/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 06:10:36,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 06:10:36,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 06:10:36,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 06:10:36,376 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-06-17 06:10:36,416 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 06:10:36,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 06:10:36,417 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 06:10:36,417 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 06:10:36,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 06:10:36,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 06:10:36,420 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 06:10:36,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 06:10:36,420 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 06:10:36,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 06:10:36,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 06:10:36,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 06:10:36,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 06:10:36,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 06:10:36,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 06:10:36,422 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 06:10:36,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 06:10:36,422 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 06:10:36,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 06:10:36,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 06:10:36,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 06:10:36,423 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 06:10:36,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 06:10:36,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 06:10:36,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 06:10:36,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 06:10:36,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 06:10:36,424 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 06:10:36,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 06:10:36,424 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 06:10:36,424 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 06:10:36,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 06:10:36,425 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 06:10:36,425 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 06:10:36,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 06:10:36,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 06:10:36,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 06:10:36,759 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 06:10:36,760 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 06:10:36,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl [2021-06-17 06:10:36,761 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl' [2021-06-17 06:10:36,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 06:10:36,975 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 06:10:36,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 06:10:36,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 06:10:36,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 06:10:36,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:10:36" (1/1) ... [2021-06-17 06:10:36,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:10:36" (1/1) ... [2021-06-17 06:10:37,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 06:10:37,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 06:10:37,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 06:10:37,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 06:10:37,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:10:36" (1/1) ... [2021-06-17 06:10:37,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:10:36" (1/1) ... [2021-06-17 06:10:37,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:10:36" (1/1) ... [2021-06-17 06:10:37,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:10:36" (1/1) ... [2021-06-17 06:10:37,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:10:36" (1/1) ... [2021-06-17 06:10:37,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:10:36" (1/1) ... [2021-06-17 06:10:37,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:10:36" (1/1) ... [2021-06-17 06:10:37,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 06:10:37,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 06:10:37,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 06:10:37,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 06:10:37,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:10:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 06:10:37,122 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 06:10:37,122 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 06:10:37,122 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 06:10:37,122 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 06:10:37,123 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 06:10:37,123 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 06:10:37,123 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 06:10:37,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 06:10:37,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 06:10:37,125 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 06:10:37,347 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 06:10:37,348 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-17 06:10:37,348 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-17 06:10:37,349 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-17 06:10:37,350 INFO L202 PluginConnector]: Adding new model unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 06:10:37 BoogieIcfgContainer [2021-06-17 06:10:37,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 06:10:37,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 06:10:37,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 06:10:37,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 06:10:37,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:10:36" (1/2) ... [2021-06-17 06:10:37,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3711a2 and model type unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 06:10:37, skipping insertion in model container [2021-06-17 06:10:37,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 06:10:37" (2/2) ... [2021-06-17 06:10:37,368 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.bpl [2021-06-17 06:10:37,389 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 06:10:37,389 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 06:10:37,389 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 06:10:37,390 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 06:10:37,421 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-17 06:10:37,440 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-17 06:10:37,489 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 06:10:37,489 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 06:10:37,490 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 06:10:37,490 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 06:10:37,490 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 06:10:37,490 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 06:10:37,490 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 06:10:37,490 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 06:10:37,562 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:10:37,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:10:37,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1694861722, now seen corresponding path program 1 times [2021-06-17 06:10:37,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:10:37,587 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734944127] [2021-06-17 06:10:37,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:10:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:10:37,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:10:37,734 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:10:37,734 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734944127] [2021-06-17 06:10:37,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734944127] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 06:10:37,736 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 06:10:37,736 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-17 06:10:37,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494645484] [2021-06-17 06:10:37,740 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 06:10:37,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:10:37,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 06:10:37,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 06:10:37,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:10:37,760 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:10:37,762 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:10:37,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:10:37,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:10:37,815 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 06:10:37,815 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:10:37,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:10:37,816 INFO L82 PathProgramCache]: Analyzing trace with hash 658584646, now seen corresponding path program 1 times [2021-06-17 06:10:37,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:10:37,817 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891616660] [2021-06-17 06:10:37,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:10:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:10:37,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:10:37,852 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:10:37,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891616660] [2021-06-17 06:10:37,853 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891616660] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:10:37,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856758499] [2021-06-17 06:10:37,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:10:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:10:37,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-17 06:10:37,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:10:37,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:10:37,956 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856758499] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:10:37,956 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:10:37,957 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-17 06:10:37,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951504048] [2021-06-17 06:10:37,958 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-17 06:10:37,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:10:37,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-17 06:10:37,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-17 06:10:37,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:10:37,960 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:10:37,960 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 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) [2021-06-17 06:10:37,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:10:37,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:10:37,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:10:37,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:38,213 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:10:38,213 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:10:38,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:10:38,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1035640753, now seen corresponding path program 1 times [2021-06-17 06:10:38,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:10:38,214 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928610732] [2021-06-17 06:10:38,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:10:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:10:38,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 06:10:38,262 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:10:38,263 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928610732] [2021-06-17 06:10:38,263 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928610732] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:10:38,263 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605538082] [2021-06-17 06:10:38,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:10:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:10:38,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-17 06:10:38,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:10:38,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 06:10:38,360 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605538082] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:10:38,360 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:10:38,360 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-17 06:10:38,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232145072] [2021-06-17 06:10:38,361 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 06:10:38,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:10:38,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 06:10:38,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 06:10:38,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:10:38,362 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:10:38,362 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:10:38,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:10:38,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:38,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:10:38,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:10:38,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:38,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:38,620 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:10:38,621 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:10:38,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:10:38,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1473521199, now seen corresponding path program 2 times [2021-06-17 06:10:38,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:10:38,622 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030064162] [2021-06-17 06:10:38,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:10:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:10:38,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:10:38,676 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:10:38,676 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030064162] [2021-06-17 06:10:38,676 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030064162] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:10:38,677 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606655823] [2021-06-17 06:10:38,677 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:10:38,714 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:10:38,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:10:38,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-17 06:10:38,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:10:38,806 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:10:38,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-06-17 06:10:38,815 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:10:38,817 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:10:38,821 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:10:38,826 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-06-17 06:10:38,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:10:38,847 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606655823] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:10:38,847 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:10:38,847 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2021-06-17 06:10:38,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908672263] [2021-06-17 06:10:38,847 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 06:10:38,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:10:38,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 06:10:38,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-17 06:10:38,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:10:38,848 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:10:38,849 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:10:38,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:10:38,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:38,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:38,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:10:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:10:38,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:38,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:38,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:10:39,096 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:10:39,097 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:10:39,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:10:39,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1948130383, now seen corresponding path program 3 times [2021-06-17 06:10:39,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:10:39,098 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6739041] [2021-06-17 06:10:39,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:10:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:10:39,161 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:10:39,161 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:10:39,161 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6739041] [2021-06-17 06:10:39,161 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6739041] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:10:39,161 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429155844] [2021-06-17 06:10:39,162 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:10:39,196 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-17 06:10:39,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:10:39,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-17 06:10:39,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:10:39,276 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:10:39,277 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429155844] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:10:39,277 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:10:39,277 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-06-17 06:10:39,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811107341] [2021-06-17 06:10:39,278 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 06:10:39,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:10:39,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 06:10:39,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-06-17 06:10:39,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:10:39,279 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:10:39,280 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:10:39,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:10:39,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:39,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:39,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:10:39,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:10:39,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:10:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:10:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:10:39,580 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:10:39,581 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:10:39,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:10:39,582 INFO L82 PathProgramCache]: Analyzing trace with hash 285571430, now seen corresponding path program 4 times [2021-06-17 06:10:39,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:10:39,582 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293139119] [2021-06-17 06:10:39,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:10:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:10:39,630 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 06:10:39,630 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:10:39,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293139119] [2021-06-17 06:10:39,631 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293139119] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:10:39,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874375306] [2021-06-17 06:10:39,631 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:10:39,666 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:10:39,666 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:10:39,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-17 06:10:39,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:10:39,732 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 06:10:39,732 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874375306] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:10:39,732 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:10:39,732 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-17 06:10:39,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848136149] [2021-06-17 06:10:39,733 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-17 06:10:39,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:10:39,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-17 06:10:39,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-06-17 06:10:39,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:10:39,734 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:10:39,734 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:10:39,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:10:39,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:39,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:39,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:10:39,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:10:39,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:10:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:10:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:10:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:10:39,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:10:40,016 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:10:40,017 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:10:40,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:10:40,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1580915834, now seen corresponding path program 5 times [2021-06-17 06:10:40,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:10:40,018 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114487457] [2021-06-17 06:10:40,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:10:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:10:40,113 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:10:40,114 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:10:40,114 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114487457] [2021-06-17 06:10:40,114 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114487457] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:10:40,116 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123908973] [2021-06-17 06:10:40,116 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:10:40,152 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-17 06:10:40,152 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:10:40,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-17 06:10:40,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:10:40,314 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 06:10:40,314 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123908973] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:10:40,314 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:10:40,315 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2021-06-17 06:10:40,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808325750] [2021-06-17 06:10:40,315 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-17 06:10:40,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:10:40,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-17 06:10:40,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-06-17 06:10:40,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:10:40,319 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:10:40,320 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.8) internal successors, (27), 14 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:10:40,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:10:40,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:40,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:40,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:10:40,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:10:40,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:10:40,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:10:40,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:10:40,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:40,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:40,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:10:40,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:10:40,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:10:40,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:10:40,700 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:10:40,701 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:10:40,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:10:40,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1740678897, now seen corresponding path program 6 times [2021-06-17 06:10:40,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:10:40,701 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052042674] [2021-06-17 06:10:40,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:10:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:10:40,773 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:10:40,773 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:10:40,773 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052042674] [2021-06-17 06:10:40,773 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052042674] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:10:40,773 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398774155] [2021-06-17 06:10:40,774 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:10:40,814 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-17 06:10:40,814 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:10:40,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-17 06:10:40,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:10:41,086 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:10:41,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-06-17 06:10:41,559 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:10:41,560 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:10:41,561 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:10:41,561 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-06-17 06:10:41,568 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:10:41,568 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398774155] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:10:41,569 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:10:41,569 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-06-17 06:10:41,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272460297] [2021-06-17 06:10:41,569 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-17 06:10:41,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:10:41,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-17 06:10:41,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-06-17 06:10:41,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:10:41,571 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:10:41,571 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 17 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:10:41,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:10:41,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:41,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:41,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:10:41,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:10:41,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:10:41,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:10:41,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:10:41,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:10:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:10:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:10:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:10:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:10:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:10:41,872 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-17 06:10:41,873 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:10:41,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:10:41,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1937782575, now seen corresponding path program 7 times [2021-06-17 06:10:41,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:10:41,873 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765970498] [2021-06-17 06:10:41,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:10:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:10:41,981 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:10:41,981 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:10:41,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765970498] [2021-06-17 06:10:41,982 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765970498] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:10:41,982 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467088693] [2021-06-17 06:10:41,982 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:10:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:10:42,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-17 06:10:42,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:10:42,095 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 21 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:10:42,095 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467088693] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:10:42,096 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:10:42,096 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-06-17 06:10:42,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141986704] [2021-06-17 06:10:42,098 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-17 06:10:42,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:10:42,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-17 06:10:42,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-06-17 06:10:42,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:10:42,100 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:10:42,100 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:10:42,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:10:42,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:42,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:42,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:10:42,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:10:42,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:10:42,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:10:42,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:10:42,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:10:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:10:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:10:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:10:42,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:10:42,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:10:42,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:10:42,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:10:42,501 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:10:42,501 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:10:42,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:10:42,502 INFO L82 PathProgramCache]: Analyzing trace with hash -35210618, now seen corresponding path program 8 times [2021-06-17 06:10:42,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:10:42,502 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804322391] [2021-06-17 06:10:42,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:10:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:10:42,572 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-06-17 06:10:42,572 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:10:42,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804322391] [2021-06-17 06:10:42,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804322391] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:10:42,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450985235] [2021-06-17 06:10:42,572 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:10:42,619 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:10:42,620 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:10:42,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-17 06:10:42,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:10:42,705 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-17 06:10:42,706 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450985235] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:10:42,706 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:10:42,706 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2021-06-17 06:10:42,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262820446] [2021-06-17 06:10:42,706 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-17 06:10:42,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:10:42,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-17 06:10:42,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-06-17 06:10:42,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:10:42,707 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:10:42,707 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:10:42,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:10:42,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:42,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:42,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:10:42,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:10:42,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:10:42,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:10:42,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:10:42,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:10:42,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:10:42,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:10:42,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:42,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:42,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:10:42,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:10:42,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:10:42,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:10:42,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:10:42,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:10:42,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:10:43,057 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-06-17 06:10:43,057 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:10:43,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:10:43,057 INFO L82 PathProgramCache]: Analyzing trace with hash 208179366, now seen corresponding path program 9 times [2021-06-17 06:10:43,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:10:43,058 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301864803] [2021-06-17 06:10:43,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:10:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:10:43,181 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:10:43,182 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:10:43,182 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301864803] [2021-06-17 06:10:43,182 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301864803] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:10:43,182 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058645896] [2021-06-17 06:10:43,182 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:10:43,232 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-17 06:10:43,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:10:43,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-17 06:10:43,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:10:43,619 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-17 06:10:43,620 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:10:43,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-06-17 06:10:45,250 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:10:45,251 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:10:45,252 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:10:45,252 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-06-17 06:10:45,258 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:10:45,259 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058645896] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:10:45,259 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:10:45,259 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 22 [2021-06-17 06:10:45,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961368043] [2021-06-17 06:10:45,259 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-17 06:10:45,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:10:45,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-17 06:10:45,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2021-06-17 06:10:45,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:10:45,260 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:10:45,261 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.608695652173913) internal successors, (37), 22 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:10:45,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:10:45,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:45,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:45,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:10:45,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:10:45,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:10:45,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:10:45,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:10:45,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:10:45,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:10:45,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:10:45,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:10:45,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:45,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:45,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:10:45,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:10:45,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:10:45,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:10:45,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:10:45,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:10:45,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:10:45,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:10:45,561 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-06-17 06:10:45,561 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:10:45,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:10:45,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1132874918, now seen corresponding path program 10 times [2021-06-17 06:10:45,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:10:45,562 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826388142] [2021-06-17 06:10:45,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:10:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:10:45,708 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:10:45,708 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:10:45,708 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826388142] [2021-06-17 06:10:45,708 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826388142] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:10:45,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953812874] [2021-06-17 06:10:45,709 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:10:45,748 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:10:45,749 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:10:45,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-17 06:10:45,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:10:45,839 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:10:45,839 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953812874] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:10:45,839 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:10:45,839 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-06-17 06:10:45,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811004351] [2021-06-17 06:10:45,840 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-17 06:10:45,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:10:45,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-17 06:10:45,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-06-17 06:10:45,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:10:45,841 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:10:45,841 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:10:45,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:10:45,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:45,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:45,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:10:45,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:10:45,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:10:45,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:10:45,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:10:45,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:10:45,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:10:45,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:10:45,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:10:46,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:10:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:10:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:10:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:10:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:10:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:10:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:10:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:10:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:10:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:10:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:10:46,265 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-06-17 06:10:46,265 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:10:46,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:10:46,269 INFO L82 PathProgramCache]: Analyzing trace with hash 782455791, now seen corresponding path program 11 times [2021-06-17 06:10:46,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:10:46,269 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559092152] [2021-06-17 06:10:46,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:10:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:10:46,389 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:10:46,390 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:10:46,390 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559092152] [2021-06-17 06:10:46,390 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559092152] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:10:46,390 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904510578] [2021-06-17 06:10:46,390 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:10:46,425 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-17 06:10:46,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:10:46,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-17 06:10:46,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:10:46,998 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-17 06:10:46,998 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:10:46,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-06-17 06:10:47,898 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 182 [2021-06-17 06:10:48,134 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 227 [2021-06-17 06:10:48,242 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 236 [2021-06-17 06:10:48,354 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 236 [2021-06-17 06:10:48,532 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 252 [2021-06-17 06:10:48,798 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 258 [2021-06-17 06:10:48,924 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 206 [2021-06-17 06:10:49,153 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 194 [2021-06-17 06:10:49,366 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 183 [2021-06-17 06:10:49,836 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 199 [2021-06-17 06:10:50,635 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 213 [2021-06-17 06:10:50,854 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 287 [2021-06-17 06:10:51,865 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 370 [2021-06-17 06:10:52,261 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 395 [2021-06-17 06:10:52,766 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 442 [2021-06-17 06:10:52,916 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 234 [2021-06-17 06:10:54,950 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 202 [2021-06-17 06:10:55,115 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 270 [2021-06-17 06:10:55,408 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 379 [2021-06-17 06:10:55,769 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 419 [2021-06-17 06:10:56,231 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 667 DAG size of output: 486 [2021-06-17 06:10:57,301 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1125 DAG size of output: 757 [2021-06-17 06:10:58,533 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1132 DAG size of output: 747 [2021-06-17 06:10:59,754 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1132 DAG size of output: 747 [2021-06-17 06:11:01,094 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1143 DAG size of output: 758 [2021-06-17 06:11:02,649 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 756 DAG size of output: 858 [2021-06-17 06:11:03,143 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 459 [2021-06-17 06:11:03,321 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 212 [2021-06-17 06:11:03,947 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 183 [2021-06-17 06:11:04,080 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 205 [2021-06-17 06:11:04,682 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 239 [2021-06-17 06:11:04,835 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 271 [2021-06-17 06:11:05,080 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 358 [2021-06-17 06:11:05,869 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 686 [2021-06-17 06:11:06,423 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 491 [2021-06-17 06:11:06,690 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 224 [2021-06-17 06:11:06,937 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 302 [2021-06-17 06:11:07,283 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 231 [2021-06-17 06:11:07,469 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 459 DAG size of output: 334 [2021-06-17 06:11:07,798 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 378 [2021-06-17 06:11:08,234 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 236 [2021-06-17 06:11:08,388 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 300 [2021-06-17 06:11:08,687 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 704 DAG size of output: 431 [2021-06-17 06:11:09,050 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 711 DAG size of output: 437 [2021-06-17 06:11:09,687 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 1016 DAG size of output: 596 [2021-06-17 06:11:10,324 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 1016 DAG size of output: 596 [2021-06-17 06:11:11,045 WARN L205 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 1022 DAG size of output: 554 [2021-06-17 06:11:11,377 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 433 [2021-06-17 06:11:11,899 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 209 [2021-06-17 06:11:12,225 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 239 [2021-06-17 06:11:12,649 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 447 [2021-06-17 06:11:12,933 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 279 [2021-06-17 06:11:13,209 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 303 [2021-06-17 06:11:13,483 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 368 [2021-06-17 06:11:13,887 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 436 [2021-06-17 06:11:14,295 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 436 [2021-06-17 06:11:14,730 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 439 [2021-06-17 06:11:14,980 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 335 [2021-06-17 06:11:15,647 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:11:15,648 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:11:15,649 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:11:15,649 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-06-17 06:11:15,654 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:11:15,654 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904510578] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:15,654 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:11:15,654 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-06-17 06:11:15,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720485538] [2021-06-17 06:11:15,655 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-17 06:11:15,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:11:15,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-17 06:11:15,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-17 06:11:15,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:15,656 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:11:15,657 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 27 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:11:15,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:15,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:15,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:15,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:15,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:11:15,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:11:15,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:15,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:11:15,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:11:15,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:11:15,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:15,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:11:15,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:15,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:15,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:15,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:15,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:15,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:11:15,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:11:15,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:15,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:11:15,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:11:15,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:11:15,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:15,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:11:15,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:11:15,981 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable201 [2021-06-17 06:11:15,981 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:11:15,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:11:15,982 INFO L82 PathProgramCache]: Analyzing trace with hash 467408879, now seen corresponding path program 12 times [2021-06-17 06:11:15,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:11:15,982 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223103757] [2021-06-17 06:11:15,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:11:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:11:16,195 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 55 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:11:16,195 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:11:16,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223103757] [2021-06-17 06:11:16,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223103757] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:16,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479265416] [2021-06-17 06:11:16,195 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:11:16,228 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-17 06:11:16,229 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:11:16,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-17 06:11:16,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:11:16,305 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 66 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:11:16,306 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479265416] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:16,306 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:11:16,306 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-06-17 06:11:16,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995988497] [2021-06-17 06:11:16,308 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-17 06:11:16,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:11:16,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-17 06:11:16,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-06-17 06:11:16,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:16,309 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:11:16,309 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:11:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:11:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:11:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:11:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:11:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:11:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:11:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:11:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:16,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:16,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:16,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:16,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:11:16,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:11:16,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:16,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:11:16,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:11:16,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:11:16,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:16,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:11:16,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:11:16,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:11:16,809 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1342,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:11:16,809 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:11:16,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:11:16,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1627845062, now seen corresponding path program 13 times [2021-06-17 06:11:16,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:11:16,810 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45522030] [2021-06-17 06:11:16,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:11:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:11:16,940 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:11:16,940 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:11:16,941 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45522030] [2021-06-17 06:11:16,941 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45522030] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:16,941 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019781688] [2021-06-17 06:11:16,941 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:11:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:11:16,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 43 conjunts are in the unsatisfiable core [2021-06-17 06:11:16,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:11:17,713 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-17 06:11:17,713 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:11:17,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-06-17 06:11:18,820 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 276 [2021-06-17 06:11:18,960 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 280 [2021-06-17 06:11:19,914 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 269 [2021-06-17 06:11:20,053 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 273 [2021-06-17 06:11:20,374 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 411 [2021-06-17 06:11:20,763 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 438 [2021-06-17 06:11:21,672 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 250 [2021-06-17 06:11:21,792 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 252 [2021-06-17 06:11:22,620 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 240 [2021-06-17 06:11:22,734 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 242 [2021-06-17 06:11:23,061 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 374 [2021-06-17 06:11:23,387 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 402 [2021-06-17 06:11:24,230 WARN L205 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 770 DAG size of output: 685 [2021-06-17 06:11:25,145 WARN L205 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 812 DAG size of output: 726 [2021-06-17 06:11:26,210 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 833 DAG size of output: 734 [2021-06-17 06:11:27,445 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 841 DAG size of output: 738 [2021-06-17 06:11:28,680 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 841 DAG size of output: 738 [2021-06-17 06:11:30,150 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 861 DAG size of output: 758 [2021-06-17 06:11:31,996 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 760 DAG size of output: 812 [2021-06-17 06:11:32,856 WARN L205 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 464 DAG size of output: 563 [2021-06-17 06:11:33,499 WARN L205 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 646 [2021-06-17 06:11:34,281 WARN L205 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 545 [2021-06-17 06:11:34,935 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 536 [2021-06-17 06:11:35,267 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 313 [2021-06-17 06:11:35,378 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 254 [2021-06-17 06:11:35,808 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 204 [2021-06-17 06:11:36,296 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 303 [2021-06-17 06:11:36,710 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 210 [2021-06-17 06:11:37,228 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 314 [2021-06-17 06:11:37,648 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 500 [2021-06-17 06:11:38,160 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 754 DAG size of output: 569 [2021-06-17 06:11:38,377 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 252 [2021-06-17 06:11:39,172 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 212 [2021-06-17 06:11:39,447 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 273 [2021-06-17 06:11:39,689 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 288 [2021-06-17 06:11:40,484 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 195 [2021-06-17 06:11:40,907 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 259 [2021-06-17 06:11:41,432 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 416 [2021-06-17 06:11:42,062 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 186 [2021-06-17 06:11:42,328 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 247 [2021-06-17 06:11:42,519 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 262 [2021-06-17 06:11:42,659 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 250 [2021-06-17 06:11:43,306 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 191 [2021-06-17 06:11:43,470 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 252 [2021-06-17 06:11:43,680 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 253 [2021-06-17 06:11:43,948 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 268 [2021-06-17 06:11:44,466 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 397 [2021-06-17 06:11:45,491 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 975 DAG size of output: 585 [2021-06-17 06:11:47,232 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1575 DAG size of output: 971 [2021-06-17 06:11:48,195 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 336 [2021-06-17 06:11:48,627 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 355 [2021-06-17 06:11:48,893 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 339 [2021-06-17 06:11:50,015 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 308 [2021-06-17 06:11:50,171 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 322 [2021-06-17 06:11:50,770 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 379 [2021-06-17 06:11:51,072 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 401 [2021-06-17 06:11:51,429 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 412 [2021-06-17 06:11:52,321 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 290 [2021-06-17 06:11:52,492 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 324 [2021-06-17 06:11:52,713 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 334 [2021-06-17 06:11:53,362 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 866 DAG size of output: 570 [2021-06-17 06:11:54,749 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 282 [2021-06-17 06:11:55,011 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 386 [2021-06-17 06:11:55,430 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 444 [2021-06-17 06:11:56,500 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1125 DAG size of output: 748 [2021-06-17 06:11:57,976 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1273 DAG size of output: 863 [2021-06-17 06:11:58,250 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-06-17 06:11:59,208 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 281 [2021-06-17 06:11:59,388 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 313 [2021-06-17 06:12:00,070 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 281 [2021-06-17 06:12:00,408 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 428 [2021-06-17 06:12:01,576 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 324 [2021-06-17 06:12:01,815 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 374 [2021-06-17 06:12:02,387 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 756 DAG size of output: 529 [2021-06-17 06:12:04,773 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 1662 DAG size of output: 1121 [2021-06-17 06:12:05,076 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 336 [2021-06-17 06:12:05,282 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 278 [2021-06-17 06:12:06,062 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 208 [2021-06-17 06:12:06,214 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 220 [2021-06-17 06:12:06,985 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 191 [2021-06-17 06:12:07,117 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 215 [2021-06-17 06:12:07,289 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 236 [2021-06-17 06:12:07,698 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 345 [2021-06-17 06:12:07,837 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 242 [2021-06-17 06:12:09,140 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 207 [2021-06-17 06:12:09,401 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 303 [2021-06-17 06:12:09,735 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 323 [2021-06-17 06:12:10,352 WARN L205 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 465 [2021-06-17 06:12:10,486 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 307 [2021-06-17 06:12:11,293 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2021-06-17 06:12:12,009 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 285 [2021-06-17 06:12:13,077 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 255 [2021-06-17 06:12:13,268 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 279 [2021-06-17 06:12:13,743 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 424 [2021-06-17 06:12:14,374 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 642 DAG size of output: 511 [2021-06-17 06:12:15,790 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1161 DAG size of output: 818 [2021-06-17 06:12:20,315 WARN L205 SmtUtils]: Spent 4.52 s on a formula simplification. DAG size of input: 2529 DAG size of output: 1673 [2021-06-17 06:12:25,827 WARN L205 SmtUtils]: Spent 5.50 s on a formula simplification. DAG size of input: 2885 DAG size of output: 1923 [2021-06-17 06:12:32,899 WARN L205 SmtUtils]: Spent 7.05 s on a formula simplification. DAG size of input: 4260 DAG size of output: 2683 [2021-06-17 06:12:41,217 WARN L205 SmtUtils]: Spent 8.30 s on a formula simplification. DAG size of input: 4417 DAG size of output: 2844 [2021-06-17 06:12:50,803 WARN L205 SmtUtils]: Spent 9.57 s on a formula simplification. DAG size of input: 4663 DAG size of output: 2936 [2021-06-17 06:12:51,446 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 626 [2021-06-17 06:12:52,265 WARN L205 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 525 [2021-06-17 06:12:52,952 WARN L205 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 490 [2021-06-17 06:12:53,743 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 304 [2021-06-17 06:12:54,782 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 464 [2021-06-17 06:12:54,996 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 470 [2021-06-17 06:12:55,375 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 813 DAG size of output: 655 [2021-06-17 06:12:55,617 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 221 [2021-06-17 06:12:56,745 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 181 [2021-06-17 06:12:57,303 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 179 [2021-06-17 06:12:57,544 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 241 [2021-06-17 06:12:57,839 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 244 [2021-06-17 06:12:58,261 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 287 [2021-06-17 06:12:59,210 WARN L205 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 681 [2021-06-17 06:13:00,215 WARN L205 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 584 [2021-06-17 06:13:01,114 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 499 [2021-06-17 06:13:01,293 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 324 [2021-06-17 06:13:01,450 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 322 [2021-06-17 06:13:02,293 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 201 [2021-06-17 06:13:03,087 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 286 [2021-06-17 06:13:03,824 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 165 [2021-06-17 06:13:04,211 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 214 [2021-06-17 06:13:04,381 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 256 [2021-06-17 06:13:05,154 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 347 [2021-06-17 06:13:05,781 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 524 [2021-06-17 06:13:07,215 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 266 [2021-06-17 06:13:09,222 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 188 [2021-06-17 06:13:09,341 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 191 [2021-06-17 06:13:09,540 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 262 [2021-06-17 06:13:09,879 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 355 [2021-06-17 06:13:10,324 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 397 [2021-06-17 06:13:11,063 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 559 [2021-06-17 06:13:12,543 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 977 DAG size of output: 792 [2021-06-17 06:13:14,067 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1064 DAG size of output: 842 [2021-06-17 06:13:15,916 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1243 DAG size of output: 920 [2021-06-17 06:13:18,160 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 1442 DAG size of output: 1089 [2021-06-17 06:13:18,747 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 457 [2021-06-17 06:13:19,030 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 383 [2021-06-17 06:13:19,399 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 429 [2021-06-17 06:13:20,206 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 239 [2021-06-17 06:13:20,343 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 249 [2021-06-17 06:13:21,222 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 344 [2021-06-17 06:13:21,620 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 395 [2021-06-17 06:13:22,881 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 202 [2021-06-17 06:13:23,122 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 332 [2021-06-17 06:13:23,467 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 381 [2021-06-17 06:13:23,836 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 401 [2021-06-17 06:13:24,591 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 692 DAG size of output: 593 [2021-06-17 06:13:24,994 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 444 [2021-06-17 06:13:25,799 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 210 [2021-06-17 06:13:25,932 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 233 [2021-06-17 06:13:26,102 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2021-06-17 06:13:26,788 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 345 [2021-06-17 06:13:27,208 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 398 [2021-06-17 06:13:27,972 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 217 [2021-06-17 06:13:28,630 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 245 [2021-06-17 06:13:28,925 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 344 [2021-06-17 06:13:29,340 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 397 [2021-06-17 06:13:30,129 WARN L205 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 601 [2021-06-17 06:13:31,505 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1077 DAG size of output: 809 [2021-06-17 06:13:33,153 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 1165 DAG size of output: 847 [2021-06-17 06:13:37,617 WARN L205 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 2290 DAG size of output: 1526 [2021-06-17 06:13:43,638 WARN L205 SmtUtils]: Spent 6.01 s on a formula simplification. DAG size of input: 3340 DAG size of output: 2063 [2021-06-17 06:13:50,753 WARN L205 SmtUtils]: Spent 7.09 s on a formula simplification. DAG size of input: 3491 DAG size of output: 2236 [2021-06-17 06:13:59,031 WARN L205 SmtUtils]: Spent 8.26 s on a formula simplification. DAG size of input: 3713 DAG size of output: 2317 [2021-06-17 06:14:17,395 WARN L205 SmtUtils]: Spent 18.34 s on a formula simplification. DAG size of input: 7370 DAG size of output: 4532 [2021-06-17 06:14:40,837 WARN L205 SmtUtils]: Spent 23.41 s on a formula simplification. DAG size of input: 7654 DAG size of output: 4652 [2021-06-17 06:15:06,632 WARN L205 SmtUtils]: Spent 25.75 s on a formula simplification. DAG size of input: 7654 DAG size of output: 4652 [2021-06-17 06:15:31,830 WARN L205 SmtUtils]: Spent 25.18 s on a formula simplification. DAG size of input: 7669 DAG size of output: 4667 [2021-06-17 06:15:32,602 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 4661 [2021-06-17 06:16:00,206 WARN L205 SmtUtils]: Spent 27.58 s on a formula simplification. DAG size of input: 4663 DAG size of output: 6220 [2021-06-17 06:16:10,260 WARN L205 SmtUtils]: Spent 9.98 s on a formula simplification. DAG size of input: 4573 DAG size of output: 4534 [2021-06-17 06:16:32,952 WARN L205 SmtUtils]: Spent 22.66 s on a formula simplification. DAG size of input: 4531 DAG size of output: 4865 [2021-06-17 06:16:47,919 WARN L205 SmtUtils]: Spent 14.93 s on a formula simplification. DAG size of input: 3153 DAG size of output: 3275 [2021-06-17 06:16:58,022 WARN L205 SmtUtils]: Spent 10.08 s on a formula simplification. DAG size of input: 3100 DAG size of output: 3091 [2021-06-17 06:17:15,821 WARN L205 SmtUtils]: Spent 17.78 s on a formula simplification. DAG size of input: 2740 DAG size of output: 4110 [2021-06-17 06:17:16,742 WARN L205 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 2692 DAG size of output: 2692 [2021-06-17 06:17:17,047 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 256 [2021-06-17 06:17:17,538 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 1341 [2021-06-17 06:17:17,828 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 1234 [2021-06-17 06:17:17,967 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2021-06-17 06:17:18,119 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 668 [2021-06-17 06:17:18,254 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 635 DAG size of output: 635 [2021-06-17 06:17:19,750 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 685 [2021-06-17 06:17:20,333 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 558 [2021-06-17 06:17:21,429 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 189 [2021-06-17 06:17:21,629 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 318 [2021-06-17 06:17:21,986 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 429 [2021-06-17 06:17:22,448 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 502 [2021-06-17 06:17:22,844 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 450 [2021-06-17 06:17:23,309 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 1736 DAG size of output: 1736 [2021-06-17 06:17:23,518 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 1598 [2021-06-17 06:17:23,850 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 1498 [2021-06-17 06:17:24,126 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 1220 DAG size of output: 1220 [2021-06-17 06:17:24,593 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 1076 DAG size of output: 852 [2021-06-17 06:17:25,140 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 705 [2021-06-17 06:17:26,096 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 197 [2021-06-17 06:17:27,063 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 487 DAG size of output: 313 [2021-06-17 06:17:27,348 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 375 [2021-06-17 06:17:29,036 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 240 [2021-06-17 06:17:29,250 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 357 [2021-06-17 06:17:29,377 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 249 [2021-06-17 06:17:30,721 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 227 [2021-06-17 06:17:31,809 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 391 [2021-06-17 06:17:32,325 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 621 [2021-06-17 06:17:33,294 WARN L205 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 1446 DAG size of output: 922 [2021-06-17 06:17:34,476 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1728 DAG size of output: 970 [2021-06-17 06:17:35,639 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1758 DAG size of output: 839 [2021-06-17 06:17:35,900 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 283 [2021-06-17 06:17:37,598 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1922 DAG size of output: 903 [2021-06-17 06:17:39,599 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 2598 DAG size of output: 1165 [2021-06-17 06:17:45,506 WARN L205 SmtUtils]: Spent 5.89 s on a formula simplification. DAG size of input: 4518 DAG size of output: 2219 [2021-06-17 06:17:46,240 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 525 [2021-06-17 06:17:46,603 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 477 [2021-06-17 06:17:47,533 WARN L205 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 729 [2021-06-17 06:17:47,814 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 338 [2021-06-17 06:17:48,598 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 273 [2021-06-17 06:17:48,874 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 279 [2021-06-17 06:17:49,210 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 325 [2021-06-17 06:17:56,109 WARN L205 SmtUtils]: Spent 6.89 s on a formula simplification. DAG size of input: 4961 DAG size of output: 2195 [2021-06-17 06:18:04,486 WARN L205 SmtUtils]: Spent 8.36 s on a formula simplification. DAG size of input: 5328 DAG size of output: 2407 [2021-06-17 06:18:15,172 WARN L205 SmtUtils]: Spent 10.66 s on a formula simplification. DAG size of input: 6680 DAG size of output: 2674 [2021-06-17 06:18:27,175 WARN L205 SmtUtils]: Spent 11.98 s on a formula simplification. DAG size of input: 6693 DAG size of output: 2686 [2021-06-17 06:18:41,597 WARN L205 SmtUtils]: Spent 14.39 s on a formula simplification. DAG size of input: 8215 DAG size of output: 3079 [2021-06-17 06:18:55,985 WARN L205 SmtUtils]: Spent 14.36 s on a formula simplification. DAG size of input: 8215 DAG size of output: 3079 [2021-06-17 06:19:12,931 WARN L205 SmtUtils]: Spent 16.90 s on a formula simplification. DAG size of input: 8225 DAG size of output: 3069 [2021-06-17 06:19:26,384 WARN L205 SmtUtils]: Spent 13.42 s on a formula simplification. DAG size of input: 3054 DAG size of output: 3247 [2021-06-17 06:19:32,493 WARN L205 SmtUtils]: Spent 6.09 s on a formula simplification. DAG size of input: 2778 DAG size of output: 2144 [2021-06-17 06:19:37,401 WARN L205 SmtUtils]: Spent 4.89 s on a formula simplification. DAG size of input: 1921 DAG size of output: 2107 [2021-06-17 06:19:41,870 WARN L205 SmtUtils]: Spent 4.45 s on a formula simplification. DAG size of input: 1844 DAG size of output: 1869 [2021-06-17 06:19:42,075 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 1774 [2021-06-17 06:19:42,293 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 1623 [2021-06-17 06:19:42,517 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 271 [2021-06-17 06:19:43,128 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 234 [2021-06-17 06:19:43,633 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 302 [2021-06-17 06:19:43,809 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 1442 [2021-06-17 06:19:44,118 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 262 [2021-06-17 06:19:44,307 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 233 [2021-06-17 06:19:45,161 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 1292 DAG size of output: 1292 [2021-06-17 06:19:45,389 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 265 [2021-06-17 06:19:45,666 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 204 [2021-06-17 06:19:45,855 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 214 [2021-06-17 06:19:46,910 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1104 DAG size of output: 1104 [2021-06-17 06:19:47,631 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 490 [2021-06-17 06:19:48,704 WARN L205 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 509 [2021-06-17 06:19:49,301 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 338 [2021-06-17 06:19:49,612 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 441 [2021-06-17 06:19:50,016 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 535 [2021-06-17 06:19:50,124 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 624 [2021-06-17 06:19:50,741 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 353 [2021-06-17 06:19:51,353 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 193 [2021-06-17 06:19:51,471 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 204 [2021-06-17 06:19:51,611 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 216 [2021-06-17 06:19:52,278 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 291 [2021-06-17 06:19:53,053 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 1185 DAG size of output: 751 [2021-06-17 06:19:54,172 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1369 DAG size of output: 911 [2021-06-17 06:19:55,421 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1497 DAG size of output: 994 [2021-06-17 06:19:56,864 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1806 DAG size of output: 1194 [2021-06-17 06:19:57,059 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 248 [2021-06-17 06:19:57,252 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-06-17 06:19:57,567 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 232 [2021-06-17 06:19:58,158 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 169 [2021-06-17 06:19:58,299 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 207 [2021-06-17 06:19:58,462 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 223 [2021-06-17 06:20:00,146 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 2038 DAG size of output: 1341 [2021-06-17 06:20:02,260 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 2187 DAG size of output: 1400 [2021-06-17 06:20:05,391 WARN L205 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 2655 DAG size of output: 1823 [2021-06-17 06:20:09,519 WARN L205 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 2932 DAG size of output: 2078 [2021-06-17 06:20:14,604 WARN L205 SmtUtils]: Spent 5.07 s on a formula simplification. DAG size of input: 3415 DAG size of output: 2208 [2021-06-17 06:20:20,375 WARN L205 SmtUtils]: Spent 5.75 s on a formula simplification. DAG size of input: 3441 DAG size of output: 2213 [2021-06-17 06:20:26,161 WARN L205 SmtUtils]: Spent 5.77 s on a formula simplification. DAG size of input: 3441 DAG size of output: 2213 [2021-06-17 06:20:32,444 WARN L205 SmtUtils]: Spent 6.27 s on a formula simplification. DAG size of input: 3444 DAG size of output: 2217 [2021-06-17 06:20:32,700 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 2213 [2021-06-17 06:20:33,220 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 2213 DAG size of output: 2213 [2021-06-17 06:20:33,466 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 2208 [2021-06-17 06:20:38,243 WARN L205 SmtUtils]: Spent 4.76 s on a formula simplification. DAG size of input: 2078 DAG size of output: 1870 [2021-06-17 06:20:38,528 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 1107 [2021-06-17 06:20:40,480 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1010 DAG size of output: 875 [2021-06-17 06:20:41,008 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 416 [2021-06-17 06:20:41,192 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 188 [2021-06-17 06:20:41,663 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 197 [2021-06-17 06:20:42,730 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 529 [2021-06-17 06:20:42,902 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 289 [2021-06-17 06:20:43,506 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 258 [2021-06-17 06:20:44,218 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 286 [2021-06-17 06:20:44,468 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 383 [2021-06-17 06:20:44,658 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 947 DAG size of output: 945 [2021-06-17 06:20:46,003 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 789 DAG size of output: 735 [2021-06-17 06:20:46,592 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 547 [2021-06-17 06:20:47,082 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 464 [2021-06-17 06:20:47,765 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 242 [2021-06-17 06:20:47,923 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 252 [2021-06-17 06:20:48,236 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 239 [2021-06-17 06:20:48,931 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 315 [2021-06-17 06:20:49,066 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 196 [2021-06-17 06:20:49,483 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 346 [2021-06-17 06:20:49,794 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 589 DAG size of output: 350 [2021-06-17 06:20:50,350 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 574 [2021-06-17 06:20:50,652 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 292 [2021-06-17 06:20:50,810 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 195 [2021-06-17 06:20:51,562 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 213 [2021-06-17 06:20:51,709 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 199 [2021-06-17 06:20:52,263 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 180 [2021-06-17 06:20:53,052 WARN L205 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 1288 DAG size of output: 687 [2021-06-17 06:20:54,005 WARN L205 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 686 [2021-06-17 06:20:54,942 WARN L205 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 686 [2021-06-17 06:20:55,905 WARN L205 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 1297 DAG size of output: 692 [2021-06-17 06:20:56,241 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 491 [2021-06-17 06:20:56,791 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 304 [2021-06-17 06:20:57,110 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 355 [2021-06-17 06:20:57,480 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 360 [2021-06-17 06:20:57,852 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 360 [2021-06-17 06:20:58,251 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 363 [2021-06-17 06:20:58,560 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 365 [2021-06-17 06:20:58,695 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 248 [2021-06-17 06:20:59,601 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:20:59,603 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:20:59,603 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:20:59,603 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-06-17 06:20:59,609 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:20:59,609 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019781688] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:20:59,610 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:20:59,610 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 20] total 32 [2021-06-17 06:20:59,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750484295] [2021-06-17 06:20:59,610 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-17 06:20:59,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:20:59,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-17 06:20:59,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=975, Unknown=0, NotChecked=0, Total=1056 [2021-06-17 06:20:59,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:20:59,611 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:20:59,611 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 32 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:20:59,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:20:59,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:20:59,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:20:59,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:20:59,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:20:59,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:20:59,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:20:59,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:20:59,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:20:59,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:20:59,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:20:59,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:20:59,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:20:59,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:20:59,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:20:59,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:20:59,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:20:59,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:20:59,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:20:59,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:20:59,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:20:59,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:20:59,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:20:59,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:20:59,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:20:59,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:20:59,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:20:59,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:20:59,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:20:59,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:21:00,027 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1343 [2021-06-17 06:21:00,028 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:21:00,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:21:00,028 INFO L82 PathProgramCache]: Analyzing trace with hash 568831430, now seen corresponding path program 14 times [2021-06-17 06:21:00,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:21:00,028 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586256497] [2021-06-17 06:21:00,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:21:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:21:00,234 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 78 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:21:00,234 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:21:00,234 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586256497] [2021-06-17 06:21:00,234 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586256497] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:21:00,234 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372603042] [2021-06-17 06:21:00,234 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:21:00,274 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:21:00,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:21:00,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-17 06:21:00,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:21:00,372 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 91 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:21:00,372 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372603042] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:21:00,372 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:21:00,372 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 23 [2021-06-17 06:21:00,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757444325] [2021-06-17 06:21:00,373 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-17 06:21:00,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:21:00,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-17 06:21:00,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=394, Unknown=0, NotChecked=0, Total=552 [2021-06-17 06:21:00,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:21:00,375 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:21:00,375 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:21:00,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:21:00,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:21:00,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:21:00,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:21:00,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:21:00,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:21:00,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:21:00,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:21:00,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:21:00,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:21:00,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:21:00,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:21:00,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:21:00,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:21:00,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:21:00,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:21:00,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:21:00,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:21:00,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:21:00,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:21:00,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:21:00,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:21:00,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:21:00,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:21:00,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:21:00,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:21:00,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:21:00,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:21:00,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:21:00,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 06:21:00,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:21:00,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:21:00,923 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11576 [2021-06-17 06:21:00,923 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:21:00,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:21:00,923 INFO L82 PathProgramCache]: Analyzing trace with hash 476976847, now seen corresponding path program 15 times [2021-06-17 06:21:00,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:21:00,924 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918161801] [2021-06-17 06:21:00,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:21:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:21:01,073 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:21:01,073 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:21:01,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918161801] [2021-06-17 06:21:01,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918161801] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:21:01,074 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939211677] [2021-06-17 06:21:01,074 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:21:01,115 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-17 06:21:01,115 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:21:01,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-17 06:21:01,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:21:02,337 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-06-17 06:21:02,338 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:21:02,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 27 new quantified variables, introduced 91 case distinctions, treesize of input 63 treesize of output 774 [2021-06-17 06:21:03,601 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 301 [2021-06-17 06:21:03,891 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 334 [2021-06-17 06:21:04,247 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 363 [2021-06-17 06:21:05,688 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 609 [2021-06-17 06:21:05,995 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 701 DAG size of output: 636 [2021-06-17 06:21:06,636 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 912 [2021-06-17 06:21:07,438 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 1137 DAG size of output: 937 [2021-06-17 06:21:08,419 WARN L205 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 969 [2021-06-17 06:21:09,659 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1200 DAG size of output: 1000 [2021-06-17 06:21:11,107 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1232 DAG size of output: 1032 [2021-06-17 06:21:12,468 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 235 [2021-06-17 06:21:12,631 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 256 [2021-06-17 06:21:12,811 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 289 [2021-06-17 06:21:13,021 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 321 [2021-06-17 06:21:13,260 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 354 [2021-06-17 06:21:15,169 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 1480 DAG size of output: 1192 [2021-06-17 06:21:16,441 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 328 [2021-06-17 06:21:16,682 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 593 [2021-06-17 06:21:18,078 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 589 [2021-06-17 06:21:18,681 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1122 [2021-06-17 06:21:19,400 WARN L205 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 1279 DAG size of output: 1150 [2021-06-17 06:21:20,329 WARN L205 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 1310 DAG size of output: 1181 [2021-06-17 06:21:21,436 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1340 DAG size of output: 1211 [2021-06-17 06:21:22,849 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1369 DAG size of output: 1239 [2021-06-17 06:21:24,457 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 316 [2021-06-17 06:21:24,664 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 348 [2021-06-17 06:21:24,936 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 375 [2021-06-17 06:21:25,258 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 406 [2021-06-17 06:21:25,617 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 436 [2021-06-17 06:21:27,652 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 1800 DAG size of output: 1526 [2021-06-17 06:21:30,016 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 1831 DAG size of output: 1557 [2021-06-17 06:21:34,697 WARN L205 SmtUtils]: Spent 4.67 s on a formula simplification. DAG size of input: 3112 DAG size of output: 2563 [2021-06-17 06:21:39,994 WARN L205 SmtUtils]: Spent 5.28 s on a formula simplification. DAG size of input: 3143 DAG size of output: 2594 [2021-06-17 06:21:45,783 WARN L205 SmtUtils]: Spent 5.77 s on a formula simplification. DAG size of input: 3171 DAG size of output: 2622 [2021-06-17 06:21:52,447 WARN L205 SmtUtils]: Spent 6.65 s on a formula simplification. DAG size of input: 3200 DAG size of output: 2649 [2021-06-17 06:21:59,785 WARN L205 SmtUtils]: Spent 7.32 s on a formula simplification. DAG size of input: 3246 DAG size of output: 2693 [2021-06-17 06:22:01,137 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 234 [2021-06-17 06:22:01,296 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 262 [2021-06-17 06:22:01,476 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 295 [2021-06-17 06:22:01,686 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 327 [2021-06-17 06:22:03,185 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 610 [2021-06-17 06:22:04,396 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 302 [2021-06-17 06:22:04,593 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 335 [2021-06-17 06:22:05,115 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 881 [2021-06-17 06:22:05,768 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 911 [2021-06-17 06:22:06,583 WARN L205 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 1136 DAG size of output: 943 [2021-06-17 06:22:07,601 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1168 DAG size of output: 975 [2021-06-17 06:22:08,906 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1199 DAG size of output: 1006 [2021-06-17 06:22:10,604 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 1441 DAG size of output: 1168 [2021-06-17 06:22:12,548 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1474 DAG size of output: 1201 [2021-06-17 06:22:13,728 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 302 [2021-06-17 06:22:13,930 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 335 [2021-06-17 06:22:14,198 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 364 [2021-06-17 06:22:15,478 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 304 [2021-06-17 06:22:15,692 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 339 [2021-06-17 06:22:15,973 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 370 [2021-06-17 06:22:16,569 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 890 DAG size of output: 633 [2021-06-17 06:22:17,300 WARN L205 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 659 [2021-06-17 06:22:18,147 WARN L205 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 957 DAG size of output: 693 [2021-06-17 06:22:19,153 WARN L205 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 990 DAG size of output: 726 [2021-06-17 06:22:20,322 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1024 DAG size of output: 760 [2021-06-17 06:22:22,542 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1051 DAG size of output: 779 [2021-06-17 06:22:26,117 WARN L205 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 2305 DAG size of output: 1755 [2021-06-17 06:22:30,205 WARN L205 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 2338 DAG size of output: 1788 [2021-06-17 06:22:34,663 WARN L205 SmtUtils]: Spent 4.45 s on a formula simplification. DAG size of input: 2368 DAG size of output: 1818 [2021-06-17 06:22:39,546 WARN L205 SmtUtils]: Spent 4.87 s on a formula simplification. DAG size of input: 2399 DAG size of output: 1847 [2021-06-17 06:22:53,449 WARN L205 SmtUtils]: Spent 13.89 s on a formula simplification. DAG size of input: 5327 DAG size of output: 4237 [2021-06-17 06:23:08,593 WARN L205 SmtUtils]: Spent 15.12 s on a formula simplification. DAG size of input: 5355 DAG size of output: 4263 [2021-06-17 06:23:23,800 WARN L205 SmtUtils]: Spent 15.18 s on a formula simplification. DAG size of input: 5355 DAG size of output: 4263 [2021-06-17 06:23:41,003 WARN L205 SmtUtils]: Spent 17.18 s on a formula simplification. DAG size of input: 5378 DAG size of output: 4286 [2021-06-17 06:24:10,208 WARN L205 SmtUtils]: Spent 29.17 s on a formula simplification. DAG size of input: 4288 DAG size of output: 5230 [2021-06-17 06:24:44,224 WARN L205 SmtUtils]: Spent 33.98 s on a formula simplification. DAG size of input: 4282 DAG size of output: 6377 [2021-06-17 06:24:44,733 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 4274 [2021-06-17 06:24:46,142 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 309 [2021-06-17 06:24:46,395 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 334 [2021-06-17 06:24:47,060 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 231 [2021-06-17 06:24:47,188 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 256 [2021-06-17 06:24:47,900 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 244 [2021-06-17 06:24:48,180 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 352 [2021-06-17 06:24:48,514 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 375 [2021-06-17 06:24:49,185 WARN L205 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 545 [2021-06-17 06:24:49,867 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 240 [2021-06-17 06:24:50,501 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 228 [2021-06-17 06:24:50,621 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 250 [2021-06-17 06:24:50,876 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 346 [2021-06-17 06:24:52,185 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 299 [2021-06-17 06:24:52,733 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 516 [2021-06-17 06:24:53,368 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 643 DAG size of output: 538 [2021-06-17 06:24:54,696 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1114 DAG size of output: 848 [2021-06-17 06:24:55,343 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2021-06-17 06:24:55,841 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 234 [2021-06-17 06:24:56,076 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 340 [2021-06-17 06:24:57,169 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 275 [2021-06-17 06:24:57,655 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 481 [2021-06-17 06:24:58,228 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 501 [2021-06-17 06:24:58,906 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 256 [2021-06-17 06:24:59,466 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 245 [2021-06-17 06:24:59,726 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 349 [2021-06-17 06:25:00,030 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 370 [2021-06-17 06:25:01,208 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 287 [2021-06-17 06:25:01,413 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 307 [2021-06-17 06:25:02,024 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 514 [2021-06-17 06:25:03,237 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 926 DAG size of output: 806 Received shutdown request... [2021-06-17 06:25:06,093 WARN L205 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 1850 DAG size of output: 1449 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown