/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/parallel/misc-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 11:14:50,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 11:14:50,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 11:14:50,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 11:14:50,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 11:14:50,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 11:14:50,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 11:14:50,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 11:14:50,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 11:14:50,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 11:14:50,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 11:14:50,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 11:14:50,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 11:14:50,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 11:14:50,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 11:14:50,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 11:14:50,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 11:14:50,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 11:14:50,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 11:14:50,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 11:14:50,591 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 [2021-07-10 11:14:50,624 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 11:14:50,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 11:14:50,633 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 11:14:50,633 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 11:14:50,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 11:14:50,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 11:14:50,636 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 11:14:50,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 11:14:50,636 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 11:14:50,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 11:14:50,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 11:14:50,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 11:14:50,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 11:14:50,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 11:14:50,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 11:14:50,638 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 11:14:50,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 11:14:50,638 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 11:14:50,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 11:14:50,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 11:14:50,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 11:14:50,638 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 11:14:50,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 11:14:50,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 11:14:50,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 11:14:50,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 11:14:50,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 11:14:50,639 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 11:14:50,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 11:14:50,639 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 11:14:50,639 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 11:14:50,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 11:14:50,640 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 11:14:50,640 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 11:14:50,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 11:14:50,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 11:14:50,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 11:14:50,964 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 11:14:50,965 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 11:14:50,966 INFO L432 ainManager$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 [2021-07-10 11:14:50,966 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl' [2021-07-10 11:14:50,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 11:14:50,984 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 11:14:50,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 11:14:50,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 11:14:50,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 11:14:50,996 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 10.07 11:14:50" (1/1) ... [2021-07-10 11:14:51,003 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 10.07 11:14:50" (1/1) ... [2021-07-10 11:14:51,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 11:14:51,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 11:14:51,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 11:14:51,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 11:14:51,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:14:50" (1/1) ... [2021-07-10 11:14:51,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:14:50" (1/1) ... [2021-07-10 11:14:51,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:14:50" (1/1) ... [2021-07-10 11:14:51,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:14:50" (1/1) ... [2021-07-10 11:14:51,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:14:50" (1/1) ... [2021-07-10 11:14:51,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:14:50" (1/1) ... [2021-07-10 11:14:51,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:14:50" (1/1) ... [2021-07-10 11:14:51,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 11:14:51,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 11:14:51,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 11:14:51,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 11:14:51,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:14:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 11:14:51,122 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 11:14:51,122 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 11:14:51,123 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 11:14:51,123 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 11:14:51,123 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 11:14:51,123 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 11:14:51,123 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 11:14:51,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 11:14:51,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 11:14:51,124 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 11:14:51,336 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 11:14:51,336 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 11:14:51,338 INFO L202 PluginConnector]: Adding new model misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 11:14:51 BoogieIcfgContainer [2021-07-10 11:14:51,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 11:14:51,339 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 11:14:51,339 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 11:14:51,341 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 11:14:51,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:14:50" (1/2) ... [2021-07-10 11:14:51,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60872976 and model type misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 11:14:51, skipping insertion in model container [2021-07-10 11:14:51,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 11:14:51" (2/2) ... [2021-07-10 11:14:51,343 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-1.wvr.bpl [2021-07-10 11:14:51,347 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 11:14:51,347 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 11:14:51,347 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 11:14:51,348 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 11:14:51,382 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 11:14:51,398 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 [2021-07-10 11:14:51,447 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 11:14:51,447 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 11:14:51,447 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 11:14:51,447 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 11:14:51,448 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 11:14:51,448 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 11:14:51,448 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 11:14:51,448 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 11:14:51,496 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:14:51,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:14:51,500 INFO L82 PathProgramCache]: Analyzing trace with hash -725077200, now seen corresponding path program 1 times [2021-07-10 11:14:51,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:14:51,506 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166019287] [2021-07-10 11:14:51,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:14:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:14:51,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:14:51,745 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:14:51,745 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166019287] [2021-07-10 11:14:51,745 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166019287] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 11:14:51,745 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 11:14:51,745 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-10 11:14:51,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461634798] [2021-07-10 11:14:51,749 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 11:14:51,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:14:51,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 11:14:51,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 11:14:51,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:51,759 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:14:51,761 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:14:51,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:51,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:14:51,829 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 11:14:51,829 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:14:51,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:14:51,829 INFO L82 PathProgramCache]: Analyzing trace with hash 18255981, now seen corresponding path program 1 times [2021-07-10 11:14:51,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:14:51,830 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639208265] [2021-07-10 11:14:51,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:14:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:14:51,866 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 11:14:51,866 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:14:51,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639208265] [2021-07-10 11:14:51,866 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639208265] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:14:51,867 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111977504] [2021-07-10 11:14:51,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:14:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:14:51,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 11:14:51,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:14:52,062 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:14:52,063 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111977504] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:14:52,063 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:14:52,063 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-07-10 11:14:52,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509615460] [2021-07-10 11:14:52,065 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 11:14:52,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:14:52,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 11:14:52,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-07-10 11:14:52,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:52,070 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:14:52,070 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:14:52,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:14:52,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:52,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:14:52,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:14:52,403 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:14:52,403 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:14:52,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:14:52,404 INFO L82 PathProgramCache]: Analyzing trace with hash 2008734832, now seen corresponding path program 1 times [2021-07-10 11:14:52,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:14:52,404 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767135811] [2021-07-10 11:14:52,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:14:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:14:52,804 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:14:52,805 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:14:52,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767135811] [2021-07-10 11:14:52,805 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767135811] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:14:52,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351800901] [2021-07-10 11:14:52,805 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 [2021-07-10 11:14:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:14:52,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-10 11:14:52,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:14:53,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-07-10 11:14:53,092 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:14:53,096 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:14:53,096 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:14:53,096 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:10 [2021-07-10 11:14:53,138 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:14:53,138 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351800901] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:14:53,138 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:14:53,138 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10] total 19 [2021-07-10 11:14:53,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287016360] [2021-07-10 11:14:53,139 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 11:14:53,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:14:53,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 11:14:53,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2021-07-10 11:14:53,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:53,141 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:14:53,141 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.3) internal successors, (46), 19 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:14:53,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:14:53,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:14:53,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:53,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:14:53,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:14:53,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:14:53,783 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:14:53,783 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:14:53,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:14:53,784 INFO L82 PathProgramCache]: Analyzing trace with hash -401944231, now seen corresponding path program 1 times [2021-07-10 11:14:53,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:14:53,785 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468043509] [2021-07-10 11:14:53,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:14:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:14:53,861 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:14:53,861 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:14:53,861 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468043509] [2021-07-10 11:14:53,861 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468043509] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:14:53,861 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710439921] [2021-07-10 11:14:53,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:14:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:14:53,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-10 11:14:53,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:14:53,996 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:14:53,996 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710439921] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:14:53,996 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:14:53,997 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-10 11:14:53,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227369887] [2021-07-10 11:14:53,997 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 11:14:53,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:14:53,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 11:14:53,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-07-10 11:14:53,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:53,998 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:14:53,998 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 9 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:14:53,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:14:53,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:14:53,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:14:53,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:54,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:14:54,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:14:54,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:14:54,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:14:54,375 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:14:54,376 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:14:54,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:14:54,376 INFO L82 PathProgramCache]: Analyzing trace with hash -287542864, now seen corresponding path program 2 times [2021-07-10 11:14:54,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:14:54,376 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857792055] [2021-07-10 11:14:54,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:14:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:14:55,177 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:14:55,178 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:14:55,178 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857792055] [2021-07-10 11:14:55,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857792055] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:14:55,178 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409640173] [2021-07-10 11:14:55,178 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) [2021-07-10 11:14:55,216 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 11:14:55,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:14:55,219 WARN L261 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 45 conjunts are in the unsatisfiable core [2021-07-10 11:14:55,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:14:55,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 22 [2021-07-10 11:14:55,806 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:14:55,809 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:14:55,810 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:14:55,810 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:10 [2021-07-10 11:14:55,843 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:14:55,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409640173] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:14:55,843 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:14:55,843 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18] total 35 [2021-07-10 11:14:55,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353045048] [2021-07-10 11:14:55,844 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-07-10 11:14:55,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:14:55,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-07-10 11:14:55,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=1068, Unknown=0, NotChecked=0, Total=1260 [2021-07-10 11:14:55,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:55,845 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:14:55,845 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.1666666666666665) internal successors, (78), 35 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:14:55,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:14:55,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:14:55,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:14:55,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:14:55,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:57,263 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-07-10 11:14:57,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:14:57,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:14:57,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:14:57,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:14:57,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 11:14:57,839 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:14:57,839 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:14:57,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:14:57,839 INFO L82 PathProgramCache]: Analyzing trace with hash -54895035, now seen corresponding path program 2 times [2021-07-10 11:14:57,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:14:57,840 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565012437] [2021-07-10 11:14:57,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:14:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:14:57,984 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 110 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:14:57,985 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:14:57,985 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565012437] [2021-07-10 11:14:57,985 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565012437] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:14:57,985 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757762645] [2021-07-10 11:14:57,985 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:14:58,019 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 11:14:58,019 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:14:58,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 11:14:58,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:14:58,178 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 139 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:14:58,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757762645] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:14:58,179 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:14:58,179 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-07-10 11:14:58,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310866978] [2021-07-10 11:14:58,180 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 11:14:58,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:14:58,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 11:14:58,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-07-10 11:14:58,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:58,180 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:14:58,181 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 4.5) internal successors, (81), 17 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:14:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:14:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:14:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:14:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:14:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 11:14:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:14:58,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:14:58,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:14:58,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:14:58,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:14:58,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 11:14:58,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:14:58,860 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:14:58,861 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:14:58,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:14:58,861 INFO L82 PathProgramCache]: Analyzing trace with hash -365774480, now seen corresponding path program 3 times [2021-07-10 11:14:58,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:14:58,862 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593786930] [2021-07-10 11:14:58,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:14:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:15:01,227 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 91 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:15:01,227 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:15:01,228 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593786930] [2021-07-10 11:15:01,228 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593786930] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:15:01,228 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129656934] [2021-07-10 11:15:01,228 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:15:01,298 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-07-10 11:15:01,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:15:01,300 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 95 conjunts are in the unsatisfiable core [2021-07-10 11:15:01,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:15:05,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:05,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:15:06,354 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2021-07-10 11:15:06,354 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:15:06,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 66 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 70 case distinctions, treesize of input 136 treesize of output 768 [2021-07-10 11:15:06,663 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 1102 DAG size of output: 685 [2021-07-10 11:15:06,965 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 1137 DAG size of output: 720 [2021-07-10 11:15:11,192 WARN L205 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 5436 DAG size of output: 3424 [2021-07-10 11:15:16,745 WARN L205 SmtUtils]: Spent 5.37 s on a formula simplification. DAG size of input: 5467 DAG size of output: 3455 [2021-07-10 11:15:21,422 WARN L205 SmtUtils]: Spent 4.65 s on a formula simplification. DAG size of input: 3226 DAG size of output: 3224 [2021-07-10 11:15:22,073 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 683 [2021-07-10 11:15:22,688 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 678 [2021-07-10 11:15:23,302 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 697 [2021-07-10 11:15:23,897 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 695 [2021-07-10 11:15:24,138 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 633 [2021-07-10 11:15:24,339 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 572 [2021-07-10 11:15:24,495 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-07-10 11:15:24,658 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 496 [2021-07-10 11:15:24,774 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 452 [2021-07-10 11:15:25,003 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 373 [2021-07-10 11:15:25,679 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 494 [2021-07-10 11:15:25,909 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 535 [2021-07-10 11:15:26,194 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 571 [2021-07-10 11:15:26,521 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-07-10 11:15:26,918 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 719 DAG size of output: 671 [2021-07-10 11:15:27,421 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 746 DAG size of output: 699 [2021-07-10 11:15:28,011 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 824 DAG size of output: 769 [2021-07-10 11:15:28,953 WARN L205 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 903 DAG size of output: 847 [2021-07-10 11:15:30,353 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 959 DAG size of output: 903 [2021-07-10 11:15:32,262 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 1009 DAG size of output: 952 [2021-07-10 11:15:34,749 WARN L205 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 1060 DAG size of output: 1003 [2021-07-10 11:15:43,222 WARN L205 SmtUtils]: Spent 8.45 s on a formula simplification. DAG size of input: 2953 DAG size of output: 3101 [2021-07-10 11:15:51,645 WARN L205 SmtUtils]: Spent 8.40 s on a formula simplification. DAG size of input: 2949 DAG size of output: 3049 [2021-07-10 11:15:55,324 WARN L205 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 2943 DAG size of output: 2943 [2021-07-10 11:15:55,929 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 702 [2021-07-10 11:15:56,167 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 658 DAG size of output: 658 [2021-07-10 11:15:56,616 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 625 [2021-07-10 11:15:57,072 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 608 [2021-07-10 11:15:57,264 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 600 [2021-07-10 11:15:57,828 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 492 [2021-07-10 11:15:57,987 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 542 [2021-07-10 11:15:58,153 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 645 DAG size of output: 603 [2021-07-10 11:15:58,361 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 716 DAG size of output: 655 [2021-07-10 11:15:58,521 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 559 [2021-07-10 11:15:58,648 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 520 [2021-07-10 11:15:59,433 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 530 [2021-07-10 11:15:59,575 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 620 DAG size of output: 574 [2021-07-10 11:15:59,774 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 671 DAG size of output: 622 [2021-07-10 11:16:00,006 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 711 DAG size of output: 654 [2021-07-10 11:16:00,498 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 1179 DAG size of output: 988 [2021-07-10 11:16:01,289 WARN L205 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 1263 DAG size of output: 1072 [2021-07-10 11:16:02,450 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1345 DAG size of output: 1151 [2021-07-10 11:16:03,834 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1413 DAG size of output: 1213 [2021-07-10 11:16:05,677 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1521 DAG size of output: 1318 [2021-07-10 11:16:08,635 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 2750 DAG size of output: 2750 [2021-07-10 11:16:11,003 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 2449 DAG size of output: 2449 [2021-07-10 11:16:11,510 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 637 [2021-07-10 11:16:11,949 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 597 [2021-07-10 11:16:12,139 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 576 [2021-07-10 11:16:12,293 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 539 [2021-07-10 11:16:12,430 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 501 [2021-07-10 11:16:13,237 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 460 [2021-07-10 11:16:13,390 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 501 [2021-07-10 11:16:13,597 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 545 [2021-07-10 11:16:13,855 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 593 [2021-07-10 11:16:14,169 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 722 DAG size of output: 684 [2021-07-10 11:16:14,554 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 773 DAG size of output: 729 [2021-07-10 11:16:15,021 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 815 DAG size of output: 763 [2021-07-10 11:16:15,577 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 872 DAG size of output: 814 [2021-07-10 11:16:16,434 WARN L205 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 933 DAG size of output: 875 [2021-07-10 11:16:17,653 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1047 DAG size of output: 986 [2021-07-10 11:16:19,449 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 2139 DAG size of output: 2139 [2021-07-10 11:16:20,863 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1936 DAG size of output: 1936 [2021-07-10 11:16:21,101 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 444 [2021-07-10 11:16:22,037 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 498 [2021-07-10 11:16:22,207 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 548 [2021-07-10 11:16:22,441 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 667 DAG size of output: 619 [2021-07-10 11:16:22,812 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 713 DAG size of output: 665 [2021-07-10 11:16:23,905 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1735 DAG size of output: 1735 [2021-07-10 11:16:24,685 WARN L205 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 1445 DAG size of output: 1445 [2021-07-10 11:16:24,932 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 441 [2021-07-10 11:16:25,174 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 422 [2021-07-10 11:16:26,018 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 441 [2021-07-10 11:16:26,170 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 497 [2021-07-10 11:16:26,352 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 538 [2021-07-10 11:16:26,585 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 582 [2021-07-10 11:16:26,968 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 646 [2021-07-10 11:16:27,538 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 758 DAG size of output: 704 [2021-07-10 11:16:28,693 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1105 DAG size of output: 1135 [2021-07-10 11:16:29,179 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 1100 DAG size of output: 1100 [2021-07-10 11:16:29,751 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 400 [2021-07-10 11:16:30,503 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 410 [2021-07-10 11:16:30,646 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 454 [2021-07-10 11:16:30,830 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 507 DAG size of output: 479 [2021-07-10 11:16:31,089 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 527 [2021-07-10 11:16:31,352 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 718 [2021-07-10 11:16:31,826 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 376 [2021-07-10 11:16:31,964 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 404 [2021-07-10 11:16:32,137 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 578 [2021-07-10 11:16:33,070 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 516 [2021-07-10 11:16:33,304 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 623 [2021-07-10 11:16:33,947 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 294 [2021-07-10 11:16:34,388 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 830 DAG size of output: 778 [2021-07-10 11:16:35,108 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 1037 DAG size of output: 975 [2021-07-10 11:16:36,386 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1562 DAG size of output: 1479 [2021-07-10 11:16:38,458 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 1751 DAG size of output: 1668 [2021-07-10 11:16:38,650 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 294 [2021-07-10 11:16:39,448 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 434 [2021-07-10 11:16:39,704 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 485 [2021-07-10 11:16:40,030 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 513 [2021-07-10 11:16:43,535 WARN L205 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 2438 DAG size of output: 2310 [2021-07-10 11:16:43,677 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-07-10 11:16:43,781 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 498 [2021-07-10 11:16:44,045 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 421 [2021-07-10 11:16:44,764 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 572 [2021-07-10 11:16:44,951 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 597 [2021-07-10 11:16:45,260 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 675 DAG size of output: 641 [2021-07-10 11:16:45,641 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 721 DAG size of output: 685 [2021-07-10 11:16:46,114 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 758 [2021-07-10 11:16:46,719 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 849 DAG size of output: 804 [2021-07-10 11:16:51,450 WARN L205 SmtUtils]: Spent 4.72 s on a formula simplification. DAG size of input: 2914 DAG size of output: 2769 [2021-07-10 11:16:57,369 WARN L205 SmtUtils]: Spent 5.90 s on a formula simplification. DAG size of input: 3279 DAG size of output: 3103 [2021-07-10 11:16:57,724 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 519 [2021-07-10 11:16:58,021 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 500 [2021-07-10 11:16:58,146 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 479 [2021-07-10 11:16:58,701 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 472 [2021-07-10 11:16:59,379 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 393 [2021-07-10 11:16:59,512 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 501 [2021-07-10 11:16:59,690 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 548 [2021-07-10 11:16:59,906 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 587 [2021-07-10 11:17:00,288 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 788 [2021-07-10 11:17:00,771 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 944 DAG size of output: 821 [2021-07-10 11:17:01,460 WARN L205 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 1024 DAG size of output: 901 [2021-07-10 11:17:02,433 WARN L205 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 1099 DAG size of output: 976 [2021-07-10 11:17:10,296 WARN L205 SmtUtils]: Spent 7.85 s on a formula simplification. DAG size of input: 3871 DAG size of output: 3614 [2021-07-10 11:17:20,772 WARN L205 SmtUtils]: Spent 10.45 s on a formula simplification. DAG size of input: 4463 DAG size of output: 4175 [2021-07-10 11:17:21,237 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 610 [2021-07-10 11:17:21,428 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 590 [2021-07-10 11:17:21,586 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 538 [2021-07-10 11:17:21,710 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 486 [2021-07-10 11:17:21,836 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 449 [2021-07-10 11:17:22,102 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 304 [2021-07-10 11:17:22,706 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 490 [2021-07-10 11:17:22,911 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 550 [2021-07-10 11:17:23,148 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 642 DAG size of output: 606 [2021-07-10 11:17:23,446 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 725 DAG size of output: 687 [2021-07-10 11:17:23,815 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 768 DAG size of output: 729 [2021-07-10 11:17:24,281 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 790 [2021-07-10 11:17:24,832 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 904 DAG size of output: 849 [2021-07-10 11:17:25,662 WARN L205 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 979 DAG size of output: 924 [2021-07-10 11:17:38,490 WARN L205 SmtUtils]: Spent 12.82 s on a formula simplification. DAG size of input: 4998 DAG size of output: 4686 [2021-07-10 11:17:55,375 WARN L205 SmtUtils]: Spent 16.86 s on a formula simplification. DAG size of input: 5729 DAG size of output: 5275 [2021-07-10 11:18:18,381 WARN L205 SmtUtils]: Spent 22.97 s on a formula simplification. DAG size of input: 6332 DAG size of output: 5875 [2021-07-10 11:18:48,262 WARN L205 SmtUtils]: Spent 29.84 s on a formula simplification. DAG size of input: 6750 DAG size of output: 6292 [2021-07-10 11:19:24,517 WARN L205 SmtUtils]: Spent 36.22 s on a formula simplification. DAG size of input: 7265 DAG size of output: 6771 [2021-07-10 11:20:00,832 WARN L205 SmtUtils]: Spent 36.27 s on a formula simplification. DAG size of input: 7265 DAG size of output: 6771 [2021-07-10 11:20:39,205 WARN L205 SmtUtils]: Spent 38.18 s on a formula simplification. DAG size of input: 7271 DAG size of output: 6777 [2021-07-10 11:21:59,713 WARN L205 SmtUtils]: Spent 1.34 m on a formula simplification. DAG size of input: 6552 DAG size of output: 7504 [2021-07-10 11:22:34,753 WARN L205 SmtUtils]: Spent 34.95 s on a formula simplification. DAG size of input: 6510 DAG size of output: 6488 [2021-07-10 11:23:03,552 WARN L205 SmtUtils]: Spent 28.75 s on a formula simplification. DAG size of input: 6052 DAG size of output: 6030 [2021-07-10 11:23:51,514 WARN L205 SmtUtils]: Spent 47.91 s on a formula simplification. DAG size of input: 5640 DAG size of output: 6141 [2021-07-10 11:24:11,525 WARN L205 SmtUtils]: Spent 19.94 s on a formula simplification. DAG size of input: 5633 DAG size of output: 5611 [2021-07-10 11:24:15,024 WARN L205 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 2769 DAG size of output: 2769 [2021-07-10 11:24:21,232 WARN L205 SmtUtils]: Spent 6.19 s on a formula simplification. DAG size of input: 2602 DAG size of output: 2754 [2021-07-10 11:24:23,994 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 2597 DAG size of output: 2597 [2021-07-10 11:24:24,180 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 553 [2021-07-10 11:24:24,846 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 522 [2021-07-10 11:24:24,989 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 499 [2021-07-10 11:24:25,369 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 449 [2021-07-10 11:24:26,534 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 728 DAG size of output: 613 [2021-07-10 11:24:26,744 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 865 DAG size of output: 729 [2021-07-10 11:24:26,971 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 1042 DAG size of output: 879 [2021-07-10 11:24:27,378 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 1177 DAG size of output: 993 [2021-07-10 11:24:27,788 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 1327 DAG size of output: 1117 [2021-07-10 11:24:28,316 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 1422 DAG size of output: 1200 [2021-07-10 11:24:29,000 WARN L205 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 1673 DAG size of output: 1388 [2021-07-10 11:24:29,968 WARN L205 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 1946 DAG size of output: 1643 [2021-07-10 11:24:31,168 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 2153 DAG size of output: 1805 [2021-07-10 11:24:36,173 WARN L205 SmtUtils]: Spent 4.98 s on a formula simplification. DAG size of input: 2315 DAG size of output: 2397 [2021-07-10 11:24:38,377 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 2309 DAG size of output: 2309 [2021-07-10 11:24:40,044 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 2021 DAG size of output: 2021 [2021-07-10 11:24:41,340 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1845 DAG size of output: 1845 [2021-07-10 11:24:42,244 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 769 DAG size of output: 647 [2021-07-10 11:24:42,512 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 887 DAG size of output: 738 [2021-07-10 11:24:42,873 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 1068 DAG size of output: 881 [2021-07-10 11:24:43,881 WARN L205 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 1655 DAG size of output: 1655 [2021-07-10 11:24:44,009 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 511 [2021-07-10 11:24:44,997 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 743 [2021-07-10 11:24:45,161 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 939 DAG size of output: 810 [2021-07-10 11:24:45,392 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 897 [2021-07-10 11:24:45,702 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 1179 DAG size of output: 1006 [2021-07-10 11:24:46,215 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 1313 DAG size of output: 1116 [2021-07-10 11:24:46,939 WARN L205 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 1376 DAG size of output: 1376 [2021-07-10 11:24:47,641 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 645 DAG size of output: 521 [2021-07-10 11:24:48,092 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 1051 DAG size of output: 1051 [2021-07-10 11:24:48,946 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 728 DAG size of output: 621 [2021-07-10 11:24:49,190 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 686 DAG size of output: 686 [2021-07-10 11:24:49,345 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 557 [2021-07-10 11:24:50,538 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 854 DAG size of output: 767 [2021-07-10 11:24:50,775 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 1191 DAG size of output: 1078 [2021-07-10 11:24:51,600 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 1537 DAG size of output: 1395 [2021-07-10 11:24:52,277 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 735 DAG size of output: 611 [2021-07-10 11:24:53,083 WARN L205 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 2467 DAG size of output: 2231 [2021-07-10 11:24:53,923 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 556 [2021-07-10 11:24:54,139 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 793 DAG size of output: 670 [2021-07-10 11:24:54,434 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 942 DAG size of output: 788 [2021-07-10 11:24:55,835 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 3287 DAG size of output: 2966 [2021-07-10 11:24:58,004 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 4107 DAG size of output: 3720 [2021-07-10 11:25:00,895 WARN L205 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 4586 DAG size of output: 4165 [2021-07-10 11:25:01,045 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 439 [2021-07-10 11:25:02,115 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 814 DAG size of output: 706 [2021-07-10 11:25:02,354 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 924 DAG size of output: 794 [2021-07-10 11:25:02,680 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 1061 DAG size of output: 905 [2021-07-10 11:25:03,111 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 1108 DAG size of output: 940 [2021-07-10 11:25:03,556 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 1246 DAG size of output: 1042 [2021-07-10 11:25:07,417 WARN L205 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 5229 DAG size of output: 4760 [2021-07-10 11:25:07,932 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 602 [2021-07-10 11:25:08,343 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 588 [2021-07-10 11:25:08,650 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 520 [2021-07-10 11:25:09,190 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 365 [2021-07-10 11:25:09,544 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 294 [2021-07-10 11:25:10,098 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 795 DAG size of output: 737 [2021-07-10 11:25:10,296 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 967 DAG size of output: 909 [2021-07-10 11:25:10,588 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 1145 DAG size of output: 1099 [2021-07-10 11:25:11,073 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 1349 DAG size of output: 1299 [2021-07-10 11:25:11,631 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 1536 DAG size of output: 1486 [2021-07-10 11:25:12,371 WARN L205 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 1861 DAG size of output: 1796 [2021-07-10 11:25:13,406 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 2158 DAG size of output: 2093 [2021-07-10 11:25:14,818 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 2489 DAG size of output: 2423 [2021-07-10 11:25:16,709 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 2813 DAG size of output: 2746 [2021-07-10 11:25:23,189 WARN L205 SmtUtils]: Spent 6.46 s on a formula simplification. DAG size of input: 7471 DAG size of output: 6868 [2021-07-10 11:25:32,984 WARN L205 SmtUtils]: Spent 9.74 s on a formula simplification. DAG size of input: 8840 DAG size of output: 8187 [2021-07-10 11:25:45,497 WARN L205 SmtUtils]: Spent 12.46 s on a formula simplification. DAG size of input: 10182 DAG size of output: 9404 [2021-07-10 11:26:02,595 WARN L205 SmtUtils]: Spent 17.04 s on a formula simplification. DAG size of input: 11800 DAG size of output: 10972 [2021-07-10 11:26:03,277 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 620 DAG size of output: 640 [2021-07-10 11:26:03,849 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 616 [2021-07-10 11:26:04,298 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 637 [2021-07-10 11:26:04,682 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 542 [2021-07-10 11:26:05,008 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-07-10 11:26:05,300 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 567 [2021-07-10 11:26:05,538 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 496 [2021-07-10 11:26:05,724 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 471 [2021-07-10 11:26:06,754 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 981 DAG size of output: 939 [2021-07-10 11:26:07,002 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 1076 [2021-07-10 11:26:07,507 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 1368 DAG size of output: 1332 [2021-07-10 11:26:08,249 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 1818 DAG size of output: 1780 [2021-07-10 11:26:09,012 WARN L205 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 2091 DAG size of output: 2054 [2021-07-10 11:26:10,012 WARN L205 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 2373 DAG size of output: 2336 [2021-07-10 11:26:11,351 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 2670 DAG size of output: 2633 [2021-07-10 11:26:13,056 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 2757 DAG size of output: 2720 [2021-07-10 11:26:15,223 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 3068 DAG size of output: 3031 [2021-07-10 11:26:17,970 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 3412 DAG size of output: 3375 [2021-07-10 11:26:21,366 WARN L205 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 3740 DAG size of output: 3703 [2021-07-10 11:26:25,572 WARN L205 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 3780 DAG size of output: 3743 [2021-07-10 11:26:49,502 WARN L205 SmtUtils]: Spent 23.89 s on a formula simplification. DAG size of input: 13975 DAG size of output: 13102 [2021-07-10 11:27:01,735 WARN L205 SmtUtils]: Spent 12.15 s on a formula simplification. DAG size of input: 4542 DAG size of output: 4521 [2021-07-10 11:27:02,522 WARN L205 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 921 DAG size of output: 905 [2021-07-10 11:27:02,708 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 550 [2021-07-10 11:27:03,469 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 524 [2021-07-10 11:27:03,616 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 497 [2021-07-10 11:27:03,738 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 447 [2021-07-10 11:27:04,670 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 595 [2021-07-10 11:27:04,906 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 843 DAG size of output: 741 [2021-07-10 11:27:05,222 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 989 DAG size of output: 852 [2021-07-10 11:27:05,673 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 1172 DAG size of output: 1020 [2021-07-10 11:27:06,095 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 1325 DAG size of output: 1144 [2021-07-10 11:27:06,787 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 1503 DAG size of output: 1290 [2021-07-10 11:27:07,626 WARN L205 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 1613 DAG size of output: 1385 [2021-07-10 11:27:08,837 WARN L205 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 1878 DAG size of output: 1600 [2021-07-10 11:27:10,023 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 2121 DAG size of output: 1826 [2021-07-10 11:27:11,500 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 2336 DAG size of output: 2001 [2021-07-10 11:27:12,271 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 570 [2021-07-10 11:27:12,466 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 607 [2021-07-10 11:27:12,705 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 757 DAG size of output: 669 [2021-07-10 11:27:12,990 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 783 DAG size of output: 692 [2021-07-10 11:27:13,342 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 766 [2021-07-10 11:27:13,795 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 794 DAG size of output: 779 [2021-07-10 11:27:14,587 WARN L205 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 737 DAG size of output: 845 [2021-07-10 11:27:14,886 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 708 DAG size of output: 693 [2021-07-10 11:27:15,469 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 545 [2021-07-10 11:27:15,629 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 611 [2021-07-10 11:27:15,822 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 653 [2021-07-10 11:27:16,061 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 663 DAG size of output: 648 [2021-07-10 11:27:16,659 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 612 [2021-07-10 11:27:16,828 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 729 DAG size of output: 645 [2021-07-10 11:27:17,275 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 585 DAG size of output: 606 [2021-07-10 11:27:18,974 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 668 [2021-07-10 11:27:19,127 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 940 DAG size of output: 803 [2021-07-10 11:27:20,783 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 2903 DAG size of output: 2652 [2021-07-10 11:27:22,574 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 3379 DAG size of output: 3082 [2021-07-10 11:27:24,931 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 3692 DAG size of output: 3364 [2021-07-10 11:27:28,093 WARN L205 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 4097 DAG size of output: 3755 [2021-07-10 11:27:28,961 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 470 [2021-07-10 11:27:29,083 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 529 [2021-07-10 11:27:29,235 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 575 [2021-07-10 11:27:29,429 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 754 DAG size of output: 651 [2021-07-10 11:27:29,750 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 875 DAG size of output: 743 [2021-07-10 11:27:30,137 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 926 DAG size of output: 782 [2021-07-10 11:27:34,194 WARN L205 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 4633 DAG size of output: 4244 [2021-07-10 11:27:40,946 WARN L205 SmtUtils]: Spent 6.72 s on a formula simplification. DAG size of input: 5823 DAG size of output: 5356 [2021-07-10 11:27:50,670 WARN L205 SmtUtils]: Spent 9.68 s on a formula simplification. DAG size of input: 4049 DAG size of output: 4028 [2021-07-10 11:27:53,336 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 1003 DAG size of output: 1053 [2021-07-10 11:27:55,612 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 979 DAG size of output: 1088 [2021-07-10 11:27:57,438 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 925 DAG size of output: 1039 [2021-07-10 11:27:58,968 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 837 DAG size of output: 891 [2021-07-10 11:28:00,463 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 834 DAG size of output: 843 [2021-07-10 11:28:01,761 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 822 DAG size of output: 846 [2021-07-10 11:28:02,897 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 802 DAG size of output: 845 [2021-07-10 11:28:03,862 WARN L205 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 768 DAG size of output: 775 [2021-07-10 11:28:04,202 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 736 [2021-07-10 11:28:04,946 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1214 DAG size of output: 1195 [2021-07-10 11:28:05,164 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 1432 DAG size of output: 1414 [2021-07-10 11:28:05,487 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 1616 DAG size of output: 1598 [2021-07-10 11:28:05,988 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 717 [2021-07-10 11:28:06,160 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 586 [2021-07-10 11:28:06,375 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 354 [2021-07-10 11:28:06,963 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 1143 [2021-07-10 11:28:07,763 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 1975 DAG size of output: 1861 [2021-07-10 11:28:08,375 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 968 DAG size of output: 889 [2021-07-10 11:28:08,577 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 1138 DAG size of output: 1060 [2021-07-10 11:28:09,724 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 2941 DAG size of output: 2801 [2021-07-10 11:28:11,030 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 3375 DAG size of output: 3232 [2021-07-10 11:28:13,190 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 4463 DAG size of output: 4312 [2021-07-10 11:28:16,229 WARN L205 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 4777 DAG size of output: 4625 [2021-07-10 11:28:20,386 WARN L205 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 5267 DAG size of output: 5113 [2021-07-10 11:28:25,820 WARN L205 SmtUtils]: Spent 5.40 s on a formula simplification. DAG size of input: 5837 DAG size of output: 5682 [2021-07-10 11:28:32,857 WARN L205 SmtUtils]: Spent 6.99 s on a formula simplification. DAG size of input: 6374 DAG size of output: 6218 [2021-07-10 11:28:41,744 WARN L205 SmtUtils]: Spent 8.84 s on a formula simplification. DAG size of input: 6719 DAG size of output: 6561 [2021-07-10 11:28:52,776 WARN L205 SmtUtils]: Spent 10.98 s on a formula simplification. DAG size of input: 7099 DAG size of output: 6940 [2021-07-10 11:29:06,519 WARN L205 SmtUtils]: Spent 13.69 s on a formula simplification. DAG size of input: 7698 DAG size of output: 7537 [2021-07-10 11:29:23,501 WARN L205 SmtUtils]: Spent 16.93 s on a formula simplification. DAG size of input: 8328 DAG size of output: 8164 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown