesize of output 16 [2021-06-17 07:24:05,143 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:05,850 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-06-17 07:24:05,851 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:24:05,875 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 21 xjuncts. [2021-06-17 07:24:05,876 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 96 variables, input treesize:4005, output treesize:226 [2021-06-17 07:24:06,106 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:24:06,106 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867896015] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:24:06,107 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:24:06,107 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-17 07:24:06,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383873290] [2021-06-17 07:24:06,107 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-17 07:24:06,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:24:06,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-17 07:24:06,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=896, Unknown=0, NotChecked=0, Total=992 [2021-06-17 07:24:06,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:24:06,108 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:24:06,108 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.3125) internal successors, (74), 32 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 07:24:06,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:24:06,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:24:06,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:24:06,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:24:06,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:24:06,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:24:06,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:24:06,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:24:06,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:24:06,570 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 35 [2021-06-17 07:24:07,049 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 46 [2021-06-17 07:24:07,561 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 64 [2021-06-17 07:24:07,815 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 66 [2021-06-17 07:24:08,139 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 67 [2021-06-17 07:24:08,451 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 85 [2021-06-17 07:24:09,344 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 127 [2021-06-17 07:24:11,902 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 238 DAG size of output: 123 [2021-06-17 07:24:16,136 WARN L205 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 540 DAG size of output: 162 [2021-06-17 07:24:16,525 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2021-06-17 07:24:17,145 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-06-17 07:24:17,495 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-06-17 07:24:17,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:24:17,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:24:17,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:24:17,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:24:17,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:24:17,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:24:17,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:24:17,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:24:17,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:24:17,770 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable278 [2021-06-17 07:24:17,770 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:24:17,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:24:17,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1933198930, now seen corresponding path program 6 times [2021-06-17 07:24:17,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:24:17,770 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109807622] [2021-06-17 07:24:17,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:24:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:24:17,877 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:24:17,877 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:24:17,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109807622] [2021-06-17 07:24:17,877 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109807622] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:24:17,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590858509] [2021-06-17 07:24:17,877 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:24:17,913 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-17 07:24:17,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:24:17,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-17 07:24:17,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:24:18,126 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:24:18,126 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590858509] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:24:18,126 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:24:18,126 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-06-17 07:24:18,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949788818] [2021-06-17 07:24:18,126 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-17 07:24:18,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:24:18,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-17 07:24:18,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-06-17 07:24:18,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:24:18,127 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:24:18,127 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) [2021-06-17 07:24:18,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:24:18,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:24:18,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:24:18,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:24:18,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:24:18,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:24:18,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:24:18,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:24:18,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:24:18,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:24:18,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:24:18,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:24:18,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:24:18,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:24:18,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:24:18,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:24:18,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:24:18,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:24:18,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:24:18,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:24:18,536 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable434,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:24:18,537 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:24:18,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:24:18,537 INFO L82 PathProgramCache]: Analyzing trace with hash 976790896, now seen corresponding path program 7 times [2021-06-17 07:24:18,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:24:18,537 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740344823] [2021-06-17 07:24:18,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:24:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:24:22,044 WARN L205 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 122 [2021-06-17 07:24:22,271 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 44 [2021-06-17 07:24:29,225 WARN L205 SmtUtils]: Spent 6.95 s on a formula simplification. DAG size of input: 419 DAG size of output: 328 [2021-06-17 07:24:29,872 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 70 [2021-06-17 07:26:41,499 WARN L205 SmtUtils]: Spent 2.19 m on a formula simplification. DAG size of input: 701 DAG size of output: 581 [2021-06-17 07:26:41,613 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 581 [2021-06-17 07:26:43,640 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 581 DAG size of output: 126 [2021-06-17 07:31:00,556 WARN L205 SmtUtils]: Spent 4.28 m on a formula simplification. DAG size of input: 759 DAG size of output: 752 [2021-06-17 07:31:03,596 WARN L205 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 751 DAG size of output: 179 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown