/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-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-5.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 15:22:39,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 15:22:39,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 15:22:39,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 15:22:39,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 15:22:39,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 15:22:39,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 15:22:39,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 15:22:39,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 15:22:39,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 15:22:39,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 15:22:39,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 15:22:39,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 15:22:39,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 15:22:39,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 15:22:39,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 15:22:39,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 15:22:39,641 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-Random7777.epf [2021-07-10 15:22:39,661 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 15:22:39,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 15:22:39,662 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 15:22:39,662 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 15:22:39,663 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 15:22:39,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 15:22:39,663 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 15:22:39,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 15:22:39,664 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 15:22:39,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 15:22:39,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 15:22:39,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 15:22:39,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 15:22:39,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 15:22:39,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 15:22:39,665 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 15:22:39,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 15:22:39,665 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 15:22:39,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 15:22:39,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 15:22:39,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 15:22:39,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 15:22:39,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 15:22:39,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 15:22:39,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 15:22:39,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 15:22:39,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 15:22:39,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 15:22:39,667 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-10 15:22:39,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 15:22:39,667 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 15:22:39,667 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 15:22:39,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 15:22:39,667 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 15:22:39,668 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-10 15:22:39,668 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 15:22:39,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 15:22:39,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 15:22:39,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 15:22:39,983 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 15:22:39,984 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 15:22:39,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-5.wvr.bpl [2021-07-10 15:22:39,985 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-5.wvr.bpl' [2021-07-10 15:22:40,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 15:22:40,013 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 15:22:40,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 15:22:40,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 15:22:40,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 15:22:40,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:22:40" (1/1) ... [2021-07-10 15:22:40,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:22:40" (1/1) ... [2021-07-10 15:22:40,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 15:22:40,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 15:22:40,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 15:22:40,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 15:22:40,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:22:40" (1/1) ... [2021-07-10 15:22:40,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:22:40" (1/1) ... [2021-07-10 15:22:40,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:22:40" (1/1) ... [2021-07-10 15:22:40,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:22:40" (1/1) ... [2021-07-10 15:22:40,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:22:40" (1/1) ... [2021-07-10 15:22:40,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:22:40" (1/1) ... [2021-07-10 15:22:40,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:22:40" (1/1) ... [2021-07-10 15:22:40,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 15:22:40,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 15:22:40,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 15:22:40,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 15:22:40,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:22:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 15:22:40,127 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 15:22:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 15:22:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 15:22:40,128 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 15:22:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 15:22:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 15:22:40,128 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 15:22:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 15:22:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 15:22:40,129 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 15:22:40,403 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 15:22:40,403 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 15:22:40,404 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 15:22:40,404 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-10 15:22:40,405 INFO L202 PluginConnector]: Adding new model unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:22:40 BoogieIcfgContainer [2021-07-10 15:22:40,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 15:22:40,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 15:22:40,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 15:22:40,409 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 15:22:40,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:22:40" (1/2) ... [2021-07-10 15:22:40,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa56f37 and model type unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:22:40, skipping insertion in model container [2021-07-10 15:22:40,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:22:40" (2/2) ... [2021-07-10 15:22:40,411 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-5.wvr.bpl [2021-07-10 15:22:40,416 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 15:22:40,416 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 15:22:40,416 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 15:22:40,417 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 15:22:40,439 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 15:22:40,459 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 15:22:40,513 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 15:22:40,513 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 15:22:40,513 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 15:22:40,513 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 15:22:40,514 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 15:22:40,514 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 15:22:40,514 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 15:22:40,514 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 15:22:40,581 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:40,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:40,586 INFO L82 PathProgramCache]: Analyzing trace with hash -529611317, now seen corresponding path program 1 times [2021-07-10 15:22:40,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:40,594 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754405428] [2021-07-10 15:22:40,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:40,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:22:40,733 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:40,733 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754405428] [2021-07-10 15:22:40,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754405428] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 15:22:40,735 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 15:22:40,735 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 15:22:40,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133470778] [2021-07-10 15:22:40,739 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 15:22:40,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:40,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 15:22:40,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 15:22:40,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:40,759 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:40,760 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) [2021-07-10 15:22:40,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:40,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:40,792 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 15:22:40,793 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:40,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:40,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1611843751, now seen corresponding path program 1 times [2021-07-10 15:22:40,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:40,794 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615535605] [2021-07-10 15:22:40,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:40,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:22:40,855 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:40,856 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615535605] [2021-07-10 15:22:40,856 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615535605] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 15:22:40,856 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 15:22:40,856 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 15:22:40,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604034590] [2021-07-10 15:22:40,857 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 15:22:40,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:40,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 15:22:40,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 15:22:40,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:40,859 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:40,859 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:22:40,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:40,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:40,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:40,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:40,897 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 15:22:40,897 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:40,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:40,898 INFO L82 PathProgramCache]: Analyzing trace with hash 2030600288, now seen corresponding path program 1 times [2021-07-10 15:22:40,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:40,898 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019480930] [2021-07-10 15:22:40,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:40,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 15:22:40,979 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:40,979 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019480930] [2021-07-10 15:22:40,980 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019480930] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:40,980 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644181586] [2021-07-10 15:22:40,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:41,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 15:22:41,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:22:41,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 15:22:41,127 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644181586] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:41,128 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:22:41,128 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-10 15:22:41,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927867645] [2021-07-10 15:22:41,128 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 15:22:41,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:41,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 15:22:41,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 15:22:41,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:41,131 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:41,131 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) [2021-07-10 15:22:41,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:41,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:41,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:41,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:41,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:41,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:41,369 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:41,369 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:41,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:41,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1615381444, now seen corresponding path program 2 times [2021-07-10 15:22:41,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:41,370 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249741198] [2021-07-10 15:22:41,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:41,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 15:22:41,426 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:41,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249741198] [2021-07-10 15:22:41,426 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249741198] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:41,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633249475] [2021-07-10 15:22:41,426 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:41,457 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 15:22:41,458 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:22:41,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 15:22:41,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:22:41,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 15:22:41,505 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633249475] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:41,505 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:22:41,505 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-10 15:22:41,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840299997] [2021-07-10 15:22:41,506 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 15:22:41,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:41,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 15:22:41,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 15:22:41,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:41,507 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:41,507 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:22:41,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:41,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:41,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:41,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:41,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:41,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:41,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:41,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:41,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:41,753 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:41,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:41,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1323301856, now seen corresponding path program 3 times [2021-07-10 15:22:41,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:41,754 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428014074] [2021-07-10 15:22:41,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:41,844 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 15:22:41,844 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:41,845 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428014074] [2021-07-10 15:22:41,845 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428014074] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:41,845 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175660336] [2021-07-10 15:22:41,845 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-10 15:22:41,888 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 15:22:41,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:22:41,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-10 15:22:41,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:41,978 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 15:22:41,978 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175660336] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:41,978 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:22:41,979 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-10 15:22:41,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524621013] [2021-07-10 15:22:41,979 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 15:22:41,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:41,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 15:22:41,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-10 15:22:41,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:41,981 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:41,982 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:22:41,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:41,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:41,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:41,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:41,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:42,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:42,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:42,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:42,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:42,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:42,243 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:42,244 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:42,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:42,244 INFO L82 PathProgramCache]: Analyzing trace with hash -2066796356, now seen corresponding path program 4 times [2021-07-10 15:22:42,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:42,244 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460390260] [2021-07-10 15:22:42,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:42,344 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 15:22:42,344 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:42,345 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460390260] [2021-07-10 15:22:42,345 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460390260] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:42,345 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377159459] [2021-07-10 15:22:42,345 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 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 [2021-07-10 15:22:42,379 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 15:22:42,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:22:42,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-10 15:22:42,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:22:42,471 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 15:22:42,472 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377159459] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:42,472 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:22:42,472 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-07-10 15:22:42,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614099058] [2021-07-10 15:22:42,472 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 15:22:42,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:42,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 15:22:42,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-07-10 15:22:42,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:42,473 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:42,473 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:22:42,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:42,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:42,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:42,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:42,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:42,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:42,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:42,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:42,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:42,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:42,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:42,723 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-10 15:22:42,724 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:42,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:42,724 INFO L82 PathProgramCache]: Analyzing trace with hash 214341472, now seen corresponding path program 5 times [2021-07-10 15:22:42,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:42,725 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705594655] [2021-07-10 15:22:42,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:42,781 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:22:42,781 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:42,781 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705594655] [2021-07-10 15:22:42,781 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705594655] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:42,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274536539] [2021-07-10 15:22:42,782 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:42,812 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 15:22:42,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:22:42,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 15:22:42,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:22:42,969 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:22:42,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-07-10 15:22:43,145 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:22:43,147 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:22:43,147 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 15:22:43,147 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-07-10 15:22:43,153 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:22:43,153 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274536539] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:43,153 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:22:43,154 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2021-07-10 15:22:43,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468583077] [2021-07-10 15:22:43,154 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 15:22:43,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:43,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 15:22:43,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-07-10 15:22:43,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:43,157 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:43,157 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 13 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) [2021-07-10 15:22:43,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:43,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:43,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:43,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:43,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:43,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:43,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:43,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:43,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:22:43,428 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:43,429 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:43,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:43,429 INFO L82 PathProgramCache]: Analyzing trace with hash -2084829892, now seen corresponding path program 6 times [2021-07-10 15:22:43,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:43,429 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931984755] [2021-07-10 15:22:43,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:43,508 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:22:43,509 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:43,509 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931984755] [2021-07-10 15:22:43,509 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931984755] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:43,509 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559072894] [2021-07-10 15:22:43,509 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:43,544 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-10 15:22:43,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:22:43,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-10 15:22:43,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:22:43,595 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:22:43,596 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559072894] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:43,596 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:22:43,596 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-07-10 15:22:43,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623961733] [2021-07-10 15:22:43,596 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 15:22:43,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:43,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 15:22:43,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-07-10 15:22:43,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:43,597 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:43,597 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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) [2021-07-10 15:22:43,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:43,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:43,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:43,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:43,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:43,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:43,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:22:43,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:43,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:43,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:43,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:43,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:43,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:43,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:43,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:22:43,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:22:43,923 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:43,923 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:43,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:43,924 INFO L82 PathProgramCache]: Analyzing trace with hash -204492199, now seen corresponding path program 7 times [2021-07-10 15:22:43,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:43,924 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935055799] [2021-07-10 15:22:43,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:44,020 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 15:22:44,021 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:44,021 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935055799] [2021-07-10 15:22:44,022 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935055799] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:44,022 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462097205] [2021-07-10 15:22:44,022 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 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 [2021-07-10 15:22:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:44,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 15:22:44,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:22:44,139 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 15:22:44,139 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462097205] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:44,139 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:22:44,139 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-07-10 15:22:44,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132794752] [2021-07-10 15:22:44,142 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 15:22:44,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:44,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 15:22:44,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-07-10 15:22:44,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:44,143 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:44,143 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) [2021-07-10 15:22:44,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:44,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:44,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:44,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:44,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:44,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:44,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:22:44,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:22:44,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:44,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:44,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:44,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:44,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:44,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:44,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:44,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:22:44,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:22:44,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:22:44,545 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-07-10 15:22:44,546 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:44,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:44,546 INFO L82 PathProgramCache]: Analyzing trace with hash -2094982859, now seen corresponding path program 8 times [2021-07-10 15:22:44,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:44,547 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831594661] [2021-07-10 15:22:44,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:44,693 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 15:22:44,693 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:44,693 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831594661] [2021-07-10 15:22:44,693 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831594661] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:44,693 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748811625] [2021-07-10 15:22:44,693 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 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 [2021-07-10 15:22:44,722 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 15:22:44,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:22:44,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 15:22:44,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:22:44,830 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 15:22:44,831 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748811625] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:44,831 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:22:44,831 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-07-10 15:22:44,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221349739] [2021-07-10 15:22:44,831 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 15:22:44,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:44,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 15:22:44,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-07-10 15:22:44,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:44,832 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:44,832 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:22:44,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:44,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:44,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:44,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:44,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:44,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:44,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:22:44,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:22:44,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:22:44,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:45,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:45,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:45,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:45,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:45,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:45,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:45,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:22:45,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:22:45,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:22:45,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 15:22:45,220 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:45,221 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:45,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:45,221 INFO L82 PathProgramCache]: Analyzing trace with hash -570651175, now seen corresponding path program 9 times [2021-07-10 15:22:45,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:45,222 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104841270] [2021-07-10 15:22:45,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:45,362 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 15:22:45,362 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:45,363 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104841270] [2021-07-10 15:22:45,363 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104841270] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:45,363 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663144585] [2021-07-10 15:22:45,363 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 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 [2021-07-10 15:22:45,408 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 15:22:45,408 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:22:45,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 15:22:45,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:22:45,553 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 15:22:45,554 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663144585] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:45,554 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:22:45,554 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-07-10 15:22:45,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166118805] [2021-07-10 15:22:45,555 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 15:22:45,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:45,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 15:22:45,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-07-10 15:22:45,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:45,556 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:45,556 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) [2021-07-10 15:22:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:22:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:22:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:22:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 15:22:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:45,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:45,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:45,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:45,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:45,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:45,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:45,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:22:45,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:22:45,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:22:45,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 15:22:45,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:22:45,988 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:45,989 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:45,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:45,989 INFO L82 PathProgramCache]: Analyzing trace with hash -561009227, now seen corresponding path program 10 times [2021-07-10 15:22:45,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:45,990 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362557432] [2021-07-10 15:22:45,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:46,141 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 15:22:46,141 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:46,141 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362557432] [2021-07-10 15:22:46,141 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362557432] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:46,141 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184138841] [2021-07-10 15:22:46,142 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 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 [2021-07-10 15:22:46,175 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 15:22:46,175 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:22:46,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-10 15:22:46,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:22:46,356 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 15:22:46,357 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184138841] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:46,357 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:22:46,357 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-07-10 15:22:46,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622198704] [2021-07-10 15:22:46,357 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 15:22:46,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:46,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 15:22:46,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2021-07-10 15:22:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:46,358 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:46,358 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.4) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:22:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:22:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:22:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:22:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 15:22:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:22:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:46,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:46,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:46,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:46,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:46,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:46,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:46,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:22:46,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:22:46,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:22:46,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 15:22:46,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:22:46,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 15:22:46,784 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-07-10 15:22:46,784 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:46,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:46,784 INFO L82 PathProgramCache]: Analyzing trace with hash -262108839, now seen corresponding path program 11 times [2021-07-10 15:22:46,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:46,784 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656358324] [2021-07-10 15:22:46,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:46,887 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:22:46,887 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:46,887 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656358324] [2021-07-10 15:22:46,887 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656358324] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:46,887 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384611286] [2021-07-10 15:22:46,888 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 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 [2021-07-10 15:22:46,923 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 15:22:46,923 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:22:46,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-10 15:22:46,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:22:47,475 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-10 15:22:47,476 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:22:47,476 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 [2021-07-10 15:22:48,926 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 230 [2021-07-10 15:22:49,128 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2021-07-10 15:22:49,331 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2021-07-10 15:22:49,583 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 263 [2021-07-10 15:22:50,096 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 327 [2021-07-10 15:22:50,490 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 318 [2021-07-10 15:22:50,758 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 275 [2021-07-10 15:22:52,078 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 246 [2021-07-10 15:22:52,246 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 263 [2021-07-10 15:22:52,403 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 213 [2021-07-10 15:22:52,515 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 215 [2021-07-10 15:22:54,478 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 203 [2021-07-10 15:22:54,639 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 222 [2021-07-10 15:22:54,913 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 300 [2021-07-10 15:22:55,376 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 326 [2021-07-10 15:22:56,722 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 236 [2021-07-10 15:22:56,947 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 260 [2021-07-10 15:22:57,193 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 307 [2021-07-10 15:22:57,974 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 183 [2021-07-10 15:22:58,118 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 202 [2021-07-10 15:22:58,296 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 220 [2021-07-10 15:22:58,479 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 229 [2021-07-10 15:22:58,955 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 431 [2021-07-10 15:22:59,904 WARN L205 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 806 DAG size of output: 631 [2021-07-10 15:23:00,981 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 835 DAG size of output: 670 [2021-07-10 15:23:02,401 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 969 DAG size of output: 794 [2021-07-10 15:23:04,056 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 979 DAG size of output: 806 [2021-07-10 15:23:06,029 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 1051 DAG size of output: 859 [2021-07-10 15:23:08,353 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 1150 DAG size of output: 926 [2021-07-10 15:23:08,607 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 268 [2021-07-10 15:23:08,794 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 269 [2021-07-10 15:23:08,973 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 254 [2021-07-10 15:23:09,974 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 220 [2021-07-10 15:23:10,398 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 247 [2021-07-10 15:23:10,617 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 254 [2021-07-10 15:23:11,841 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 191 [2021-07-10 15:23:12,318 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 227 [2021-07-10 15:23:12,576 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 234 [2021-07-10 15:23:13,088 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 367 [2021-07-10 15:23:13,656 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 370 [2021-07-10 15:23:14,364 WARN L205 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 432 [2021-07-10 15:23:17,703 WARN L205 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 1529 DAG size of output: 1137 [2021-07-10 15:23:21,127 WARN L205 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 1529 DAG size of output: 1137 [2021-07-10 15:23:24,885 WARN L205 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 1540 DAG size of output: 1148 [2021-07-10 15:23:25,031 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 1144 [2021-07-10 15:23:28,635 WARN L205 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 1146 DAG size of output: 1191 [2021-07-10 15:23:31,607 WARN L205 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 1072 DAG size of output: 1162 [2021-07-10 15:23:34,438 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 1062 DAG size of output: 1243 [2021-07-10 15:23:34,945 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 581 [2021-07-10 15:23:35,199 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 342 [2021-07-10 15:23:35,657 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 211 [2021-07-10 15:23:36,209 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 221 [2021-07-10 15:23:36,392 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 264 [2021-07-10 15:23:36,780 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 382 [2021-07-10 15:23:37,539 WARN L205 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 738 DAG size of output: 556 [2021-07-10 15:23:38,438 WARN L205 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 898 DAG size of output: 650 [2021-07-10 15:23:39,727 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1089 DAG size of output: 754 [2021-07-10 15:23:41,049 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1089 DAG size of output: 754 [2021-07-10 15:23:42,681 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1094 DAG size of output: 478 [2021-07-10 15:23:43,015 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 290 [2021-07-10 15:23:43,199 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2021-07-10 15:23:43,623 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 221 [2021-07-10 15:23:43,740 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 221 [2021-07-10 15:23:43,861 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 224 [2021-07-10 15:23:44,376 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:23:44,378 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:23:44,379 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 15:23:44,379 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-10 15:23:44,384 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:23:44,385 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384611286] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:23:44,385 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:23:44,385 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 24 [2021-07-10 15:23:44,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594839058] [2021-07-10 15:23:44,387 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 15:23:44,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:23:44,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 15:23:44,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-07-10 15:23:44,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:23:44,388 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:23:44,388 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.52) internal successors, (38), 24 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:23:44,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:23:44,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:23:44,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:23:44,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:23:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:23:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:23:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:23:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:23:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:23:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 15:23:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:23:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 15:23:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:23:44,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:23:44,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:23:44,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:23:44,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:23:44,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:23:44,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:23:44,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:23:44,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:23:44,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:23:44,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 15:23:44,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:23:44,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 15:23:44,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:23:44,709 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-07-10 15:23:44,709 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:23:44,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:23:44,710 INFO L82 PathProgramCache]: Analyzing trace with hash 413868597, now seen corresponding path program 12 times [2021-07-10 15:23:44,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:23:44,710 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189211931] [2021-07-10 15:23:44,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:23:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:23:44,838 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 45 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:23:44,839 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:23:44,839 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189211931] [2021-07-10 15:23:44,839 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189211931] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:23:44,839 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695895713] [2021-07-10 15:23:44,839 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 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 [2021-07-10 15:23:44,898 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-10 15:23:44,898 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:23:44,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 15:23:44,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:23:44,973 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 55 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:23:44,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695895713] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:23:44,973 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:23:44,973 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2021-07-10 15:23:44,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766221318] [2021-07-10 15:23:44,974 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 15:23:44,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:23:44,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 15:23:44,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-07-10 15:23:44,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:23:44,975 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:23:44,975 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:23:44,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:23:44,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:23:44,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:23:44,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:23:44,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:23:44,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:23:44,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:23:44,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:23:44,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:23:44,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 15:23:44,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:23:44,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 15:23:44,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:23:44,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:23:45,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:23:45,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:23:45,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:23:45,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:23:45,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:23:45,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:23:45,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:23:45,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:23:45,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:23:45,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 15:23:45,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:23:45,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 15:23:45,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:23:45,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 15:23:45,377 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1520 [2021-07-10 15:23:45,377 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:23:45,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:23:45,378 INFO L82 PathProgramCache]: Analyzing trace with hash -54250368, now seen corresponding path program 13 times [2021-07-10 15:23:45,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:23:45,378 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645558529] [2021-07-10 15:23:45,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:23:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:23:45,564 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 15:23:45,564 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:23:45,564 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645558529] [2021-07-10 15:23:45,564 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645558529] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:23:45,564 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141806362] [2021-07-10 15:23:45,564 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 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 [2021-07-10 15:23:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:23:45,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-10 15:23:45,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:23:45,787 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 15:23:45,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141806362] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:23:45,788 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:23:45,788 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-07-10 15:23:45,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807912531] [2021-07-10 15:23:45,788 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-10 15:23:45,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:23:45,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-10 15:23:45,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2021-07-10 15:23:45,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:23:45,789 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:23:45,789 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) [2021-07-10 15:23:45,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:23:45,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:23:45,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:23:45,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:23:45,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:23:45,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:23:45,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:23:45,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:23:45,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:23:45,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 15:23:45,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:23:45,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 15:23:45,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:23:45,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 15:23:45,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:23:46,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:23:46,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:23:46,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:23:46,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:23:46,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:23:46,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:23:46,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:23:46,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:23:46,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:23:46,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 15:23:46,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:23:46,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 15:23:46,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:23:46,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 15:23:46,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:23:46,415 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1521,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:23:46,415 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:23:46,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:23:46,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1020003932, now seen corresponding path program 14 times [2021-07-10 15:23:46,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:23:46,416 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106590548] [2021-07-10 15:23:46,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:23:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:23:46,622 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 15:23:46,622 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:23:46,622 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106590548] [2021-07-10 15:23:46,623 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106590548] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:23:46,623 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121594691] [2021-07-10 15:23:46,623 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 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 [2021-07-10 15:23:46,662 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 15:23:46,662 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:23:46,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-10 15:23:46,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:23:46,896 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 15:23:46,897 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121594691] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:23:46,897 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:23:46,897 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2021-07-10 15:23:46,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102303837] [2021-07-10 15:23:46,897 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-10 15:23:46,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:23:46,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-10 15:23:46,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-07-10 15:23:46,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:23:46,898 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:23:46,899 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 25 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:23:46,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:23:46,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:23:46,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:23:46,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:23:46,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:23:46,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:23:46,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:23:46,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:23:46,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:23:46,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 15:23:46,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:23:46,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 15:23:46,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:23:46,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 15:23:46,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:23:46,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:23:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:23:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:23:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:23:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:23:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:23:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:23:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:23:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:23:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:23:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 15:23:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:23:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 15:23:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:23:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 15:23:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:23:47,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:23:47,606 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1522 [2021-07-10 15:23:47,606 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:23:47,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:23:47,606 INFO L82 PathProgramCache]: Analyzing trace with hash -37851136, now seen corresponding path program 15 times [2021-07-10 15:23:47,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:23:47,607 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056592977] [2021-07-10 15:23:47,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:23:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:23:47,815 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 15:23:47,815 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:23:47,815 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056592977] [2021-07-10 15:23:47,816 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056592977] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:23:47,816 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46579951] [2021-07-10 15:23:47,816 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 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 [2021-07-10 15:23:47,860 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-10 15:23:47,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:23:47,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-10 15:23:47,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:23:48,394 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 6 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:23:48,395 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46579951] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:23:48,395 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:23:48,395 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18] total 32 [2021-07-10 15:23:48,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268339441] [2021-07-10 15:23:48,396 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-10 15:23:48,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:23:48,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-10 15:23:48,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=898, Unknown=0, NotChecked=0, Total=1056 [2021-07-10 15:23:48,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:23:48,397 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:23:48,397 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 32 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:23:48,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:23:48,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:23:48,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:23:48,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:23:48,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:23:48,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:23:48,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:23:48,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:23:48,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:23:48,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 15:23:48,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:23:48,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 15:23:48,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:23:48,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 15:23:48,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:23:48,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:23:48,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:23:49,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:23:49,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:23:49,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:23:49,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:23:49,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:23:49,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:23:49,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:23:49,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:23:49,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:23:49,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 15:23:49,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:23:49,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 15:23:49,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:23:49,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 15:23:49,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:23:49,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:23:49,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 15:23:49,614 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1523,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:23:49,614 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:23:49,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:23:49,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1528380124, now seen corresponding path program 16 times [2021-07-10 15:23:49,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:23:49,615 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116944641] [2021-07-10 15:23:49,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:23:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:23:49,876 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 15:23:49,876 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:23:49,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116944641] [2021-07-10 15:23:49,876 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116944641] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:23:49,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459465479] [2021-07-10 15:23:49,877 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 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 [2021-07-10 15:23:49,912 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 15:23:49,912 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:23:49,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-10 15:23:49,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:23:50,187 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 15:23:50,187 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459465479] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:23:50,187 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:23:50,187 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2021-07-10 15:23:50,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148024297] [2021-07-10 15:23:50,187 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-10 15:23:50,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:23:50,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-10 15:23:50,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=800, Unknown=0, NotChecked=0, Total=870 [2021-07-10 15:23:50,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:23:50,188 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:23:50,189 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 29 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:23:50,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:23:50,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:23:50,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:23:50,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:23:50,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:23:50,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:23:50,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:23:50,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:23:50,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:23:50,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 15:23:50,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:23:50,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 15:23:50,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:23:50,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 15:23:50,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:23:50,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:23:50,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 15:23:50,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:23:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:23:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:23:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:23:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:23:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:23:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:23:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:23:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:23:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:23:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 15:23:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:23:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 15:23:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:23:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 15:23:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:23:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:23:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 15:23:50,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 15:23:50,976 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1524 [2021-07-10 15:23:50,976 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:23:50,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:23:50,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1458058368, now seen corresponding path program 17 times [2021-07-10 15:23:50,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:23:50,977 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528189913] [2021-07-10 15:23:50,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:23:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:23:51,151 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:23:51,151 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:23:51,151 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528189913] [2021-07-10 15:23:51,151 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528189913] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:23:51,151 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680955651] [2021-07-10 15:23:51,151 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:23:51,183 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-10 15:23:51,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:23:51,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-10 15:23:51,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:23:52,441 WARN L205 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2021-07-10 15:23:52,442 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:23:52,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 29 new quantified variables, introduced 105 case distinctions, treesize of input 67 treesize of output 889 [2021-07-10 15:23:53,564 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 255 [2021-07-10 15:23:54,479 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-07-10 15:23:54,681 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 331 [2021-07-10 15:23:56,818 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 307 [2021-07-10 15:23:57,093 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 379 [2021-07-10 15:23:57,423 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 413 [2021-07-10 15:23:58,052 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 526 [2021-07-10 15:23:58,894 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 280 [2021-07-10 15:23:59,721 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 343 [2021-07-10 15:24:00,503 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 293 [2021-07-10 15:24:01,172 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 281 [2021-07-10 15:24:01,296 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 323 [2021-07-10 15:24:01,574 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 402 [2021-07-10 15:24:02,144 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 513 [2021-07-10 15:24:02,851 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 545 [2021-07-10 15:24:04,333 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 355 [2021-07-10 15:24:05,609 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 294 [2021-07-10 15:24:06,045 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 441 [2021-07-10 15:24:06,572 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 474 [2021-07-10 15:24:07,977 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1000 DAG size of output: 761 [2021-07-10 15:24:10,304 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 1330 DAG size of output: 1025 [2021-07-10 15:24:12,645 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 1340 DAG size of output: 1035 [2021-07-10 15:24:15,377 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 1371 DAG size of output: 1067 [2021-07-10 15:24:18,432 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 1404 DAG size of output: 1101 [2021-07-10 15:24:19,629 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 351 [2021-07-10 15:24:20,517 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 306 [2021-07-10 15:24:20,903 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 448 [2021-07-10 15:24:21,375 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 481 [2021-07-10 15:24:22,178 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 254 [2021-07-10 15:24:23,151 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 301 [2021-07-10 15:24:23,406 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 373 [2021-07-10 15:24:23,717 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 407 [2021-07-10 15:24:24,659 WARN L205 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 714 DAG size of output: 649 [2021-07-10 15:24:25,387 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 291 [2021-07-10 15:24:26,098 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 279 [2021-07-10 15:24:26,219 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 319 [2021-07-10 15:24:26,498 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 398 [2021-07-10 15:24:27,936 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 343 [2021-07-10 15:24:28,518 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 525 [2021-07-10 15:24:29,217 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 663 DAG size of output: 557 [2021-07-10 15:24:29,908 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 286 [2021-07-10 15:24:30,049 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 325 [2021-07-10 15:24:30,818 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 311 [2021-07-10 15:24:30,968 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 351 [2021-07-10 15:24:31,310 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 443 [2021-07-10 15:24:32,047 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 314 [2021-07-10 15:24:32,977 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 390 [2021-07-10 15:24:33,723 WARN L205 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 701 DAG size of output: 595 [2021-07-10 15:24:34,603 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 626 [2021-07-10 15:24:36,388 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1116 DAG size of output: 898 [2021-07-10 15:24:39,467 WARN L205 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 1544 DAG size of output: 1253 [2021-07-10 15:24:42,602 WARN L205 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 1554 DAG size of output: 1263 [2021-07-10 15:24:46,175 WARN L205 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 1584 DAG size of output: 1293 [2021-07-10 15:24:50,236 WARN L205 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 1616 DAG size of output: 1326 [2021-07-10 15:24:58,274 WARN L205 SmtUtils]: Spent 8.03 s on a formula simplification. DAG size of input: 2667 DAG size of output: 2084 [2021-07-10 15:25:07,237 WARN L205 SmtUtils]: Spent 8.95 s on a formula simplification. DAG size of input: 2697 DAG size of output: 2115 [2021-07-10 15:25:16,174 WARN L205 SmtUtils]: Spent 8.92 s on a formula simplification. DAG size of input: 2697 DAG size of output: 2115 [2021-07-10 15:25:27,253 WARN L205 SmtUtils]: Spent 11.07 s on a formula simplification. DAG size of input: 2722 DAG size of output: 2140 [2021-07-10 15:25:54,049 WARN L205 SmtUtils]: Spent 26.78 s on a formula simplification. DAG size of input: 2142 DAG size of output: 3536 [2021-07-10 15:25:56,317 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 2084 DAG size of output: 2084 [2021-07-10 15:25:59,819 WARN L205 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 1320 DAG size of output: 1844 [2021-07-10 15:26:06,830 WARN L205 SmtUtils]: Spent 7.00 s on a formula simplification. DAG size of input: 1316 DAG size of output: 1538 [2021-07-10 15:26:14,971 WARN L205 SmtUtils]: Spent 8.13 s on a formula simplification. DAG size of input: 1306 DAG size of output: 2171 [2021-07-10 15:26:22,143 WARN L205 SmtUtils]: Spent 7.16 s on a formula simplification. DAG size of input: 1272 DAG size of output: 1665 [2021-07-10 15:26:30,427 WARN L205 SmtUtils]: Spent 8.27 s on a formula simplification. DAG size of input: 1269 DAG size of output: 1672 [2021-07-10 15:26:30,715 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 1203 DAG size of output: 1203 [2021-07-10 15:26:31,308 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 348 [2021-07-10 15:26:31,452 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 373 [2021-07-10 15:26:31,629 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 402 [2021-07-10 15:26:31,849 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 439 [2021-07-10 15:26:32,498 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2021-07-10 15:26:32,629 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 360 [2021-07-10 15:26:32,796 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 394 [2021-07-10 15:26:33,264 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 696 DAG size of output: 665 [2021-07-10 15:26:33,742 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 709 DAG size of output: 678 [2021-07-10 15:26:34,362 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 356 [2021-07-10 15:26:34,516 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 381 [2021-07-10 15:26:34,710 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 412 [2021-07-10 15:26:35,359 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 339 [2021-07-10 15:26:35,515 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 370 [2021-07-10 15:26:35,938 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 634 [2021-07-10 15:26:36,364 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 646 [2021-07-10 15:26:37,429 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1205 DAG size of output: 1143 [2021-07-10 15:26:38,251 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 395 [2021-07-10 15:26:38,433 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 406 [2021-07-10 15:26:39,386 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 421 [2021-07-10 15:26:39,596 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 433 [2021-07-10 15:26:40,060 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 693 DAG size of output: 682 [2021-07-10 15:26:41,658 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1717 DAG size of output: 1601 [2021-07-10 15:26:42,293 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 314 [2021-07-10 15:26:42,425 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 324 [2021-07-10 15:26:43,156 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 345 [2021-07-10 15:26:43,317 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 356 [2021-07-10 15:26:43,667 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 525 [2021-07-10 15:26:44,488 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 341 [2021-07-10 15:26:45,039 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 802 DAG size of output: 713 [2021-07-10 15:26:47,542 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 2072 DAG size of output: 1911 [2021-07-10 15:26:52,358 WARN L205 SmtUtils]: Spent 4.80 s on a formula simplification. DAG size of input: 1178 DAG size of output: 1596 [2021-07-10 15:26:56,310 WARN L205 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 1102 DAG size of output: 1398 [2021-07-10 15:26:59,192 WARN L205 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 1101 DAG size of output: 1312 [2021-07-10 15:27:03,178 WARN L205 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 1095 DAG size of output: 1408 [2021-07-10 15:27:03,458 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 1091 [2021-07-10 15:27:04,370 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 321 [2021-07-10 15:27:04,510 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 350 [2021-07-10 15:27:04,764 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 386 [2021-07-10 15:27:05,067 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 412 [2021-07-10 15:27:05,880 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 303 [2021-07-10 15:27:06,088 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 332 [2021-07-10 15:27:06,700 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 597 [2021-07-10 15:27:07,043 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 457 [2021-07-10 15:27:07,367 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 444 [2021-07-10 15:27:07,698 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 281 [2021-07-10 15:27:08,741 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 284 [2021-07-10 15:27:09,240 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 239 [2021-07-10 15:27:09,713 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 304 [2021-07-10 15:27:10,192 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 419 [2021-07-10 15:27:10,870 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 245 [2021-07-10 15:27:11,639 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 243 [2021-07-10 15:27:11,852 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 308 [2021-07-10 15:27:12,272 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 402 [2021-07-10 15:27:13,294 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 566 DAG size of output: 586 [2021-07-10 15:27:14,622 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 610 DAG size of output: 648 [2021-07-10 15:27:15,626 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2021-07-10 15:27:15,871 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 270 [2021-07-10 15:27:16,199 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 308 [2021-07-10 15:27:16,723 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 199 [2021-07-10 15:27:16,974 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2021-07-10 15:27:17,556 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 380 [2021-07-10 15:27:19,929 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 849 DAG size of output: 882 [2021-07-10 15:27:20,278 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 410 [2021-07-10 15:27:20,515 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 342 [2021-07-10 15:27:21,461 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 224 [2021-07-10 15:27:22,078 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2021-07-10 15:27:22,327 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 338 [2021-07-10 15:27:22,935 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 229 [2021-07-10 15:27:23,424 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 412 [2021-07-10 15:27:24,052 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 515 [2021-07-10 15:27:24,785 WARN L205 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 526 [2021-07-10 15:27:25,509 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 236 [2021-07-10 15:27:26,177 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 306 [2021-07-10 15:27:26,493 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 377 [2021-07-10 15:27:27,049 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 260 [2021-07-10 15:27:27,526 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 302 [2021-07-10 15:27:28,212 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 240 [2021-07-10 15:27:28,364 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 281 [2021-07-10 15:27:28,741 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 377 [2021-07-10 15:27:29,528 WARN L205 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 587 [2021-07-10 15:27:31,295 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 946 DAG size of output: 855 [2021-07-10 15:27:33,567 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 1051 DAG size of output: 957 [2021-07-10 15:27:33,701 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 278 [2021-07-10 15:27:33,842 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 290 [2021-07-10 15:27:33,973 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 285 [2021-07-10 15:27:34,982 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 252 [2021-07-10 15:27:35,165 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 316 [2021-07-10 15:27:35,441 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 389 [2021-07-10 15:27:35,785 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 405 [2021-07-10 15:27:36,405 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 267 [2021-07-10 15:27:36,615 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 320 [2021-07-10 15:27:37,186 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 281 [2021-07-10 15:27:37,542 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 401 [2021-07-10 15:27:38,314 WARN L205 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 562 [2021-07-10 15:27:38,874 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2021-07-10 15:27:39,004 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 292 [2021-07-10 15:27:39,558 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 262 [2021-07-10 15:27:39,732 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 318 [2021-07-10 15:27:40,046 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 410 [2021-07-10 15:27:40,225 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 272 [2021-07-10 15:27:40,710 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 261 [2021-07-10 15:27:40,907 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 320 [2021-07-10 15:27:41,392 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 279 [2021-07-10 15:27:41,539 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 300 [2021-07-10 15:27:41,883 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 418 [2021-07-10 15:27:42,633 WARN L205 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 566 [2021-07-10 15:27:44,328 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 1051 DAG size of output: 864 [2021-07-10 15:27:46,386 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 1113 DAG size of output: 917 [2021-07-10 15:27:47,060 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 261 [2021-07-10 15:27:47,648 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 284 [2021-07-10 15:27:47,898 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 359 [2021-07-10 15:27:48,590 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 296 [2021-07-10 15:27:49,051 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 265 [2021-07-10 15:27:49,311 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 375 [2021-07-10 15:27:49,896 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 503 [2021-07-10 15:27:50,651 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 235 [2021-07-10 15:27:50,855 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 264 [2021-07-10 15:27:51,428 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 242 [2021-07-10 15:27:51,827 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 325 [2021-07-10 15:27:52,373 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 438 [2021-07-10 15:27:53,635 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 749 DAG size of output: 750 [2021-07-10 15:27:55,171 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 800 DAG size of output: 800 [2021-07-10 15:27:59,348 WARN L205 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 1555 DAG size of output: 1414 [2021-07-10 15:28:06,779 WARN L205 SmtUtils]: Spent 7.42 s on a formula simplification. DAG size of input: 2320 DAG size of output: 2079 [2021-07-10 15:28:15,647 WARN L205 SmtUtils]: Spent 8.85 s on a formula simplification. DAG size of input: 2889 DAG size of output: 2253 [2021-07-10 15:28:16,176 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 243 [2021-07-10 15:28:16,298 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 257 [2021-07-10 15:28:16,440 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 267 [2021-07-10 15:28:26,702 WARN L205 SmtUtils]: Spent 10.26 s on a formula simplification. DAG size of input: 3026 DAG size of output: 2377 [2021-07-10 15:28:27,344 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 514 [2021-07-10 15:28:28,150 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2021-07-10 15:28:29,092 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 209 [2021-07-10 15:28:29,327 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 271 [2021-07-10 15:28:29,651 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 311 [2021-07-10 15:28:30,212 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 380 [2021-07-10 15:28:30,410 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 316 [2021-07-10 15:28:30,567 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 323 [2021-07-10 15:28:30,708 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 303 [2021-07-10 15:28:31,415 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 243 [2021-07-10 15:28:31,574 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 305 [2021-07-10 15:28:32,164 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 256 [2021-07-10 15:28:32,732 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 312 [2021-07-10 15:28:33,135 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 436 [2021-07-10 15:28:34,071 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 256 [2021-07-10 15:28:34,249 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 306 [2021-07-10 15:28:35,084 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 300 [2021-07-10 15:28:35,479 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 430 [2021-07-10 15:28:36,387 WARN L205 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 618 [2021-07-10 15:28:36,521 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 307 [2021-07-10 15:28:37,257 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 283 [2021-07-10 15:28:37,422 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 302 [2021-07-10 15:28:38,243 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 279 [2021-07-10 15:28:38,636 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 420 [2021-07-10 15:28:38,794 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 358 [2021-07-10 15:28:39,669 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 302 [2021-07-10 15:28:39,797 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 332 [2021-07-10 15:28:39,941 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 316 [2021-07-10 15:28:40,434 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 294 [2021-07-10 15:28:40,717 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 346 [2021-07-10 15:28:41,166 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 442 [2021-07-10 15:28:42,113 WARN L205 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 734 DAG size of output: 616 [2021-07-10 15:28:44,164 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 1144 DAG size of output: 978 [2021-07-10 15:28:46,715 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 1236 DAG size of output: 1068 [2021-07-10 15:28:49,348 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 1461 DAG size of output: 976 [2021-07-10 15:28:52,772 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 1567 DAG size of output: 1074 [2021-07-10 15:28:53,148 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 389 [2021-07-10 15:28:53,374 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 388 [2021-07-10 15:28:53,605 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 388 [2021-07-10 15:28:53,840 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 435 [2021-07-10 15:28:54,179 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 446 [2021-07-10 15:28:54,322 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 370 [2021-07-10 15:28:54,535 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 386 [2021-07-10 15:28:55,189 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 300 [2021-07-10 15:28:55,434 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 352 [2021-07-10 15:28:55,944 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 455 [2021-07-10 15:28:56,213 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 373 [2021-07-10 15:28:56,988 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 293 [2021-07-10 15:28:57,319 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 308 [2021-07-10 15:28:57,726 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 401 [2021-07-10 15:28:58,655 WARN L205 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 774 DAG size of output: 636 [2021-07-10 15:28:58,916 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 459 [2021-07-10 15:28:59,285 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 466 [2021-07-10 15:28:59,827 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 260 [2021-07-10 15:29:00,385 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 340 [2021-07-10 15:29:00,876 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-07-10 15:29:01,413 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 497 [2021-07-10 15:29:01,716 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 393 [2021-07-10 15:29:01,850 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 347 [2021-07-10 15:29:02,034 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 348 [2021-07-10 15:29:02,644 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 261 [2021-07-10 15:29:02,874 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 319 [2021-07-10 15:29:03,319 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 408 [2021-07-10 15:29:04,327 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 831 DAG size of output: 681 [2021-07-10 15:29:06,462 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 1233 DAG size of output: 968 [2021-07-10 15:29:06,703 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 384 [2021-07-10 15:29:06,973 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 451 [2021-07-10 15:29:07,482 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 249 [2021-07-10 15:29:07,926 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 264 [2021-07-10 15:29:08,076 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 287 [2021-07-10 15:29:08,385 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 369 [2021-07-10 15:29:09,036 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 408 [2021-07-10 15:29:09,415 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 462 [2021-07-10 15:29:09,562 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 378 [2021-07-10 15:29:09,804 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 394 [2021-07-10 15:29:10,503 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 305 [2021-07-10 15:29:10,757 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 357 [2021-07-10 15:29:11,273 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 462 [2021-07-10 15:29:12,189 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 641 [2021-07-10 15:29:12,441 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 427 [2021-07-10 15:29:12,853 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 218 [2021-07-10 15:29:13,402 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 278 [2021-07-10 15:29:14,086 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 307 [2021-07-10 15:29:14,449 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 381 [2021-07-10 15:29:14,932 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 443 [2021-07-10 15:29:15,213 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 369 [2021-07-10 15:29:16,080 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 279 [2021-07-10 15:29:16,292 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 308 [2021-07-10 15:29:16,723 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 399 [2021-07-10 15:29:17,639 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 623 [2021-07-10 15:29:19,725 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 1208 DAG size of output: 945 [2021-07-10 15:29:24,431 WARN L205 SmtUtils]: Spent 4.70 s on a formula simplification. DAG size of input: 1884 DAG size of output: 1436 [2021-07-10 15:29:30,110 WARN L205 SmtUtils]: Spent 5.67 s on a formula simplification. DAG size of input: 2012 DAG size of output: 1581 [2021-07-10 15:29:31,002 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 293 [2021-07-10 15:29:31,192 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 304 [2021-07-10 15:29:38,028 WARN L205 SmtUtils]: Spent 6.83 s on a formula simplification. DAG size of input: 2189 DAG size of output: 1741 [2021-07-10 15:29:49,440 WARN L205 SmtUtils]: Spent 11.40 s on a formula simplification. DAG size of input: 3225 DAG size of output: 2355 [2021-07-10 15:30:13,271 WARN L205 SmtUtils]: Spent 23.81 s on a formula simplification. DAG size of input: 5151 DAG size of output: 3699 [2021-07-10 15:30:40,126 WARN L205 SmtUtils]: Spent 26.83 s on a formula simplification. DAG size of input: 5285 DAG size of output: 3839 [2021-07-10 15:30:41,073 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 218 [2021-07-10 15:30:41,240 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 228 [2021-07-10 15:30:41,878 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 438 [2021-07-10 15:30:42,947 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 245 [2021-07-10 15:30:43,182 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 307 [2021-07-10 15:30:43,767 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 252 [2021-07-10 15:30:44,295 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 318 [2021-07-10 15:30:44,823 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 459 [2021-07-10 15:30:45,491 WARN L205 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 514 [2021-07-10 15:30:46,089 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 338 [2021-07-10 15:30:47,117 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 701 DAG size of output: 702 [2021-07-10 15:30:48,251 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 260 [2021-07-10 15:30:49,110 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 274 [2021-07-10 15:30:49,545 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 405 [2021-07-10 15:30:50,098 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 460 [2021-07-10 15:30:50,713 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 338 [2021-07-10 15:30:51,587 WARN L205 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 635 [2021-07-10 15:30:52,691 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 659 DAG size of output: 679 [2021-07-10 15:30:55,109 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 937 DAG size of output: 1011 [2021-07-10 15:30:55,605 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 190 [2021-07-10 15:30:56,097 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 292 [2021-07-10 15:30:56,646 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 385 [2021-07-10 15:30:57,756 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2021-07-10 15:30:58,040 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 316 [2021-07-10 15:30:58,668 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 408 [2021-07-10 15:30:59,639 WARN L205 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 569 [2021-07-10 15:31:02,952 WARN L205 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 1202 DAG size of output: 1222 [2021-07-10 15:31:03,299 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 376 [2021-07-10 15:31:03,554 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 363 [2021-07-10 15:31:03,795 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 418 [2021-07-10 15:31:03,898 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 346 [2021-07-10 15:31:04,119 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 373 [2021-07-10 15:31:04,751 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 292 [2021-07-10 15:31:04,987 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 331 [2021-07-10 15:31:05,934 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 282 [2021-07-10 15:31:06,331 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 431 [2021-07-10 15:31:06,553 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 394 [2021-07-10 15:31:07,470 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 280 [2021-07-10 15:31:08,486 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 278 [2021-07-10 15:31:08,682 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 315 [2021-07-10 15:31:09,046 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 414 [2021-07-10 15:31:09,891 WARN L205 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 627 [2021-07-10 15:31:10,101 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 361 [2021-07-10 15:31:10,311 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 392 [2021-07-10 15:31:11,269 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 280 [2021-07-10 15:31:11,461 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 315 [2021-07-10 15:31:12,349 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 278 [2021-07-10 15:31:12,703 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 411 [2021-07-10 15:31:12,930 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 416 [2021-07-10 15:31:13,846 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 280 [2021-07-10 15:31:14,155 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 371 [2021-07-10 15:31:14,773 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 293 [2021-07-10 15:31:15,004 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 330 [2021-07-10 15:31:15,386 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 430 [2021-07-10 15:31:16,233 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 865 DAG size of output: 624 [2021-07-10 15:31:18,128 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 1154 DAG size of output: 777 [2021-07-10 15:31:20,590 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 1272 DAG size of output: 894 [2021-07-10 15:31:27,277 WARN L205 SmtUtils]: Spent 6.68 s on a formula simplification. DAG size of input: 2242 DAG size of output: 1906 [2021-07-10 15:31:27,745 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 436 [2021-07-10 15:31:28,074 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 374 [2021-07-10 15:31:28,315 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 359 [2021-07-10 15:31:28,534 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 414 [2021-07-10 15:31:28,835 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 369 [2021-07-10 15:31:29,448 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 293 [2021-07-10 15:31:29,674 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 328 [2021-07-10 15:31:30,579 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 277 [2021-07-10 15:31:30,961 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 427 [2021-07-10 15:31:31,164 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 390 [2021-07-10 15:31:32,037 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 276 [2021-07-10 15:31:32,965 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 280 [2021-07-10 15:31:33,154 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 313 [2021-07-10 15:31:33,536 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 409 [2021-07-10 15:31:34,380 WARN L205 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 862 DAG size of output: 621 [2021-07-10 15:31:34,592 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 361 [2021-07-10 15:31:34,824 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 416 [2021-07-10 15:31:35,582 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 240 [2021-07-10 15:31:35,730 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 279 [2021-07-10 15:31:36,044 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 371 [2021-07-10 15:31:36,661 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 293 [2021-07-10 15:31:36,896 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 330 [2021-07-10 15:31:37,283 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 429 [2021-07-10 15:31:37,508 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 392 [2021-07-10 15:31:38,494 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 280 [2021-07-10 15:31:38,680 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 315 [2021-07-10 15:31:39,591 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 278 [2021-07-10 15:31:39,962 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 411 [2021-07-10 15:31:40,837 WARN L205 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 865 DAG size of output: 623 [2021-07-10 15:31:42,735 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 1157 DAG size of output: 759 [2021-07-10 15:31:45,173 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 1275 DAG size of output: 876 [2021-07-10 15:31:45,697 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 183 [2021-07-10 15:31:46,162 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 285 [2021-07-10 15:31:46,683 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 380 [2021-07-10 15:31:47,988 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 253 [2021-07-10 15:31:48,274 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 304 [2021-07-10 15:31:48,731 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 399 [2021-07-10 15:31:49,787 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 509 DAG size of output: 560 [2021-07-10 15:31:50,776 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 203 [2021-07-10 15:31:51,454 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 269 [2021-07-10 15:31:52,351 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 199 [2021-07-10 15:31:52,622 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 265 [2021-07-10 15:31:53,052 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2021-07-10 15:31:53,600 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 446 [2021-07-10 15:31:54,151 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 329 [2021-07-10 15:31:55,007 WARN L205 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 623 [2021-07-10 15:31:56,089 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 671 DAG size of output: 675 [2021-07-10 15:31:57,103 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2021-07-10 15:31:57,341 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 307 [2021-07-10 15:31:57,871 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 241 [2021-07-10 15:31:58,493 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 300 [2021-07-10 15:31:59,022 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 431 [2021-07-10 15:31:59,701 WARN L205 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 484 [2021-07-10 15:32:00,238 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 329 [2021-07-10 15:32:01,259 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 703 DAG size of output: 681 [2021-07-10 15:32:03,680 WARN L205 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 960 DAG size of output: 1007 [2021-07-10 15:32:07,016 WARN L205 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 1227 DAG size of output: 1204 [2021-07-10 15:32:13,750 WARN L205 SmtUtils]: Spent 6.73 s on a formula simplification. DAG size of input: 2273 DAG size of output: 1873 [2021-07-10 15:32:28,472 WARN L205 SmtUtils]: Spent 14.71 s on a formula simplification. DAG size of input: 3626 DAG size of output: 3012 [2021-07-10 15:32:45,416 WARN L205 SmtUtils]: Spent 16.92 s on a formula simplification. DAG size of input: 3733 DAG size of output: 3114 [2021-07-10 15:33:04,992 WARN L205 SmtUtils]: Spent 19.56 s on a formula simplification. DAG size of input: 3858 DAG size of output: 3216 [2021-07-10 15:33:57,790 WARN L205 SmtUtils]: Spent 52.77 s on a formula simplification. DAG size of input: 8350 DAG size of output: 6493 [2021-07-10 15:34:00,484 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 765 DAG size of output: 1165 [2021-07-10 15:34:01,536 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 762 DAG size of output: 801 [2021-07-10 15:34:04,188 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 760 DAG size of output: 1013 [2021-07-10 15:34:06,338 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 753 DAG size of output: 864 [2021-07-10 15:34:07,799 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 283 [2021-07-10 15:34:08,668 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 261 [2021-07-10 15:34:09,068 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 383 [2021-07-10 15:34:09,205 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 242 [2021-07-10 15:34:09,928 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 259 [2021-07-10 15:34:10,039 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 255 [2021-07-10 15:34:10,988 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 284 [2021-07-10 15:34:11,385 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 381 [2021-07-10 15:34:12,293 WARN L205 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 547 [2021-07-10 15:34:12,556 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 298 [2021-07-10 15:34:13,453 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 271 [2021-07-10 15:34:14,174 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2021-07-10 15:34:14,342 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 277 [2021-07-10 15:34:14,699 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 395 [2021-07-10 15:34:15,278 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 478 [2021-07-10 15:34:16,132 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 234 [2021-07-10 15:34:16,308 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 288 [2021-07-10 15:34:16,956 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2021-07-10 15:34:17,120 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 253 [2021-07-10 15:34:17,548 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 402 [2021-07-10 15:34:18,199 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 471 [2021-07-10 15:34:19,331 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 795 DAG size of output: 747 [2021-07-10 15:34:20,728 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 828 DAG size of output: 750 [2021-07-10 15:34:21,544 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 219 [2021-07-10 15:34:21,745 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 256 [2021-07-10 15:34:22,698 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 213 [2021-07-10 15:34:23,102 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 352 [2021-07-10 15:34:23,642 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 423 [2021-07-10 15:34:24,313 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 238 [2021-07-10 15:34:24,478 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 288 [2021-07-10 15:34:25,035 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 333 [2021-07-10 15:34:25,278 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 271 [2021-07-10 15:34:25,638 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 255 [2021-07-10 15:34:25,837 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 284 [2021-07-10 15:34:26,471 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 338 [2021-07-10 15:34:27,036 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 451 [2021-07-10 15:34:28,275 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 728 DAG size of output: 652 [2021-07-10 15:34:31,234 WARN L205 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1113 [2021-07-10 15:34:34,511 WARN L205 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 1618 DAG size of output: 1151 [2021-07-10 15:34:38,159 WARN L205 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 1690 DAG size of output: 1217 [2021-07-10 15:34:39,630 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 265 [2021-07-10 15:34:40,341 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 231 [2021-07-10 15:34:40,709 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 365 [2021-07-10 15:34:41,240 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 468 [2021-07-10 15:34:41,874 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 489 [2021-07-10 15:34:42,685 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 292 [2021-07-10 15:34:43,289 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 240 [2021-07-10 15:34:43,434 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 274 [2021-07-10 15:34:43,758 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 396 [2021-07-10 15:34:44,465 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 242 [2021-07-10 15:34:44,617 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 280 [2021-07-10 15:34:45,200 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 232 [2021-07-10 15:34:45,387 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 294 [2021-07-10 15:34:45,727 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 402 [2021-07-10 15:34:46,487 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 550 [2021-07-10 15:34:48,113 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 842 DAG size of output: 808 [2021-07-10 15:34:49,386 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 305 [2021-07-10 15:34:50,576 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 301 [2021-07-10 15:34:51,029 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 388 [2021-07-10 15:34:52,022 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 198 [2021-07-10 15:34:52,265 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 257 [2021-07-10 15:34:52,708 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 311 [2021-07-10 15:34:53,670 WARN L205 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 545 [2021-07-10 15:34:55,896 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 1181 DAG size of output: 920 [2021-07-10 15:34:58,457 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 1221 DAG size of output: 955 [2021-07-10 15:35:05,751 WARN L205 SmtUtils]: Spent 7.29 s on a formula simplification. DAG size of input: 2494 DAG size of output: 1879 [2021-07-10 15:35:15,128 WARN L205 SmtUtils]: Spent 9.36 s on a formula simplification. DAG size of input: 2870 DAG size of output: 2341 [2021-07-10 15:35:15,717 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 406 [2021-07-10 15:35:16,134 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 423 [2021-07-10 15:35:17,033 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 237 [2021-07-10 15:35:17,237 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 278 [2021-07-10 15:35:17,829 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 337 [2021-07-10 15:35:18,275 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 219 [2021-07-10 15:35:18,995 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 250 [2021-07-10 15:35:19,224 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 290 [2021-07-10 15:35:19,535 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 355 [2021-07-10 15:35:20,229 WARN L205 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 442 [2021-07-10 15:35:21,145 WARN L205 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 548 [2021-07-10 15:35:21,481 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 311 [2021-07-10 15:35:22,051 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 279 [2021-07-10 15:35:22,199 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 304 [2021-07-10 15:35:22,469 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 377 [2021-07-10 15:35:23,024 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 269 [2021-07-10 15:35:23,196 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 292 [2021-07-10 15:35:23,639 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 467 [2021-07-10 15:35:24,844 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 356 [2021-07-10 15:35:25,159 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 432 [2021-07-10 15:35:25,547 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 454 [2021-07-10 15:35:26,481 WARN L205 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 704 DAG size of output: 669 [2021-07-10 15:35:28,639 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 993 DAG size of output: 928 [2021-07-10 15:35:29,997 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 263 [2021-07-10 15:35:30,245 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 314 [2021-07-10 15:35:30,714 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 222 [2021-07-10 15:35:31,255 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 265 [2021-07-10 15:35:31,537 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 348 [2021-07-10 15:35:32,139 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 459 [2021-07-10 15:35:32,956 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 579 [2021-07-10 15:35:33,581 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 275 [2021-07-10 15:35:34,245 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 356 [2021-07-10 15:35:34,585 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 383 [2021-07-10 15:35:35,192 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 259 [2021-07-10 15:35:35,368 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 285 [2021-07-10 15:35:35,969 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 480 [2021-07-10 15:35:36,965 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 593 [2021-07-10 15:35:37,994 WARN L205 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 617 [2021-07-10 15:35:40,055 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 870 DAG size of output: 884 [2021-07-10 15:35:44,678 WARN L205 SmtUtils]: Spent 4.62 s on a formula simplification. DAG size of input: 1534 DAG size of output: 1523 [2021-07-10 15:35:50,324 WARN L205 SmtUtils]: Spent 5.64 s on a formula simplification. DAG size of input: 1662 DAG size of output: 1666 [2021-07-10 15:35:51,428 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 254 [2021-07-10 15:35:51,709 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 330 [2021-07-10 15:35:52,128 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 415 [2021-07-10 15:35:53,196 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 260 [2021-07-10 15:35:53,486 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 329 [2021-07-10 15:35:53,907 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 422 [2021-07-10 15:35:54,929 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 482 DAG size of output: 559 [2021-07-10 15:36:01,237 WARN L205 SmtUtils]: Spent 6.30 s on a formula simplification. DAG size of input: 1894 DAG size of output: 1719 [2021-07-10 15:36:01,807 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2021-07-10 15:36:09,239 WARN L205 SmtUtils]: Spent 7.43 s on a formula simplification. DAG size of input: 2009 DAG size of output: 1825 [2021-07-10 15:36:10,015 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 467 [2021-07-10 15:36:10,713 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 224 [2021-07-10 15:36:10,858 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 263 [2021-07-10 15:36:11,345 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 219 [2021-07-10 15:36:11,677 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 338 [2021-07-10 15:36:12,348 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 445 [2021-07-10 15:36:13,172 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2021-07-10 15:36:13,329 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2021-07-10 15:36:13,838 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 223 [2021-07-10 15:36:14,185 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 345 [2021-07-10 15:36:14,700 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 466 [2021-07-10 15:36:15,810 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 692 DAG size of output: 688 [2021-07-10 15:36:16,066 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 272 [2021-07-10 15:36:16,604 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 272 [2021-07-10 15:36:16,809 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 327 [2021-07-10 15:36:17,414 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 391 [2021-07-10 15:36:17,907 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 241 [2021-07-10 15:36:18,022 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 277 [2021-07-10 15:36:18,679 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 328 [2021-07-10 15:36:18,982 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 392 [2021-07-10 15:36:19,652 WARN L205 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 542 [2021-07-10 15:36:19,921 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 279 [2021-07-10 15:36:20,609 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 330 [2021-07-10 15:36:21,059 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 243 [2021-07-10 15:36:21,372 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 394 [2021-07-10 15:36:21,545 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 274 [2021-07-10 15:36:22,089 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 274 [2021-07-10 15:36:22,309 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 329 [2021-07-10 15:36:22,921 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 395 [2021-07-10 15:36:23,617 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 546 [2021-07-10 15:36:25,170 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 816 DAG size of output: 763 [2021-07-10 15:36:28,300 WARN L205 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 1175 DAG size of output: 1122 [2021-07-10 15:36:28,530 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 302 [2021-07-10 15:36:29,459 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 255 [2021-07-10 15:36:29,734 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 319 [2021-07-10 15:36:30,211 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 206 [2021-07-10 15:36:30,318 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 245 [2021-07-10 15:36:30,721 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 242 [2021-07-10 15:36:30,991 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 322 [2021-07-10 15:36:31,615 WARN L205 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 500 [2021-07-10 15:36:31,805 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 300 [2021-07-10 15:36:32,373 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 299 [2021-07-10 15:36:32,861 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 238 [2021-07-10 15:36:33,123 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 291 [2021-07-10 15:36:33,505 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 361 [2021-07-10 15:36:33,972 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 204 [2021-07-10 15:36:34,453 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 240 [2021-07-10 15:36:34,726 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 320 [2021-07-10 15:36:35,464 WARN L205 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 515 [2021-07-10 15:36:37,012 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 700 DAG size of output: 716 [2021-07-10 15:36:41,755 WARN L205 SmtUtils]: Spent 4.74 s on a formula simplification. DAG size of input: 1678 DAG size of output: 1384 [2021-07-10 15:36:47,697 WARN L205 SmtUtils]: Spent 5.93 s on a formula simplification. DAG size of input: 1840 DAG size of output: 1603 [2021-07-10 15:36:54,685 WARN L205 SmtUtils]: Spent 6.98 s on a formula simplification. DAG size of input: 1907 DAG size of output: 1662 Received shutdown request... [2021-07-10 15:37:11,287 WARN L205 SmtUtils]: Spent 16.59 s on a formula simplification. DAG size of input: 3341 DAG size of output: 3040 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown