/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 09:50:47,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 09:50:47,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 09:50:47,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 09:50:47,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 09:50:47,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 09:50:47,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 09:50:47,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 09:50:47,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 09:50:47,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 09:50:47,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 09:50:47,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 09:50:47,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 09:50:47,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 09:50:47,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 09:50:47,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 09:50:47,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-17 09:50:47,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 09:50:47,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 09:50:47,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 09:50:47,125 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-Lockstep.epf [2021-06-17 09:50:47,148 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 09:50:47,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 09:50:47,149 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 09:50:47,149 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 09:50:47,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 09:50:47,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 09:50:47,150 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 09:50:47,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 09:50:47,150 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 09:50:47,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 09:50:47,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 09:50:47,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 09:50:47,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 09:50:47,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 09:50:47,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 09:50:47,151 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 09:50:47,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 09:50:47,151 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 09:50:47,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 09:50:47,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 09:50:47,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 09:50:47,151 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 09:50:47,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 09:50:47,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 09:50:47,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 09:50:47,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 09:50:47,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 09:50:47,152 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 09:50:47,152 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-17 09:50:47,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 09:50:47,153 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 09:50:47,153 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 09:50:47,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 09:50:47,153 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 09:50:47,153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 09:50:47,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 09:50:47,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 09:50:47,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 09:50:47,424 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 09:50:47,425 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 09:50:47,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl [2021-06-17 09:50:47,426 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl' [2021-06-17 09:50:47,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 09:50:47,473 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 09:50:47,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 09:50:47,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 09:50:47,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 09:50:47,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:50:47" (1/1) ... [2021-06-17 09:50:47,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:50:47" (1/1) ... [2021-06-17 09:50:47,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 09:50:47,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 09:50:47,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 09:50:47,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 09:50:47,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:50:47" (1/1) ... [2021-06-17 09:50:47,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:50:47" (1/1) ... [2021-06-17 09:50:47,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:50:47" (1/1) ... [2021-06-17 09:50:47,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:50:47" (1/1) ... [2021-06-17 09:50:47,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:50:47" (1/1) ... [2021-06-17 09:50:47,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:50:47" (1/1) ... [2021-06-17 09:50:47,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:50:47" (1/1) ... [2021-06-17 09:50:47,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 09:50:47,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 09:50:47,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 09:50:47,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 09:50:47,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:50:47" (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 09:50:47,575 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 09:50:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 09:50:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 09:50:47,576 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 09:50:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 09:50:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 09:50:47,576 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 09:50:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 09:50:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 09:50:47,578 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 09:50:47,749 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 09:50:47,749 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-17 09:50:47,751 INFO L202 PluginConnector]: Adding new model misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 09:50:47 BoogieIcfgContainer [2021-06-17 09:50:47,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 09:50:47,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 09:50:47,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 09:50:47,755 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 09:50:47,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:50:47" (1/2) ... [2021-06-17 09:50:47,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12479b23 and model type misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 09:50:47, skipping insertion in model container [2021-06-17 09:50:47,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 09:50:47" (2/2) ... [2021-06-17 09:50:47,777 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-1.wvr.bpl [2021-06-17 09:50:47,781 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 09:50:47,782 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 09:50:47,782 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 09:50:47,782 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 09:50:47,841 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-17 09:50:47,859 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 09:50:47,931 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 09:50:47,932 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 09:50:47,932 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 09:50:47,932 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 09:50:47,932 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 09:50:47,932 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 09:50:47,932 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 09:50:47,932 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 09:50:48,030 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:50:48,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:50:48,038 INFO L82 PathProgramCache]: Analyzing trace with hash 2065750347, now seen corresponding path program 1 times [2021-06-17 09:50:48,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:50:48,045 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546689219] [2021-06-17 09:50:48,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:50:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:50:48,256 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:50:48,256 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:50:48,256 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546689219] [2021-06-17 09:50:48,257 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546689219] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:50:48,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080011159] [2021-06-17 09:50:48,257 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 09:50:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:50:48,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-17 09:50:48,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:50:48,405 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:50:48,405 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080011159] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:50:48,405 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:50:48,406 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-17 09:50:48,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611248709] [2021-06-17 09:50:48,410 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 09:50:48,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:50:48,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 09:50:48,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-17 09:50:48,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:50:48,429 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:50:48,431 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 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 09:50:48,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:50:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 09:50:48,785 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-17 09:50:48,785 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:50:48,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:50:48,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1774725467, now seen corresponding path program 1 times [2021-06-17 09:50:48,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:50:48,786 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036139856] [2021-06-17 09:50:48,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:50:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:50:49,259 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:50:49,259 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:50:49,260 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036139856] [2021-06-17 09:50:49,260 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036139856] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:50:49,261 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37655325] [2021-06-17 09:50:49,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 09:50:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:50:49,312 WARN L261 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-17 09:50:49,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:50:49,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-17 09:50:49,617 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 09:50:49,621 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:50:49,621 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 09:50:49,622 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:9 [2021-06-17 09:50:49,691 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:50:49,692 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37655325] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:50:49,692 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:50:49,692 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11] total 23 [2021-06-17 09:50:49,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838496693] [2021-06-17 09:50:49,693 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-17 09:50:49,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:50:49,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-17 09:50:49,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2021-06-17 09:50:49,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:50:49,695 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:50:49,695 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.2083333333333335) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 09:50:49,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 09:50:49,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:50:50,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 09:50:50,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 09:50:50,963 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:50:50,963 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:50:50,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:50:50,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1095628001, now seen corresponding path program 2 times [2021-06-17 09:50:50,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:50:50,964 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973629043] [2021-06-17 09:50:50,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:50:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:50:51,042 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-06-17 09:50:51,042 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:50:51,042 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973629043] [2021-06-17 09:50:51,042 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973629043] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:50:51,042 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948114440] [2021-06-17 09:50:51,043 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 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 09:50:51,084 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 09:50:51,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:50:51,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-17 09:50:51,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:50:51,185 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-06-17 09:50:51,185 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948114440] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:50:51,186 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:50:51,186 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-06-17 09:50:51,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683168686] [2021-06-17 09:50:51,186 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 09:50:51,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:50:51,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 09:50:51,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-17 09:50:51,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:50:51,187 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:50:51,187 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 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 09:50:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 09:50:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 09:50:51,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:50:51,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 09:50:51,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 09:50:51,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 09:50:51,584 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:50:51,584 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:50:51,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:50:51,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1594615025, now seen corresponding path program 1 times [2021-06-17 09:50:51,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:50:51,585 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340110839] [2021-06-17 09:50:51,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:50:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:50:52,426 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-17 09:50:52,427 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:50:52,427 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340110839] [2021-06-17 09:50:52,427 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340110839] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:50:52,427 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307482902] [2021-06-17 09:50:52,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 09:50:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:50:52,467 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 55 conjunts are in the unsatisfiable core [2021-06-17 09:50:52,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:50:53,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2021-06-17 09:50:53,264 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 09:50:53,267 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:50:53,268 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 09:50:53,268 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:42, output treesize:9 [2021-06-17 09:50:53,351 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:50:53,352 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307482902] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:50:53,352 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:50:53,352 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23] total 43 [2021-06-17 09:50:53,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418224751] [2021-06-17 09:50:53,352 INFO L462 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-06-17 09:50:53,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:50:53,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-06-17 09:50:53,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=303, Invalid=1589, Unknown=0, NotChecked=0, Total=1892 [2021-06-17 09:50:53,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:50:53,354 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:50:53,354 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 2.25) internal successors, (99), 43 states have internal predecessors, (99), 0 states have call successors, (0), 0 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 09:50:53,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 09:50:53,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 09:50:53,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 09:50:53,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:50:56,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 09:50:56,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 09:50:56,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 09:50:56,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-17 09:50:56,331 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:50:56,331 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:50:56,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:50:56,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1178403656, now seen corresponding path program 1 times [2021-06-17 09:50:56,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:50:56,332 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435563519] [2021-06-17 09:50:56,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:50:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:50:57,348 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 8 proven. 234 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-06-17 09:50:57,348 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:50:57,348 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435563519] [2021-06-17 09:50:57,349 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435563519] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:50:57,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779091663] [2021-06-17 09:50:57,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:50:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:50:57,390 WARN L261 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 89 conjunts are in the unsatisfiable core [2021-06-17 09:50:57,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:50:59,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-06-17 09:50:59,351 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 09:50:59,352 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:50:59,353 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 09:50:59,353 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:66, output treesize:8 [2021-06-17 09:50:59,448 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:50:59,448 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779091663] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:50:59,448 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:50:59,448 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 40] total 67 [2021-06-17 09:50:59,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260316058] [2021-06-17 09:50:59,449 INFO L462 AbstractCegarLoop]: Interpolant automaton has 68 states [2021-06-17 09:50:59,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:50:59,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2021-06-17 09:50:59,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=581, Invalid=3975, Unknown=0, NotChecked=0, Total=4556 [2021-06-17 09:50:59,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:50:59,451 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:50:59,451 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 68 states, 68 states have (on average 2.1176470588235294) internal successors, (144), 67 states have internal predecessors, (144), 0 states have call successors, (0), 0 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 09:50:59,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 09:50:59,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 09:50:59,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 09:50:59,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-17 09:50:59,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:51:07,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 09:51:07,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 09:51:07,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 09:51:07,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-17 09:51:07,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-06-17 09:51:07,509 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:51:07,509 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:51:07,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:51:07,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1492667610, now seen corresponding path program 2 times [2021-06-17 09:51:07,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:51:07,510 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999045346] [2021-06-17 09:51:07,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:51:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:51:08,650 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 68 proven. 317 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2021-06-17 09:51:08,651 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:51:08,651 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999045346] [2021-06-17 09:51:08,651 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999045346] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:51:08,651 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422956871] [2021-06-17 09:51:08,651 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:51:08,703 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 09:51:08,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:51:08,705 WARN L261 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 134 conjunts are in the unsatisfiable core [2021-06-17 09:51:08,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:51:12,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:12,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:12,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:12,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:12,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:12,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:12,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:12,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:12,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:12,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:12,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:12,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:12,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:12,937 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:51:12,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 91 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 14 case distinctions, treesize of input 95 treesize of output 151 [2021-06-17 09:51:12,967 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 09:51:12,975 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:51:12,979 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 09:51:12,980 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:104, output treesize:31 [2021-06-17 09:51:13,274 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 0 proven. 710 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:51:13,274 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422956871] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:51:13,274 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:51:13,274 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 65] total 89 [2021-06-17 09:51:13,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123626204] [2021-06-17 09:51:13,275 INFO L462 AbstractCegarLoop]: Interpolant automaton has 90 states [2021-06-17 09:51:13,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:51:13,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2021-06-17 09:51:13,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=661, Invalid=7349, Unknown=0, NotChecked=0, Total=8010 [2021-06-17 09:51:13,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:51:13,277 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:51:13,277 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 90 states, 90 states have (on average 2.0555555555555554) internal successors, (185), 89 states have internal predecessors, (185), 0 states have call successors, (0), 0 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 09:51:13,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 09:51:13,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 09:51:13,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 09:51:13,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-17 09:51:13,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-06-17 09:51:13,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:51:25,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 09:51:25,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 09:51:25,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 09:51:25,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-17 09:51:25,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-06-17 09:51:25,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-06-17 09:51:25,800 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:51:25,801 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:51:25,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:51:25,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1684793680, now seen corresponding path program 3 times [2021-06-17 09:51:25,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:51:25,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457822907] [2021-06-17 09:51:25,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:51:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:51:26,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 145 proven. 464 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2021-06-17 09:51:26,926 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:51:26,926 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457822907] [2021-06-17 09:51:26,926 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457822907] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:51:26,926 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915576867] [2021-06-17 09:51:26,926 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:51:27,002 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2021-06-17 09:51:27,003 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:51:27,006 WARN L261 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 171 conjunts are in the unsatisfiable core [2021-06-17 09:51:27,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:51:36,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 09:51:36,796 INFO L244 Elim1Store]: Index analysis took 367 ms [2021-06-17 09:51:42,453 WARN L205 SmtUtils]: Spent 5.65 s on a formula simplification that was a NOOP. DAG size: 921 [2021-06-17 09:51:42,454 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:51:42,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 33 select indices, 33 select index equivalence classes, 318 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 210 case distinctions, treesize of input 175 treesize of output 2343 [2021-06-17 09:51:42,842 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 793 DAG size of output: 600 [2021-06-17 09:51:43,221 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 816 DAG size of output: 624 [2021-06-17 09:51:45,049 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 2928 DAG size of output: 1884 [2021-06-17 09:51:47,181 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 2979 DAG size of output: 1935 [2021-06-17 09:52:44,364 WARN L205 SmtUtils]: Spent 55.14 s on a formula simplification. DAG size of input: 20088 DAG size of output: 13166 [2021-06-17 09:53:47,463 WARN L205 SmtUtils]: Spent 59.74 s on a formula simplification. DAG size of input: 20121 DAG size of output: 13199 [2021-06-17 10:04:13,622 WARN L205 SmtUtils]: Spent 10.12 m on a formula simplification. DAG size of input: 183319 DAG size of output: 90339 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown