/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 04:20:28,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 04:20:28,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 04:20:28,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 04:20:28,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 04:20:28,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 04:20:28,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 04:20:28,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 04:20:28,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 04:20:28,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 04:20:28,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 04:20:28,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 04:20:28,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 04:20:28,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 04:20:28,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 04:20:28,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 04:20:28,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 04:20:28,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 04:20:28,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 04:20:28,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 04:20:28,979 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-DelaySleep-NoLbe.epf [2021-06-06 04:20:29,014 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 04:20:29,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 04:20:29,014 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 04:20:29,015 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 04:20:29,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 04:20:29,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 04:20:29,017 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 04:20:29,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 04:20:29,018 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 04:20:29,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 04:20:29,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 04:20:29,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 04:20:29,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 04:20:29,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 04:20:29,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 04:20:29,019 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 04:20:29,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 04:20:29,020 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 04:20:29,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 04:20:29,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 04:20:29,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 04:20:29,020 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 04:20:29,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 04:20:29,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 04:20:29,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 04:20:29,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 04:20:29,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 04:20:29,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 04:20:29,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 04:20:29,021 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 04:20:29,021 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 04:20:29,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 04:20:29,022 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 04:20:29,022 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 04:20:29,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 04:20:29,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 04:20:29,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 04:20:29,325 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 04:20:29,327 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 04:20:29,328 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl [2021-06-06 04:20:29,328 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl' [2021-06-06 04:20:29,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 04:20:29,357 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 04:20:29,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 04:20:29,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 04:20:29,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 04:20:29,370 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 06.06 04:20:29" (1/1) ... [2021-06-06 04:20:29,379 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 06.06 04:20:29" (1/1) ... [2021-06-06 04:20:29,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 04:20:29,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 04:20:29,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 04:20:29,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 04:20:29,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:20:29" (1/1) ... [2021-06-06 04:20:29,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:20:29" (1/1) ... [2021-06-06 04:20:29,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:20:29" (1/1) ... [2021-06-06 04:20:29,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:20:29" (1/1) ... [2021-06-06 04:20:29,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:20:29" (1/1) ... [2021-06-06 04:20:29,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:20:29" (1/1) ... [2021-06-06 04:20:29,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:20:29" (1/1) ... [2021-06-06 04:20:29,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 04:20:29,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 04:20:29,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 04:20:29,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 04:20:29,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:20:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 04:20:29,471 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 04:20:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 04:20:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 04:20:29,471 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 04:20:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 04:20:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 04:20:29,471 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 04:20:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 04:20:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 04:20:29,472 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 04:20:29,649 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 04:20:29,649 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 04:20:29,652 INFO L202 PluginConnector]: Adding new model misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 04:20:29 BoogieIcfgContainer [2021-06-06 04:20:29,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 04:20:29,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 04:20:29,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 04:20:29,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 04:20:29,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:20:29" (1/2) ... [2021-06-06 04:20:29,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35cd8682 and model type misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 04:20:29, skipping insertion in model container [2021-06-06 04:20:29,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 04:20:29" (2/2) ... [2021-06-06 04:20:29,669 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-1.wvr.bpl [2021-06-06 04:20:29,673 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 04:20:29,673 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 04:20:29,674 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 04:20:29,674 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 04:20:29,719 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-06 04:20:29,747 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 04:20:29,813 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 04:20:29,814 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 04:20:29,814 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 04:20:29,814 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 04:20:29,814 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 04:20:29,814 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 04:20:29,814 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 04:20:29,814 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 04:20:29,883 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:20:29,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:20:29,892 INFO L82 PathProgramCache]: Analyzing trace with hash 551372010, now seen corresponding path program 1 times [2021-06-06 04:20:29,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:20:29,900 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838016734] [2021-06-06 04:20:29,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:20:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:20:30,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:20:30,176 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:20:30,176 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838016734] [2021-06-06 04:20:30,176 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838016734] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 04:20:30,177 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 04:20:30,177 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-06 04:20:30,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055871336] [2021-06-06 04:20:30,183 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 04:20:30,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:20:30,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 04:20:30,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-06 04:20:30,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:20:30,204 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:20:30,207 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) [2021-06-06 04:20:30,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:20:30,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:20:30,370 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 04:20:30,370 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:20:30,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:20:30,374 INFO L82 PathProgramCache]: Analyzing trace with hash 2089023387, now seen corresponding path program 1 times [2021-06-06 04:20:30,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:20:30,374 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543780635] [2021-06-06 04:20:30,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:20:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:20:30,457 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 04:20:30,457 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:20:30,457 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543780635] [2021-06-06 04:20:30,458 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543780635] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:20:30,458 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277910523] [2021-06-06 04:20:30,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:20:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:20:30,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-06 04:20:30,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:20:30,612 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:20:30,612 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277910523] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:20:30,612 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:20:30,613 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-06-06 04:20:30,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454460438] [2021-06-06 04:20:30,614 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 04:20:30,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:20:30,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 04:20:30,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-06-06 04:20:30,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:20:30,615 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:20:30,615 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) [2021-06-06 04:20:30,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:20:30,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:20:30,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:20:30,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 04:20:30,945 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:20:30,945 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:20:30,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:20:30,946 INFO L82 PathProgramCache]: Analyzing trace with hash 655496662, now seen corresponding path program 1 times [2021-06-06 04:20:30,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:20:30,946 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427286327] [2021-06-06 04:20:30,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:20:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:20:31,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:20:31,516 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:20:31,516 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427286327] [2021-06-06 04:20:31,516 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427286327] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:20:31,516 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211028314] [2021-06-06 04:20:31,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:20:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:20:31,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-06 04:20:31,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:20:31,839 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 [2021-06-06 04:20:31,841 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:20:31,845 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:20:31,846 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:20:31,846 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:10 [2021-06-06 04:20:31,883 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:20:31,883 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211028314] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:20:31,883 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:20:31,884 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10] total 19 [2021-06-06 04:20:31,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924852506] [2021-06-06 04:20:31,885 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 04:20:31,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:20:31,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 04:20:31,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2021-06-06 04:20:31,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:20:31,890 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:20:31,890 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.35) internal successors, (47), 19 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:20:31,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:20:31,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 04:20:31,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:20:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:20:32,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 04:20:32,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:20:32,776 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:20:32,776 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:20:32,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:20:32,777 INFO L82 PathProgramCache]: Analyzing trace with hash -488912293, now seen corresponding path program 1 times [2021-06-06 04:20:32,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:20:32,777 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076826339] [2021-06-06 04:20:32,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:20:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:20:32,850 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:20:32,850 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:20:32,850 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076826339] [2021-06-06 04:20:32,850 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076826339] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:20:32,851 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669719363] [2021-06-06 04:20:32,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:20:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:20:32,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-06 04:20:32,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:20:33,006 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:20:33,007 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669719363] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:20:33,007 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:20:33,012 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-06-06 04:20:33,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62928155] [2021-06-06 04:20:33,013 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 04:20:33,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:20:33,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 04:20:33,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-06-06 04:20:33,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:20:33,014 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:20:33,014 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:20:33,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:20:33,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 04:20:33,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:20:33,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:20:33,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:20:33,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 04:20:33,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:20:33,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:20:33,413 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:20:33,413 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:20:33,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:20:33,413 INFO L82 PathProgramCache]: Analyzing trace with hash -514289982, now seen corresponding path program 2 times [2021-06-06 04:20:33,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:20:33,414 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303950828] [2021-06-06 04:20:33,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:20:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:20:34,425 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:20:34,425 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:20:34,425 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303950828] [2021-06-06 04:20:34,425 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303950828] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:20:34,425 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344896779] [2021-06-06 04:20:34,425 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:20:34,468 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 04:20:34,468 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:20:34,469 WARN L261 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 45 conjunts are in the unsatisfiable core [2021-06-06 04:20:34,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:20:35,146 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 [2021-06-06 04:20:35,151 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:20:35,156 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:20:35,156 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:20:35,157 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:10 [2021-06-06 04:20:35,195 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:20:35,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344896779] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:20:35,195 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:20:35,196 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18] total 35 [2021-06-06 04:20:35,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443514088] [2021-06-06 04:20:35,196 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-06 04:20:35,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:20:35,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-06 04:20:35,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=1068, Unknown=0, NotChecked=0, Total=1260 [2021-06-06 04:20:35,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:20:35,197 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:20:35,198 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.1944444444444446) internal successors, (79), 35 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:20:35,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:20:35,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 04:20:35,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:20:35,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:20:35,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:20:36,643 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-06-06 04:20:38,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:20:38,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 04:20:38,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:20:38,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:20:38,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:20:38,284 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:20:38,285 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:20:38,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:20:38,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1025647515, now seen corresponding path program 2 times [2021-06-06 04:20:38,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:20:38,285 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638605969] [2021-06-06 04:20:38,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:20:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:20:38,459 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 110 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:20:38,459 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:20:38,459 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638605969] [2021-06-06 04:20:38,459 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638605969] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:20:38,459 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935962311] [2021-06-06 04:20:38,459 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 [2021-06-06 04:20:38,507 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 04:20:38,507 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:20:38,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 04:20:38,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:20:38,695 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 139 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:20:38,695 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935962311] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:20:38,695 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:20:38,696 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-06-06 04:20:38,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655735308] [2021-06-06 04:20:38,697 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-06 04:20:38,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:20:38,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-06 04:20:38,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-06-06 04:20:38,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:20:38,698 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:20:38,698 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 4.444444444444445) internal successors, (80), 17 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:20:38,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:20:38,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 04:20:38,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:20:38,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:20:38,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:20:38,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:20:39,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:20:39,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 04:20:39,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:20:39,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:20:39,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:20:39,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:20:39,264 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:20:39,265 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:20:39,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:20:39,265 INFO L82 PathProgramCache]: Analyzing trace with hash -76158586, now seen corresponding path program 3 times [2021-06-06 04:20:39,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:20:39,265 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608701633] [2021-06-06 04:20:39,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:20:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:20:42,089 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 91 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:20:42,089 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:20:42,089 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608701633] [2021-06-06 04:20:42,089 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608701633] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:20:42,089 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834454519] [2021-06-06 04:20:42,089 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 [2021-06-06 04:20:42,154 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-06-06 04:20:42,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:20:42,156 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 95 conjunts are in the unsatisfiable core [2021-06-06 04:20:42,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:20:46,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:20:46,815 INFO L244 Elim1Store]: Index analysis took 102 ms [2021-06-06 04:20:47,470 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2021-06-06 04:20:47,471 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:20:47,471 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 [2021-06-06 04:20:47,942 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 1102 DAG size of output: 685 [2021-06-06 04:20:48,341 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 1137 DAG size of output: 720 [2021-06-06 04:20:52,679 WARN L205 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 5436 DAG size of output: 3424 [2021-06-06 04:20:58,123 WARN L205 SmtUtils]: Spent 5.19 s on a formula simplification. DAG size of input: 5467 DAG size of output: 3455 [2021-06-06 04:21:02,596 WARN L205 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 3226 DAG size of output: 3224 [2021-06-06 04:21:03,258 WARN L205 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 683 [2021-06-06 04:21:03,856 WARN L205 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 678 [2021-06-06 04:21:04,460 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 697 [2021-06-06 04:21:05,105 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 695 [2021-06-06 04:21:05,387 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 633 [2021-06-06 04:21:05,570 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 572 [2021-06-06 04:21:05,792 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-06-06 04:21:05,987 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 496 [2021-06-06 04:21:06,141 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 452 [2021-06-06 04:21:06,259 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 409 [2021-06-06 04:21:06,474 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 373 [2021-06-06 04:21:07,205 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 448 [2021-06-06 04:21:07,454 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 494 [2021-06-06 04:21:07,703 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 535 [2021-06-06 04:21:07,971 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 571 [2021-06-06 04:21:08,295 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-06-06 04:21:08,684 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 719 DAG size of output: 671 [2021-06-06 04:21:09,242 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 746 DAG size of output: 699 [2021-06-06 04:21:09,823 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 824 DAG size of output: 769 [2021-06-06 04:21:10,747 WARN L205 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 903 DAG size of output: 847 [2021-06-06 04:21:12,097 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 959 DAG size of output: 903 [2021-06-06 04:21:14,101 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 1009 DAG size of output: 952 [2021-06-06 04:21:16,595 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 1060 DAG size of output: 1003 [2021-06-06 04:21:25,003 WARN L205 SmtUtils]: Spent 8.39 s on a formula simplification. DAG size of input: 2953 DAG size of output: 3101 [2021-06-06 04:21:33,294 WARN L205 SmtUtils]: Spent 8.26 s on a formula simplification. DAG size of input: 2949 DAG size of output: 3049 [2021-06-06 04:21:36,966 WARN L205 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 2943 DAG size of output: 2943 [2021-06-06 04:21:37,587 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 702 [2021-06-06 04:21:37,826 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 658 DAG size of output: 658 [2021-06-06 04:21:38,285 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 625 [2021-06-06 04:21:38,742 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 608 [2021-06-06 04:21:38,937 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 600 [2021-06-06 04:21:39,442 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 414 [2021-06-06 04:21:39,710 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 492 [2021-06-06 04:21:39,922 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 542 [2021-06-06 04:21:40,097 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 645 DAG size of output: 603 [2021-06-06 04:21:40,306 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 716 DAG size of output: 655 [2021-06-06 04:21:40,473 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 559 [2021-06-06 04:21:40,600 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 520 [2021-06-06 04:21:40,739 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 478 [2021-06-06 04:21:40,860 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 438 [2021-06-06 04:21:41,609 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 530 [2021-06-06 04:21:41,751 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 620 DAG size of output: 574 [2021-06-06 04:21:41,946 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 671 DAG size of output: 622 [2021-06-06 04:21:42,179 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 711 DAG size of output: 654 [2021-06-06 04:21:42,661 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 1179 DAG size of output: 988 [2021-06-06 04:21:43,452 WARN L205 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 1263 DAG size of output: 1072 [2021-06-06 04:21:44,588 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1345 DAG size of output: 1151 [2021-06-06 04:21:45,963 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1413 DAG size of output: 1213 [2021-06-06 04:21:47,794 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 1521 DAG size of output: 1318 [2021-06-06 04:21:50,740 WARN L205 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 2750 DAG size of output: 2750 [2021-06-06 04:21:53,096 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 2449 DAG size of output: 2449 [2021-06-06 04:21:53,595 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 637 [2021-06-06 04:21:54,041 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 597 [2021-06-06 04:21:54,229 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 576 [2021-06-06 04:21:54,385 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 539 [2021-06-06 04:21:54,546 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 501 [2021-06-06 04:21:54,679 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 464 DAG size of output: 464 [2021-06-06 04:21:55,452 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 460 [2021-06-06 04:21:55,602 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 501 [2021-06-06 04:21:55,808 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 545 [2021-06-06 04:21:56,056 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 593 [2021-06-06 04:21:56,371 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 722 DAG size of output: 684 [2021-06-06 04:21:56,748 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 773 DAG size of output: 729 [2021-06-06 04:21:57,202 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 815 DAG size of output: 763 [2021-06-06 04:21:57,771 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 872 DAG size of output: 814 [2021-06-06 04:21:58,619 WARN L205 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 933 DAG size of output: 875 [2021-06-06 04:21:59,831 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1047 DAG size of output: 986 [2021-06-06 04:22:01,637 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 2139 DAG size of output: 2139 [2021-06-06 04:22:03,038 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1936 DAG size of output: 1936 [2021-06-06 04:22:03,274 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 444 [2021-06-06 04:22:04,125 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 436 [2021-06-06 04:22:04,259 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 498 [2021-06-06 04:22:04,423 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 548 [2021-06-06 04:22:04,654 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 667 DAG size of output: 619 [2021-06-06 04:22:05,014 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 713 DAG size of output: 665 [2021-06-06 04:22:06,114 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1735 DAG size of output: 1735 [2021-06-06 04:22:06,898 WARN L205 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 1445 DAG size of output: 1445 [2021-06-06 04:22:07,141 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 441 [2021-06-06 04:22:07,376 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 422 [2021-06-06 04:22:08,207 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 441 [2021-06-06 04:22:08,360 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 497 [2021-06-06 04:22:08,543 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 538 [2021-06-06 04:22:08,776 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 582 [2021-06-06 04:22:09,159 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 646 [2021-06-06 04:22:09,715 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 758 DAG size of output: 704 [2021-06-06 04:22:10,853 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1105 DAG size of output: 1135 [2021-06-06 04:22:11,332 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 1100 DAG size of output: 1100 [2021-06-06 04:22:11,946 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 400 [2021-06-06 04:22:12,723 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 410 [2021-06-06 04:22:12,866 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 454 [2021-06-06 04:22:13,044 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 507 DAG size of output: 479 [2021-06-06 04:22:13,282 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 527 [2021-06-06 04:22:13,540 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 718 [2021-06-06 04:22:14,020 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 376 [2021-06-06 04:22:14,160 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 404 [2021-06-06 04:22:14,328 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 578 [2021-06-06 04:22:15,308 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 516 [2021-06-06 04:22:15,540 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 623 [2021-06-06 04:22:16,262 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 294 [2021-06-06 04:22:16,706 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 830 DAG size of output: 778 [2021-06-06 04:22:17,411 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 1037 DAG size of output: 975 [2021-06-06 04:22:18,709 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1562 DAG size of output: 1479 [2021-06-06 04:22:20,772 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 1751 DAG size of output: 1668 [2021-06-06 04:22:20,954 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 294 [2021-06-06 04:22:21,573 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 390 [2021-06-06 04:22:21,741 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 434 [2021-06-06 04:22:22,003 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 485 [2021-06-06 04:22:22,324 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 513 [2021-06-06 04:22:25,836 WARN L205 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 2438 DAG size of output: 2310 [2021-06-06 04:22:25,982 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-06-06 04:22:26,088 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 498 [2021-06-06 04:22:26,346 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 421 [2021-06-06 04:22:27,057 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 572 [2021-06-06 04:22:27,248 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 597 [2021-06-06 04:22:27,558 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 675 DAG size of output: 641 [2021-06-06 04:22:27,937 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 721 DAG size of output: 685 [2021-06-06 04:22:28,407 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 758 [2021-06-06 04:22:29,007 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 849 DAG size of output: 804 [2021-06-06 04:22:33,763 WARN L205 SmtUtils]: Spent 4.75 s on a formula simplification. DAG size of input: 2914 DAG size of output: 2769 [2021-06-06 04:22:39,751 WARN L205 SmtUtils]: Spent 5.97 s on a formula simplification. DAG size of input: 3279 DAG size of output: 3103 [2021-06-06 04:22:40,092 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 519 [2021-06-06 04:22:40,389 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 500 [2021-06-06 04:22:40,513 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 479 [2021-06-06 04:22:41,079 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 472 [2021-06-06 04:22:41,905 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 501 [2021-06-06 04:22:42,079 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 548 [2021-06-06 04:22:42,304 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 587 [2021-06-06 04:22:42,684 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 788 [2021-06-06 04:22:43,178 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 944 DAG size of output: 821 [2021-06-06 04:22:43,875 WARN L205 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 1024 DAG size of output: 901 [2021-06-06 04:22:44,868 WARN L205 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 1099 DAG size of output: 976 [2021-06-06 04:22:52,854 WARN L205 SmtUtils]: Spent 7.98 s on a formula simplification. DAG size of input: 3871 DAG size of output: 3614 [2021-06-06 04:23:03,451 WARN L205 SmtUtils]: Spent 10.58 s on a formula simplification. DAG size of input: 4463 DAG size of output: 4175 [2021-06-06 04:23:03,916 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 610 [2021-06-06 04:23:04,107 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 590 [2021-06-06 04:23:04,265 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 538 [2021-06-06 04:23:04,391 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 486 [2021-06-06 04:23:04,835 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 304 [2021-06-06 04:23:05,433 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 490 [2021-06-06 04:23:05,665 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 550 [2021-06-06 04:23:05,905 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 642 DAG size of output: 606 [2021-06-06 04:23:06,208 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 725 DAG size of output: 687 [2021-06-06 04:23:06,587 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 768 DAG size of output: 729 [2021-06-06 04:23:07,058 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 790 [2021-06-06 04:23:07,615 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 904 DAG size of output: 849 [2021-06-06 04:23:08,474 WARN L205 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 979 DAG size of output: 924 [2021-06-06 04:23:21,492 WARN L205 SmtUtils]: Spent 13.01 s on a formula simplification. DAG size of input: 4998 DAG size of output: 4686 [2021-06-06 04:23:38,712 WARN L205 SmtUtils]: Spent 17.19 s on a formula simplification. DAG size of input: 5729 DAG size of output: 5275 [2021-06-06 04:24:02,021 WARN L205 SmtUtils]: Spent 23.27 s on a formula simplification. DAG size of input: 6332 DAG size of output: 5875 [2021-06-06 04:24:32,445 WARN L205 SmtUtils]: Spent 30.38 s on a formula simplification. DAG size of input: 6750 DAG size of output: 6292 [2021-06-06 04:25:09,553 WARN L205 SmtUtils]: Spent 37.07 s on a formula simplification. DAG size of input: 7265 DAG size of output: 6771 [2021-06-06 04:25:46,550 WARN L205 SmtUtils]: Spent 36.95 s on a formula simplification. DAG size of input: 7265 DAG size of output: 6771 [2021-06-06 04:26:25,568 WARN L205 SmtUtils]: Spent 38.78 s on a formula simplification. DAG size of input: 7271 DAG size of output: 6777 [2021-06-06 04:27:47,227 WARN L205 SmtUtils]: Spent 1.36 m on a formula simplification. DAG size of input: 6552 DAG size of output: 7504 [2021-06-06 04:28:22,980 WARN L205 SmtUtils]: Spent 35.67 s on a formula simplification. DAG size of input: 6510 DAG size of output: 6488 [2021-06-06 04:28:52,430 WARN L205 SmtUtils]: Spent 29.40 s on a formula simplification. DAG size of input: 6052 DAG size of output: 6030 [2021-06-06 04:29:41,431 WARN L205 SmtUtils]: Spent 48.94 s on a formula simplification. DAG size of input: 5640 DAG size of output: 6141 [2021-06-06 04:30:01,840 WARN L205 SmtUtils]: Spent 20.33 s on a formula simplification. DAG size of input: 5633 DAG size of output: 5611 [2021-06-06 04:30:05,503 WARN L205 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 2769 DAG size of output: 2769 [2021-06-06 04:30:11,930 WARN L205 SmtUtils]: Spent 6.40 s on a formula simplification. DAG size of input: 2602 DAG size of output: 2754 [2021-06-06 04:30:14,775 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 2597 DAG size of output: 2597 [2021-06-06 04:30:14,968 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 553 [2021-06-06 04:30:15,659 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 522 [2021-06-06 04:30:15,806 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 499 [2021-06-06 04:30:16,191 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 449 [2021-06-06 04:30:17,511 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 728 DAG size of output: 613 [2021-06-06 04:30:17,736 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 865 DAG size of output: 729 [2021-06-06 04:30:18,001 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 1042 DAG size of output: 879 [2021-06-06 04:30:18,415 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 1177 DAG size of output: 993 [2021-06-06 04:30:18,830 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 1327 DAG size of output: 1117 [2021-06-06 04:30:19,362 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 1422 DAG size of output: 1200 [2021-06-06 04:30:20,073 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 1673 DAG size of output: 1388 [2021-06-06 04:30:21,054 WARN L205 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 1946 DAG size of output: 1643 [2021-06-06 04:30:22,273 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 2153 DAG size of output: 1805 [2021-06-06 04:30:27,354 WARN L205 SmtUtils]: Spent 5.06 s on a formula simplification. DAG size of input: 2315 DAG size of output: 2397 [2021-06-06 04:30:29,599 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 2309 DAG size of output: 2309 [2021-06-06 04:30:31,285 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 2021 DAG size of output: 2021 [2021-06-06 04:30:32,600 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1845 DAG size of output: 1845 [2021-06-06 04:30:32,710 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 409 [2021-06-06 04:30:33,631 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 769 DAG size of output: 647 [2021-06-06 04:30:33,987 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 887 DAG size of output: 738 [2021-06-06 04:30:34,459 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 1068 DAG size of output: 881 [2021-06-06 04:30:35,495 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1655 DAG size of output: 1655 [2021-06-06 04:30:35,626 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 511 [2021-06-06 04:30:35,731 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 473 [2021-06-06 04:30:36,717 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 743 [2021-06-06 04:30:36,918 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 939 DAG size of output: 810 [2021-06-06 04:30:37,151 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 897 [2021-06-06 04:30:37,473 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 1179 DAG size of output: 1006 [2021-06-06 04:30:38,000 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 1313 DAG size of output: 1116 [2021-06-06 04:30:38,739 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 1376 DAG size of output: 1376 [2021-06-06 04:30:39,466 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 645 DAG size of output: 521 [2021-06-06 04:30:39,916 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 1051 DAG size of output: 1051 [2021-06-06 04:30:40,808 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 728 DAG size of output: 621 [2021-06-06 04:30:41,053 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 686 DAG size of output: 686 [2021-06-06 04:30:41,213 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 557 [2021-06-06 04:30:42,436 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 854 DAG size of output: 767 [2021-06-06 04:30:42,681 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 1191 DAG size of output: 1078 [2021-06-06 04:30:43,514 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 1537 DAG size of output: 1395 [2021-06-06 04:30:44,221 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 735 DAG size of output: 611 [2021-06-06 04:30:45,033 WARN L205 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 2467 DAG size of output: 2231 [2021-06-06 04:30:45,894 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 556 [2021-06-06 04:30:46,115 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 793 DAG size of output: 670 [2021-06-06 04:30:46,418 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 942 DAG size of output: 788 [2021-06-06 04:30:47,846 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 3287 DAG size of output: 2966 [2021-06-06 04:30:50,088 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 4107 DAG size of output: 3720 [2021-06-06 04:30:53,014 WARN L205 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 4586 DAG size of output: 4165 [2021-06-06 04:30:53,164 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 439 [2021-06-06 04:30:53,369 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 404 [2021-06-06 04:30:54,232 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 814 DAG size of output: 706 [2021-06-06 04:30:54,465 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 924 DAG size of output: 794 [2021-06-06 04:30:54,794 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 1061 DAG size of output: 905 [2021-06-06 04:30:55,228 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 1108 DAG size of output: 940 [2021-06-06 04:30:55,668 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 1246 DAG size of output: 1042 [2021-06-06 04:30:59,618 WARN L205 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 5229 DAG size of output: 4760 [2021-06-06 04:31:00,130 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 602 [2021-06-06 04:31:00,543 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 588 [2021-06-06 04:31:00,854 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 520 [2021-06-06 04:31:01,405 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 365 [2021-06-06 04:31:01,772 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 294 [2021-06-06 04:31:02,358 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 795 DAG size of output: 737 [2021-06-06 04:31:02,554 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 967 DAG size of output: 909 [2021-06-06 04:31:02,844 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 1145 DAG size of output: 1099 [2021-06-06 04:31:03,349 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 1349 DAG size of output: 1299 [2021-06-06 04:31:03,937 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 1536 DAG size of output: 1486 [2021-06-06 04:31:04,691 WARN L205 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 1861 DAG size of output: 1796 [2021-06-06 04:31:05,731 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 2158 DAG size of output: 2093 [2021-06-06 04:31:07,149 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 2489 DAG size of output: 2423 [2021-06-06 04:31:09,048 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 2813 DAG size of output: 2746 [2021-06-06 04:31:15,550 WARN L205 SmtUtils]: Spent 6.48 s on a formula simplification. DAG size of input: 7471 DAG size of output: 6868 [2021-06-06 04:31:25,524 WARN L205 SmtUtils]: Spent 9.92 s on a formula simplification. DAG size of input: 8840 DAG size of output: 8187 [2021-06-06 04:31:38,156 WARN L205 SmtUtils]: Spent 12.58 s on a formula simplification. DAG size of input: 10182 DAG size of output: 9404 [2021-06-06 04:31:55,368 WARN L205 SmtUtils]: Spent 17.15 s on a formula simplification. DAG size of input: 11800 DAG size of output: 10972 [2021-06-06 04:31:56,057 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 620 DAG size of output: 640 [2021-06-06 04:31:56,618 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 616 [2021-06-06 04:31:57,070 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 637 [2021-06-06 04:31:57,451 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 542 [2021-06-06 04:31:57,775 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-06-06 04:31:58,061 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 567 [2021-06-06 04:31:58,300 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 496 [2021-06-06 04:31:58,488 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 471 [2021-06-06 04:31:59,532 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 981 DAG size of output: 939 [2021-06-06 04:31:59,785 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 1076 [2021-06-06 04:32:00,306 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 1368 DAG size of output: 1332 [2021-06-06 04:32:01,061 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 1818 DAG size of output: 1780 [2021-06-06 04:32:01,810 WARN L205 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 2091 DAG size of output: 2054 [2021-06-06 04:32:02,834 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 2373 DAG size of output: 2336 [2021-06-06 04:32:04,225 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 2670 DAG size of output: 2633 [2021-06-06 04:32:05,970 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 2757 DAG size of output: 2720 [2021-06-06 04:32:08,166 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 3068 DAG size of output: 3031 [2021-06-06 04:32:10,950 WARN L205 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 3412 DAG size of output: 3375 [2021-06-06 04:32:14,346 WARN L205 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 3740 DAG size of output: 3703 [2021-06-06 04:32:18,618 WARN L205 SmtUtils]: Spent 4.25 s on a formula simplification. DAG size of input: 3780 DAG size of output: 3743 [2021-06-06 04:32:42,646 WARN L205 SmtUtils]: Spent 23.99 s on a formula simplification. DAG size of input: 13975 DAG size of output: 13102 [2021-06-06 04:32:54,969 WARN L205 SmtUtils]: Spent 12.23 s on a formula simplification. DAG size of input: 4542 DAG size of output: 4521 [2021-06-06 04:32:55,752 WARN L205 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 921 DAG size of output: 905 [2021-06-06 04:32:55,941 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 550 [2021-06-06 04:32:56,716 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 524 [2021-06-06 04:32:56,863 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 497 [2021-06-06 04:32:56,980 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 447 [2021-06-06 04:32:57,948 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 595 [2021-06-06 04:32:58,184 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 843 DAG size of output: 741 [2021-06-06 04:32:58,509 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 989 DAG size of output: 852 [2021-06-06 04:32:58,966 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 1172 DAG size of output: 1020 [2021-06-06 04:32:59,387 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 1325 DAG size of output: 1144 [2021-06-06 04:33:00,093 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 1503 DAG size of output: 1290 [2021-06-06 04:33:00,941 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 1613 DAG size of output: 1385 [2021-06-06 04:33:02,163 WARN L205 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 1878 DAG size of output: 1600 [2021-06-06 04:33:03,372 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 2121 DAG size of output: 1826 [2021-06-06 04:33:04,891 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 2336 DAG size of output: 2001 [2021-06-06 04:33:05,714 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 570 [2021-06-06 04:33:05,913 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 607 [2021-06-06 04:33:06,151 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 757 DAG size of output: 669 [2021-06-06 04:33:06,446 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 783 DAG size of output: 692 [2021-06-06 04:33:06,795 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 766 [2021-06-06 04:33:07,257 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 794 DAG size of output: 779 [2021-06-06 04:33:08,067 WARN L205 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 737 DAG size of output: 845 [2021-06-06 04:33:08,369 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 708 DAG size of output: 693 [2021-06-06 04:33:08,978 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 545 [2021-06-06 04:33:09,149 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 611 [2021-06-06 04:33:09,353 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 653 [2021-06-06 04:33:09,611 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 663 DAG size of output: 648 [2021-06-06 04:33:10,255 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 612 [2021-06-06 04:33:10,424 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 729 DAG size of output: 645 [2021-06-06 04:33:10,880 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 585 DAG size of output: 606 [2021-06-06 04:33:12,618 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 668 [2021-06-06 04:33:12,773 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 940 DAG size of output: 803 [2021-06-06 04:33:14,444 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 2903 DAG size of output: 2652 [2021-06-06 04:33:16,278 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 3379 DAG size of output: 3082 [2021-06-06 04:33:18,653 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 3692 DAG size of output: 3364 [2021-06-06 04:33:21,838 WARN L205 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 4097 DAG size of output: 3755 [2021-06-06 04:33:22,844 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 529 [2021-06-06 04:33:22,999 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 575 [2021-06-06 04:33:23,195 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 754 DAG size of output: 651 [2021-06-06 04:33:23,516 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 875 DAG size of output: 743 [2021-06-06 04:33:23,909 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 926 DAG size of output: 782 [2021-06-06 04:33:27,973 WARN L205 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 4633 DAG size of output: 4244 [2021-06-06 04:33:34,802 WARN L205 SmtUtils]: Spent 6.80 s on a formula simplification. DAG size of input: 5823 DAG size of output: 5356 [2021-06-06 04:33:44,759 WARN L205 SmtUtils]: Spent 9.90 s on a formula simplification. DAG size of input: 4049 DAG size of output: 4028 [2021-06-06 04:33:47,454 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 1003 DAG size of output: 1053 [2021-06-06 04:33:49,763 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 979 DAG size of output: 1088 [2021-06-06 04:33:51,620 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 925 DAG size of output: 1039 [2021-06-06 04:33:53,189 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 837 DAG size of output: 891 [2021-06-06 04:33:54,706 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 834 DAG size of output: 843 [2021-06-06 04:33:56,034 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 822 DAG size of output: 846 [2021-06-06 04:33:57,171 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 802 DAG size of output: 845 [2021-06-06 04:33:58,150 WARN L205 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 768 DAG size of output: 775 [2021-06-06 04:33:58,491 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 736 [2021-06-06 04:33:59,239 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1214 DAG size of output: 1195 [2021-06-06 04:33:59,471 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 1432 DAG size of output: 1414 [2021-06-06 04:33:59,790 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 1616 DAG size of output: 1598 [2021-06-06 04:34:00,289 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 717 [2021-06-06 04:34:00,455 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 586 [2021-06-06 04:34:00,682 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 354 [2021-06-06 04:34:01,159 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 982 DAG size of output: 906 [2021-06-06 04:34:01,349 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 1143 [2021-06-06 04:34:02,152 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 1975 DAG size of output: 1861 [2021-06-06 04:34:02,794 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 968 DAG size of output: 889 [2021-06-06 04:34:02,981 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1138 DAG size of output: 1060 [2021-06-06 04:34:04,204 WARN L205 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 2941 DAG size of output: 2801 [2021-06-06 04:34:05,548 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 3375 DAG size of output: 3232 [2021-06-06 04:34:07,708 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 4463 DAG size of output: 4312 [2021-06-06 04:34:10,743 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 4777 DAG size of output: 4625 [2021-06-06 04:34:14,883 WARN L205 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 5267 DAG size of output: 5113 [2021-06-06 04:34:20,389 WARN L205 SmtUtils]: Spent 5.47 s on a formula simplification. DAG size of input: 5837 DAG size of output: 5682 [2021-06-06 04:34:27,513 WARN L205 SmtUtils]: Spent 7.08 s on a formula simplification. DAG size of input: 6374 DAG size of output: 6218 [2021-06-06 04:34:36,463 WARN L205 SmtUtils]: Spent 8.90 s on a formula simplification. DAG size of input: 6719 DAG size of output: 6561 [2021-06-06 04:34:47,654 WARN L205 SmtUtils]: Spent 11.14 s on a formula simplification. DAG size of input: 7099 DAG size of output: 6940 Received shutdown request... [2021-06-06 04:35:02,085 WARN L205 SmtUtils]: Spent 14.38 s on a formula simplification. DAG size of input: 7698 DAG size of output: 7537 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown