/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-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 03:44:23,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 03:44:23,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 03:44:23,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 03:44:23,956 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-NewStatesSleep-NoLbe-Random42.epf [2021-06-14 03:44:24,009 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 03:44:24,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 03:44:24,010 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 03:44:24,010 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 03:44:24,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 03:44:24,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 03:44:24,013 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 03:44:24,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 03:44:24,013 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 03:44:24,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 03:44:24,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 03:44:24,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 03:44:24,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 03:44:24,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 03:44:24,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 03:44:24,015 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 03:44:24,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 03:44:24,015 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 03:44:24,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 03:44:24,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 03:44:24,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 03:44:24,016 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 03:44:24,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 03:44:24,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 03:44:24,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 03:44:24,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 03:44:24,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 03:44:24,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 03:44:24,017 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-14 03:44:24,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 03:44:24,017 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 03:44:24,018 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 03:44:24,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 03:44:24,018 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-14 03:44:24,018 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-14 03:44:24,019 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 03:44:24,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 03:44:24,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 03:44:24,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 03:44:24,355 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 03:44:24,356 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 03:44:24,357 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl [2021-06-14 03:44:24,357 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl' [2021-06-14 03:44:24,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 03:44:24,385 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 03:44:24,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 03:44:24,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 03:44:24,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 03:44:24,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:44:24" (1/1) ... [2021-06-14 03:44:24,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:44:24" (1/1) ... [2021-06-14 03:44:24,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 03:44:24,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 03:44:24,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 03:44:24,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 03:44:24,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:44:24" (1/1) ... [2021-06-14 03:44:24,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:44:24" (1/1) ... [2021-06-14 03:44:24,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:44:24" (1/1) ... [2021-06-14 03:44:24,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:44:24" (1/1) ... [2021-06-14 03:44:24,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:44:24" (1/1) ... [2021-06-14 03:44:24,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:44:24" (1/1) ... [2021-06-14 03:44:24,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:44:24" (1/1) ... [2021-06-14 03:44:24,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 03:44:24,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 03:44:24,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 03:44:24,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 03:44:24,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:44:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 03:44:24,520 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-14 03:44:24,520 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-14 03:44:24,520 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-14 03:44:24,521 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-14 03:44:24,521 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-14 03:44:24,521 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-14 03:44:24,521 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 03:44:24,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 03:44:24,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 03:44:24,522 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 03:44:24,786 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 03:44:24,786 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-14 03:44:24,787 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-14 03:44:24,787 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-14 03:44:24,789 INFO L202 PluginConnector]: Adding new model unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 03:44:24 BoogieIcfgContainer [2021-06-14 03:44:24,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 03:44:24,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 03:44:24,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 03:44:24,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 03:44:24,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:44:24" (1/2) ... [2021-06-14 03:44:24,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a5cb759 and model type unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 03:44:24, skipping insertion in model container [2021-06-14 03:44:24,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 03:44:24" (2/2) ... [2021-06-14 03:44:24,795 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.bpl [2021-06-14 03:44:24,799 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 03:44:24,800 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 03:44:24,800 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 03:44:24,801 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 03:44:24,843 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-14 03:44:24,862 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 03:44:24,908 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 03:44:24,909 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 03:44:24,909 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 03:44:24,909 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 03:44:24,909 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 03:44:24,909 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 03:44:24,909 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 03:44:24,910 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 03:44:24,934 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:44:24,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:44:24,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1694861722, now seen corresponding path program 1 times [2021-06-14 03:44:24,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:44:24,947 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489345698] [2021-06-14 03:44:24,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:44:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:44:25,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:25,105 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:44:25,105 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489345698] [2021-06-14 03:44:25,106 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489345698] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:44:25,107 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:44:25,107 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-14 03:44:25,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458529593] [2021-06-14 03:44:25,113 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 03:44:25,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:44:25,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 03:44:25,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 03:44:25,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:25,134 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:44:25,136 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:44:25,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:25,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:25,177 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 03:44:25,177 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:44:25,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:44:25,178 INFO L82 PathProgramCache]: Analyzing trace with hash -978034129, now seen corresponding path program 1 times [2021-06-14 03:44:25,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:44:25,178 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091222602] [2021-06-14 03:44:25,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:44:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:44:25,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:25,228 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:44:25,228 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091222602] [2021-06-14 03:44:25,229 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091222602] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:44:25,229 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:44:25,229 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 03:44:25,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488040652] [2021-06-14 03:44:25,230 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-14 03:44:25,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:44:25,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-14 03:44:25,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-14 03:44:25,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:25,234 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:44:25,234 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) [2021-06-14 03:44:25,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:25,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:25,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:25,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:25,286 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-14 03:44:25,286 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:44:25,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:44:25,287 INFO L82 PathProgramCache]: Analyzing trace with hash 658584646, now seen corresponding path program 1 times [2021-06-14 03:44:25,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:44:25,288 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316397217] [2021-06-14 03:44:25,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:44:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:44:25,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:25,338 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:44:25,338 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316397217] [2021-06-14 03:44:25,338 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316397217] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:25,338 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078196038] [2021-06-14 03:44:25,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:44:25,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-14 03:44:25,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:44:25,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:25,464 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078196038] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:25,464 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:44:25,464 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-14 03:44:25,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244371201] [2021-06-14 03:44:25,465 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-14 03:44:25,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:44:25,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-14 03:44:25,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-14 03:44:25,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:25,467 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:44:25,467 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:44:25,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:25,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:25,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:25,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:25,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:25,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:25,720 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:25,722 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:44:25,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:44:25,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1035640753, now seen corresponding path program 1 times [2021-06-14 03:44:25,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:44:25,723 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543951872] [2021-06-14 03:44:25,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:44:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:44:25,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 03:44:25,767 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:44:25,767 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543951872] [2021-06-14 03:44:25,767 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543951872] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:25,767 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201652140] [2021-06-14 03:44:25,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:44:25,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-14 03:44:25,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:44:25,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 03:44:25,855 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201652140] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:25,855 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:44:25,855 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-14 03:44:25,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515838452] [2021-06-14 03:44:25,855 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-14 03:44:25,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:44:25,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-14 03:44:25,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-14 03:44:25,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:25,856 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:44:25,856 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:44:25,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:25,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:25,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:25,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:25,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:26,097 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:26,097 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:44:26,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:44:26,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1473521199, now seen corresponding path program 2 times [2021-06-14 03:44:26,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:44:26,098 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467976557] [2021-06-14 03:44:26,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:44:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:44:26,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:26,127 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:44:26,127 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467976557] [2021-06-14 03:44:26,127 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467976557] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:26,127 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954463716] [2021-06-14 03:44:26,128 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:26,156 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 03:44:26,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:44:26,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-14 03:44:26,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:44:26,310 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:44:26,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-06-14 03:44:26,317 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:44:26,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:44:26,320 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:44:26,321 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-06-14 03:44:26,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:26,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954463716] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:26,328 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:44:26,328 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2021-06-14 03:44:26,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133279916] [2021-06-14 03:44:26,328 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-14 03:44:26,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:44:26,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-14 03:44:26,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-14 03:44:26,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:26,329 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:44:26,330 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:44:26,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:26,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:26,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:26,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:26,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:26,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:26,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:26,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:26,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:26,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:26,560 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:26,561 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:44:26,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:44:26,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1542411386, now seen corresponding path program 3 times [2021-06-14 03:44:26,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:44:26,562 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288322531] [2021-06-14 03:44:26,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:44:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:44:26,628 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:26,630 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:44:26,630 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288322531] [2021-06-14 03:44:26,630 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288322531] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:26,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13025103] [2021-06-14 03:44:26,633 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:26,670 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-14 03:44:26,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:44:26,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-14 03:44:26,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:44:26,737 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:26,737 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13025103] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:26,738 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:44:26,738 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-06-14 03:44:26,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161787400] [2021-06-14 03:44:26,739 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-14 03:44:26,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:44:26,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-14 03:44:26,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-06-14 03:44:26,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:26,740 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:44:26,740 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:44:26,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:26,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:26,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:26,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:26,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:26,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:26,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:26,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:26,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:26,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:26,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:26,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:44:27,028 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-14 03:44:27,029 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:44:27,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:44:27,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1948130383, now seen corresponding path program 4 times [2021-06-14 03:44:27,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:44:27,030 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350663464] [2021-06-14 03:44:27,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:44:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:44:27,097 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:27,097 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:44:27,097 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350663464] [2021-06-14 03:44:27,098 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350663464] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:27,098 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480015232] [2021-06-14 03:44:27,098 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:27,124 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 03:44:27,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:44:27,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-14 03:44:27,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:44:27,183 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:27,184 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480015232] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:27,184 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:44:27,184 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-06-14 03:44:27,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039851649] [2021-06-14 03:44:27,185 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-14 03:44:27,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:44:27,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-14 03:44:27,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-06-14 03:44:27,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:27,186 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:44:27,186 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:44:27,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:27,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:27,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:27,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:27,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:27,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:44:27,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:27,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:27,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:27,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:27,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:27,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:27,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:44:27,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:27,472 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:27,473 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:44:27,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:44:27,473 INFO L82 PathProgramCache]: Analyzing trace with hash 285571430, now seen corresponding path program 5 times [2021-06-14 03:44:27,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:44:27,473 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740298410] [2021-06-14 03:44:27,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:44:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:44:27,524 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 03:44:27,525 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:44:27,525 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740298410] [2021-06-14 03:44:27,525 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740298410] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:27,525 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620015382] [2021-06-14 03:44:27,525 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:27,560 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-14 03:44:27,560 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:44:27,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-14 03:44:27,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:44:27,616 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 03:44:27,617 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620015382] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:27,617 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:44:27,617 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-14 03:44:27,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792953548] [2021-06-14 03:44:27,617 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-14 03:44:27,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:44:27,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-14 03:44:27,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-06-14 03:44:27,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:27,620 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:44:27,620 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:44:27,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:27,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:27,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:27,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:27,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:27,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:44:27,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:27,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:27,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:27,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:27,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:27,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:27,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:27,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:44:27,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:27,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:27,910 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:27,910 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:44:27,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:44:27,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1118463878, now seen corresponding path program 6 times [2021-06-14 03:44:27,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:44:27,911 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008701257] [2021-06-14 03:44:27,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:44:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:44:27,963 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:27,963 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:44:27,963 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008701257] [2021-06-14 03:44:27,963 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008701257] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:27,963 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118945225] [2021-06-14 03:44:27,963 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:28,008 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-14 03:44:28,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:44:28,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-14 03:44:28,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:44:28,168 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:44:28,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-06-14 03:44:28,227 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:44:28,229 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:44:28,229 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:44:28,229 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-06-14 03:44:28,237 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:28,237 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118945225] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:28,237 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:44:28,237 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 12 [2021-06-14 03:44:28,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400757138] [2021-06-14 03:44:28,238 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-14 03:44:28,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:44:28,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-14 03:44:28,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-06-14 03:44:28,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:28,239 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:44:28,239 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 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) [2021-06-14 03:44:28,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:28,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:28,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:28,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:28,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:28,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:44:28,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:28,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:28,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:28,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:28,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:28,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:28,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:28,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:28,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:44:28,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:28,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:28,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:44:28,500 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-06-14 03:44:28,500 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:44:28,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:44:28,500 INFO L82 PathProgramCache]: Analyzing trace with hash 335713551, now seen corresponding path program 7 times [2021-06-14 03:44:28,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:44:28,501 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135736057] [2021-06-14 03:44:28,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:44:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:44:28,577 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:28,577 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:44:28,577 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135736057] [2021-06-14 03:44:28,577 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135736057] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:28,577 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084085961] [2021-06-14 03:44:28,577 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:44:28,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-14 03:44:28,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:44:28,688 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:28,688 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084085961] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:28,689 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:44:28,689 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-06-14 03:44:28,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183330224] [2021-06-14 03:44:28,689 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-14 03:44:28,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:44:28,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-14 03:44:28,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-06-14 03:44:28,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:28,690 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:44:28,690 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) [2021-06-14 03:44:28,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:28,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:28,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:28,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:28,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:28,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:44:28,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:28,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:28,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:44:28,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:44:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:44:28,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:44:29,018 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:29,018 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:44:29,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:44:29,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1580915834, now seen corresponding path program 8 times [2021-06-14 03:44:29,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:44:29,019 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70076041] [2021-06-14 03:44:29,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:44:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:44:29,106 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:29,107 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:44:29,107 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70076041] [2021-06-14 03:44:29,107 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70076041] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:29,107 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148659661] [2021-06-14 03:44:29,107 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:29,150 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 03:44:29,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:44:29,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-14 03:44:29,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:44:29,231 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:29,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148659661] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:29,231 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:44:29,231 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-06-14 03:44:29,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887004346] [2021-06-14 03:44:29,233 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-14 03:44:29,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:44:29,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-14 03:44:29,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-06-14 03:44:29,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:29,234 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:44:29,234 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:44:29,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:29,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:29,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:29,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:29,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:29,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:44:29,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:29,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:29,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:44:29,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:44:29,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:29,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:29,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:29,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:29,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:29,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:29,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:44:29,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:29,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:29,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:44:29,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:44:29,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:44:29,576 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:29,577 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:44:29,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:44:29,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1740678897, now seen corresponding path program 9 times [2021-06-14 03:44:29,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:44:29,577 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951134716] [2021-06-14 03:44:29,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:44:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:44:29,653 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:29,653 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:44:29,653 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951134716] [2021-06-14 03:44:29,653 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951134716] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:29,653 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465606358] [2021-06-14 03:44:29,653 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:29,693 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-14 03:44:29,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:44:29,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-14 03:44:29,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:44:29,934 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:44:29,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-06-14 03:44:30,301 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:44:30,303 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:44:30,303 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:44:30,304 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-06-14 03:44:30,310 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:30,310 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465606358] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:30,310 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:44:30,310 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-06-14 03:44:30,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672662536] [2021-06-14 03:44:30,311 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-14 03:44:30,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:44:30,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-14 03:44:30,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-06-14 03:44:30,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:30,312 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:44:30,312 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 17 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:44:30,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:30,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:30,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:30,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:30,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:30,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:44:30,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:30,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:30,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:44:30,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:44:30,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:44:30,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:30,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:30,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:30,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:30,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:30,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:30,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:44:30,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:30,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:30,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:44:30,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:44:30,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:44:30,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:44:30,636 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-06-14 03:44:30,636 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:44:30,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:44:30,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1896600742, now seen corresponding path program 10 times [2021-06-14 03:44:30,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:44:30,637 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316665671] [2021-06-14 03:44:30,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:44:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:44:30,743 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:30,744 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:44:30,744 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316665671] [2021-06-14 03:44:30,744 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316665671] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:30,744 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099674999] [2021-06-14 03:44:30,744 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:30,783 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 03:44:30,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:44:30,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-14 03:44:30,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:44:30,844 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:30,844 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099674999] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:30,844 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:44:30,844 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-06-14 03:44:30,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420090752] [2021-06-14 03:44:30,846 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-14 03:44:30,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:44:30,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-14 03:44:30,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-06-14 03:44:30,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:30,847 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:44:30,847 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:44:30,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:30,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:30,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:30,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:30,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:30,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:44:30,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:30,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:30,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:44:30,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:44:30,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:44:30,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:44:30,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:30,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:30,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:30,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:30,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:30,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:30,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:44:30,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:30,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:30,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:44:30,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:44:30,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:44:30,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:44:30,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:44:31,220 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:31,220 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:44:31,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:44:31,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1937782575, now seen corresponding path program 11 times [2021-06-14 03:44:31,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:44:31,221 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199447393] [2021-06-14 03:44:31,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:44:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:44:31,307 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:31,307 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:44:31,307 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199447393] [2021-06-14 03:44:31,307 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199447393] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:31,307 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187396720] [2021-06-14 03:44:31,307 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:31,340 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-14 03:44:31,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:44:31,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-14 03:44:31,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:44:31,412 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 21 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:31,413 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187396720] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:31,413 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:44:31,413 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-06-14 03:44:31,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7954917] [2021-06-14 03:44:31,414 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-14 03:44:31,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:44:31,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-14 03:44:31,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-06-14 03:44:31,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:31,414 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:44:31,415 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:44:31,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:31,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:31,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:31,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:31,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:31,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:44:31,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:31,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:31,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:44:31,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:44:31,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:44:31,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:44:31,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:44:31,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:31,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:31,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:31,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:31,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:31,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:31,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:44:31,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:31,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:31,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:44:31,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:44:31,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:44:31,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:44:31,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:44:31,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:44:31,812 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-06-14 03:44:31,813 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:44:31,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:44:31,813 INFO L82 PathProgramCache]: Analyzing trace with hash -35210618, now seen corresponding path program 12 times [2021-06-14 03:44:31,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:44:31,813 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620286020] [2021-06-14 03:44:31,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:44:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:44:31,891 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-06-14 03:44:31,891 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:44:31,891 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620286020] [2021-06-14 03:44:31,892 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620286020] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:31,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723004925] [2021-06-14 03:44:31,892 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:31,934 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-14 03:44:31,935 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:44:31,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-14 03:44:31,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:44:32,026 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-14 03:44:32,026 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723004925] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:32,026 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:44:32,026 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2021-06-14 03:44:32,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189448947] [2021-06-14 03:44:32,027 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-14 03:44:32,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:44:32,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-14 03:44:32,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-06-14 03:44:32,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:32,027 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:44:32,028 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:44:32,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:32,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:32,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:32,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:32,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:32,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:44:32,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:32,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:32,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:44:32,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:44:32,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:44:32,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:44:32,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:44:32,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:44:32,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:32,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:32,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:32,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:32,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:32,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:32,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:44:32,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:32,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:32,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:44:32,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:44:32,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:44:32,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:44:32,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:44:32,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:44:32,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:44:32,348 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:32,348 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:44:32,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:44:32,348 INFO L82 PathProgramCache]: Analyzing trace with hash 208179366, now seen corresponding path program 13 times [2021-06-14 03:44:32,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:44:32,349 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144582181] [2021-06-14 03:44:32,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:44:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:44:32,430 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:32,430 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:44:32,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144582181] [2021-06-14 03:44:32,430 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144582181] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:32,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161151113] [2021-06-14 03:44:32,430 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:44:32,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-14 03:44:32,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:44:32,826 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-14 03:44:32,827 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:44:32,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-06-14 03:44:33,691 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 220 [2021-06-14 03:44:33,802 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 171 [2021-06-14 03:44:33,914 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 162 [2021-06-14 03:44:34,990 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 228 [2021-06-14 03:44:35,124 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 228 [2021-06-14 03:44:35,258 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 233 [2021-06-14 03:44:35,420 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 221 [2021-06-14 03:44:36,049 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:44:36,051 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:44:36,051 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:44:36,051 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-06-14 03:44:36,058 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:36,058 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161151113] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:36,058 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:44:36,058 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 22 [2021-06-14 03:44:36,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545039563] [2021-06-14 03:44:36,059 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-14 03:44:36,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:44:36,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-14 03:44:36,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2021-06-14 03:44:36,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:36,060 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:44:36,060 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.608695652173913) internal successors, (37), 22 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:44:36,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:36,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:36,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:36,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:36,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:36,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:44:36,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:36,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:36,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:44:36,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:44:36,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:44:36,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:44:36,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:44:36,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:44:36,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:44:36,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:44:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:44:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:44:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:44:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:44:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:44:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:44:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:44:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 03:44:36,406 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2021-06-14 03:44:36,406 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:44:36,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:44:36,407 INFO L82 PathProgramCache]: Analyzing trace with hash -2113302545, now seen corresponding path program 14 times [2021-06-14 03:44:36,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:44:36,407 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924360160] [2021-06-14 03:44:36,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:44:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:44:36,527 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 15 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:36,527 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:44:36,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924360160] [2021-06-14 03:44:36,528 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924360160] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:36,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750103201] [2021-06-14 03:44:36,528 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:36,570 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 03:44:36,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:44:36,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-14 03:44:36,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:44:36,634 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 15 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:36,634 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750103201] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:36,634 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:44:36,634 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2021-06-14 03:44:36,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702139927] [2021-06-14 03:44:36,636 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-14 03:44:36,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:44:36,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-14 03:44:36,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-06-14 03:44:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:36,637 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:44:36,637 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) [2021-06-14 03:44:36,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:36,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:36,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:36,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:36,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:36,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:44:36,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:36,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:36,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:44:36,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:44:36,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:44:36,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:44:36,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:44:36,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:44:36,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:44:36,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 03:44:36,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:36,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:36,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:36,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:36,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:36,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:36,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:44:36,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:36,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:36,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:44:36,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:44:36,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:44:36,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:44:36,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:44:36,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:44:36,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:44:36,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 03:44:36,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 03:44:37,060 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable318,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:37,061 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:44:37,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:44:37,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1132874918, now seen corresponding path program 15 times [2021-06-14 03:44:37,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:44:37,061 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108237745] [2021-06-14 03:44:37,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:44:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:44:37,188 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:37,189 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:44:37,189 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108237745] [2021-06-14 03:44:37,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108237745] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:37,189 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079447049] [2021-06-14 03:44:37,189 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:44:37,230 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-14 03:44:37,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:44:37,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-14 03:44:37,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:44:37,304 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:37,304 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079447049] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:37,304 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:44:37,304 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-06-14 03:44:37,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277637738] [2021-06-14 03:44:37,305 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-14 03:44:37,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:44:37,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-14 03:44:37,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-06-14 03:44:37,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:37,305 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:44:37,305 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:44:37,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:37,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:37,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:37,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:37,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:37,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:44:37,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:37,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:37,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:44:37,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:44:37,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:44:37,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:44:37,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:44:37,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:44:37,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:44:37,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 03:44:37,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 03:44:37,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:44:37,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:44:37,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:44:37,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:37,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:44:37,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:44:37,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:44:37,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:37,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:44:37,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:44:37,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:44:37,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:44:37,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:44:37,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:44:37,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:44:37,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:44:37,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 03:44:37,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 03:44:37,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:44:37,745 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable319 [2021-06-14 03:44:37,745 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:44:37,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:44:37,745 INFO L82 PathProgramCache]: Analyzing trace with hash 782455791, now seen corresponding path program 16 times [2021-06-14 03:44:37,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:44:37,746 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134890057] [2021-06-14 03:44:37,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:44:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:44:37,859 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:44:37,859 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:44:37,859 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134890057] [2021-06-14 03:44:37,859 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134890057] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:44:37,859 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238429032] [2021-06-14 03:44:37,859 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 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 [2021-06-14 03:44:37,900 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 03:44:37,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:44:37,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-14 03:44:37,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:44:38,384 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-14 03:44:38,385 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:44:38,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-06-14 03:44:39,241 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 293 [2021-06-14 03:44:40,004 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 248 [2021-06-14 03:44:40,181 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 320 [2021-06-14 03:44:40,451 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 498 [2021-06-14 03:44:41,826 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 257 [2021-06-14 03:44:42,028 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 415 [2021-06-14 03:44:42,602 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 939 DAG size of output: 782 [2021-06-14 03:44:43,460 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 315 [2021-06-14 03:44:44,401 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 349 [2021-06-14 03:44:44,708 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 540 [2021-06-14 03:44:45,286 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 276 [2021-06-14 03:44:46,028 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 285 [2021-06-14 03:44:46,265 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 455 [2021-06-14 03:44:46,922 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 1014 DAG size of output: 886 [2021-06-14 03:44:48,295 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1836 DAG size of output: 1525 [2021-06-14 03:44:49,913 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 1855 DAG size of output: 1543 [2021-06-14 03:44:51,518 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1855 DAG size of output: 1543 [2021-06-14 03:44:53,385 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1870 DAG size of output: 1558 [2021-06-14 03:44:55,545 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 1560 DAG size of output: 1748 [2021-06-14 03:44:59,274 WARN L205 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 1559 DAG size of output: 2290 [2021-06-14 03:45:03,858 WARN L205 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 1442 DAG size of output: 1917 [2021-06-14 03:45:05,754 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1291 DAG size of output: 1558 [2021-06-14 03:45:08,690 WARN L205 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 1105 DAG size of output: 1455 [2021-06-14 03:45:08,930 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 880 DAG size of output: 880 [2021-06-14 03:45:09,665 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 276 [2021-06-14 03:45:09,820 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 327 [2021-06-14 03:45:10,640 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 232 [2021-06-14 03:45:11,248 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 255 [2021-06-14 03:45:11,492 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 394 [2021-06-14 03:45:11,806 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 435 [2021-06-14 03:45:12,407 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 683 [2021-06-14 03:45:12,582 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 263 [2021-06-14 03:45:12,711 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 261 [2021-06-14 03:45:13,526 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 270 [2021-06-14 03:45:13,714 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 321 [2021-06-14 03:45:14,702 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 293 [2021-06-14 03:45:14,879 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 322 [2021-06-14 03:45:15,339 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 901 DAG size of output: 576 [2021-06-14 03:45:16,600 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1454 DAG size of output: 1016 [2021-06-14 03:45:16,924 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 337 [2021-06-14 03:45:17,629 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 250 [2021-06-14 03:45:18,099 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 328 [2021-06-14 03:45:18,393 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 386 [2021-06-14 03:45:20,199 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 1852 DAG size of output: 1256 [2021-06-14 03:45:20,555 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 957 DAG size of output: 909 [2021-06-14 03:45:21,446 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 286 [2021-06-14 03:45:22,271 WARN L205 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 776 [2021-06-14 03:45:22,567 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 424 [2021-06-14 03:45:22,817 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 405 [2021-06-14 03:45:23,241 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 354 [2021-06-14 03:45:23,509 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 387 [2021-06-14 03:45:24,015 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 233 [2021-06-14 03:45:24,434 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 490 [2021-06-14 03:45:25,263 WARN L205 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 680 [2021-06-14 03:45:25,489 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 358 [2021-06-14 03:45:26,123 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 280 [2021-06-14 03:45:26,541 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 452 [2021-06-14 03:45:27,107 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 261 [2021-06-14 03:45:27,367 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 355 [2021-06-14 03:45:28,204 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 1165 DAG size of output: 736 [2021-06-14 03:45:29,316 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1539 DAG size of output: 903 [2021-06-14 03:45:32,775 WARN L205 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 3018 DAG size of output: 1874 [2021-06-14 03:45:36,081 WARN L205 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 1279 DAG size of output: 1716 [2021-06-14 03:45:36,448 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 1096 DAG size of output: 1060 [2021-06-14 03:45:37,332 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 257 [2021-06-14 03:45:37,567 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 362 [2021-06-14 03:45:37,718 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 301 [2021-06-14 03:45:37,864 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 327 [2021-06-14 03:45:39,020 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 327 [2021-06-14 03:45:39,239 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 370 [2021-06-14 03:45:39,779 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 816 DAG size of output: 543 [2021-06-14 03:45:40,884 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 715 DAG size of output: 907 [2021-06-14 03:45:42,160 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 347 [2021-06-14 03:45:42,328 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 298 [2021-06-14 03:45:43,059 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 745 DAG size of output: 546 [2021-06-14 03:45:43,391 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 468 [2021-06-14 03:45:43,728 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 504 [2021-06-14 03:45:43,913 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 260 [2021-06-14 03:45:44,998 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 238 [2021-06-14 03:45:45,279 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 347 [2021-06-14 03:45:45,490 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 317 [2021-06-14 03:45:45,967 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 207 [2021-06-14 03:45:46,616 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 200 [2021-06-14 03:45:46,781 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 240 [2021-06-14 03:45:47,327 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 981 DAG size of output: 478 [2021-06-14 03:45:48,606 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1469 DAG size of output: 756 [2021-06-14 03:45:50,501 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 1771 DAG size of output: 980 [2021-06-14 03:45:53,660 WARN L205 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 2434 DAG size of output: 1358 [2021-06-14 03:45:56,135 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 1061 DAG size of output: 1405 [2021-06-14 03:45:56,547 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 970 DAG size of output: 918 [2021-06-14 03:45:57,510 WARN L205 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 736 [2021-06-14 03:45:57,749 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 323 [2021-06-14 03:45:58,290 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 269 [2021-06-14 03:45:58,526 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 323 [2021-06-14 03:45:59,017 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 391 [2021-06-14 03:45:59,451 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 285 [2021-06-14 03:45:59,749 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 825 DAG size of output: 372 [2021-06-14 03:45:59,979 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 396 [2021-06-14 03:46:00,494 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 342 [2021-06-14 03:46:00,950 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 262 [2021-06-14 03:46:01,517 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 1214 DAG size of output: 542 [2021-06-14 03:46:02,101 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 665 [2021-06-14 03:46:02,219 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 597 [2021-06-14 03:46:02,638 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 672 [2021-06-14 03:46:03,570 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 540 [2021-06-14 03:46:04,104 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 758 DAG size of output: 573 [2021-06-14 03:46:04,228 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 500 [2021-06-14 03:46:04,661 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 459 DAG size of output: 548 [2021-06-14 03:46:05,472 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 488 [2021-06-14 03:46:05,991 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 526 [2021-06-14 03:46:06,695 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 948 DAG size of output: 576 [2021-06-14 03:46:08,183 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 2026 DAG size of output: 970 [2021-06-14 03:46:12,408 WARN L205 SmtUtils]: Spent 4.22 s on a formula simplification. DAG size of input: 3986 DAG size of output: 2019 [2021-06-14 03:46:20,742 WARN L205 SmtUtils]: Spent 8.32 s on a formula simplification. DAG size of input: 5679 DAG size of output: 3221 [2021-06-14 03:46:30,485 WARN L205 SmtUtils]: Spent 9.44 s on a formula simplification. DAG size of input: 5807 DAG size of output: 3290 [2021-06-14 03:46:42,732 WARN L205 SmtUtils]: Spent 12.22 s on a formula simplification. DAG size of input: 6348 DAG size of output: 3315 [2021-06-14 03:46:57,516 WARN L205 SmtUtils]: Spent 14.76 s on a formula simplification. DAG size of input: 7159 DAG size of output: 4141 [2021-06-14 03:47:00,836 WARN L205 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 1509 DAG size of output: 2213 [2021-06-14 03:47:03,220 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 1392 DAG size of output: 1858 [2021-06-14 03:47:05,677 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 1191 DAG size of output: 1549 [2021-06-14 03:47:07,881 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 990 DAG size of output: 1316 [2021-06-14 03:47:09,598 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 908 DAG size of output: 1138 [2021-06-14 03:47:09,819 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 826 DAG size of output: 774 [2021-06-14 03:47:10,470 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 460 [2021-06-14 03:47:10,599 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 284 [2021-06-14 03:47:10,837 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 284 [2021-06-14 03:47:11,742 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 321 [2021-06-14 03:47:12,031 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 866 DAG size of output: 403 [2021-06-14 03:47:12,678 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 256 [2021-06-14 03:47:12,802 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 307 [2021-06-14 03:47:13,542 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 385 [2021-06-14 03:47:14,014 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 645 DAG size of output: 434 [2021-06-14 03:47:14,782 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 1396 DAG size of output: 741 [2021-06-14 03:47:16,269 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 2022 DAG size of output: 1237 [2021-06-14 03:47:17,788 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 984 DAG size of output: 1161 [2021-06-14 03:47:19,004 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 880 DAG size of output: 1173 [2021-06-14 03:47:19,168 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 791 DAG size of output: 789 [2021-06-14 03:47:19,275 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 201 [2021-06-14 03:47:19,472 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 235 [2021-06-14 03:47:19,963 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 270 [2021-06-14 03:47:20,255 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 319 [2021-06-14 03:47:20,639 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 521 [2021-06-14 03:47:21,359 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 324 [2021-06-14 03:47:21,752 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 262 [2021-06-14 03:47:22,037 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 734 DAG size of output: 486 [2021-06-14 03:47:22,662 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 232 [2021-06-14 03:47:22,781 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 274 [2021-06-14 03:47:23,339 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 255 [2021-06-14 03:47:23,635 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 471 [2021-06-14 03:47:24,354 WARN L205 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 1218 DAG size of output: 793 [2021-06-14 03:47:25,395 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1569 DAG size of output: 1006 [2021-06-14 03:47:27,048 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 2140 DAG size of output: 1475 [2021-06-14 03:47:29,292 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 2422 DAG size of output: 1717 [2021-06-14 03:47:33,501 WARN L205 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 3708 DAG size of output: 2159 [2021-06-14 03:47:38,489 WARN L205 SmtUtils]: Spent 4.82 s on a formula simplification. DAG size of input: 3803 DAG size of output: 2212 [2021-06-14 03:47:38,637 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1254 DAG size of output: 1254 [2021-06-14 03:47:39,048 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 1233 DAG size of output: 1179 [2021-06-14 03:47:39,796 WARN L205 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 688 [2021-06-14 03:47:40,427 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 556 [2021-06-14 03:47:40,600 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 353 [2021-06-14 03:47:41,978 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 644 DAG size of output: 370 [2021-06-14 03:47:42,337 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 478 [2021-06-14 03:47:42,472 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 278 [2021-06-14 03:47:43,139 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 236 [2021-06-14 03:47:43,286 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 309 [2021-06-14 03:47:43,622 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 278 [2021-06-14 03:47:43,924 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 280 [2021-06-14 03:47:44,255 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 301 [2021-06-14 03:47:44,482 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 366 [2021-06-14 03:47:44,880 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 733 DAG size of output: 468 [2021-06-14 03:47:45,424 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 833 DAG size of output: 558 [2021-06-14 03:47:46,373 WARN L205 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 1331 DAG size of output: 797 [2021-06-14 03:47:47,781 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 722 DAG size of output: 963 [2021-06-14 03:47:48,804 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 711 DAG size of output: 904 [2021-06-14 03:47:49,617 WARN L205 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 689 DAG size of output: 908 [2021-06-14 03:47:49,958 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 518 [2021-06-14 03:47:50,461 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 281 [2021-06-14 03:47:50,958 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 348 [2021-06-14 03:47:51,397 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 483 [2021-06-14 03:47:51,603 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 301 [2021-06-14 03:47:51,864 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 274 [2021-06-14 03:47:52,388 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 377 [2021-06-14 03:47:52,751 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 477 [2021-06-14 03:47:53,306 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 818 DAG size of output: 601 [2021-06-14 03:47:53,987 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 250 [2021-06-14 03:47:54,170 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 242 [2021-06-14 03:47:54,611 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 282 [2021-06-14 03:47:54,876 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 445 [2021-06-14 03:47:55,186 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 497 [2021-06-14 03:47:55,512 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 439 [2021-06-14 03:47:56,343 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 364 [2021-06-14 03:47:56,866 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 1059 DAG size of output: 629 [2021-06-14 03:47:58,112 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1764 DAG size of output: 1080 [2021-06-14 03:47:59,842 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 2081 DAG size of output: 1300 [2021-06-14 03:48:00,970 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 617 DAG size of output: 805 [2021-06-14 03:48:01,864 WARN L205 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 734 [2021-06-14 03:48:02,467 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 249 [2021-06-14 03:48:03,266 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 255 [2021-06-14 03:48:03,549 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 734 DAG size of output: 342 [2021-06-14 03:48:04,000 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 272 [2021-06-14 03:48:04,362 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 289 [2021-06-14 03:48:04,515 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 310 [2021-06-14 03:48:05,130 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 388 [2021-06-14 03:48:05,742 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 1171 DAG size of output: 610 [2021-06-14 03:48:08,527 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 2757 DAG size of output: 1645 [2021-06-14 03:48:12,797 WARN L205 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 3930 DAG size of output: 2244 [2021-06-14 03:48:17,813 WARN L205 SmtUtils]: Spent 4.90 s on a formula simplification. DAG size of input: 4006 DAG size of output: 2284 [2021-06-14 03:48:27,849 WARN L205 SmtUtils]: Spent 10.01 s on a formula simplification. DAG size of input: 6698 DAG size of output: 3464 [2021-06-14 03:48:39,951 WARN L205 SmtUtils]: Spent 12.07 s on a formula simplification. DAG size of input: 7473 DAG size of output: 4262 [2021-06-14 03:49:07,676 WARN L205 SmtUtils]: Spent 27.69 s on a formula simplification. DAG size of input: 11516 DAG size of output: 6620 [2021-06-14 03:49:35,386 WARN L205 SmtUtils]: Spent 27.66 s on a formula simplification. DAG size of input: 11516 DAG size of output: 6620 [2021-06-14 03:50:05,146 WARN L205 SmtUtils]: Spent 29.73 s on a formula simplification. DAG size of input: 11523 DAG size of output: 6627 [2021-06-14 03:50:34,073 WARN L205 SmtUtils]: Spent 28.87 s on a formula simplification. DAG size of input: 6629 DAG size of output: 6985 [2021-06-14 03:50:56,131 WARN L205 SmtUtils]: Spent 22.02 s on a formula simplification. DAG size of input: 6349 DAG size of output: 6640 [2021-06-14 03:51:07,183 WARN L205 SmtUtils]: Spent 11.02 s on a formula simplification. DAG size of input: 6332 DAG size of output: 4175 [2021-06-14 03:51:07,962 WARN L205 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 3079 DAG size of output: 3079 [2021-06-14 03:51:08,739 WARN L205 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 3059 DAG size of output: 3059 [2021-06-14 03:51:09,763 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 2965 DAG size of output: 2965 [2021-06-14 03:51:10,139 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 842 DAG size of output: 664 [2021-06-14 03:51:10,859 WARN L205 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 710 [2021-06-14 03:51:11,097 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 388 [2021-06-14 03:51:11,854 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 267 [2021-06-14 03:51:12,601 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 269 [2021-06-14 03:51:12,824 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 442 [2021-06-14 03:51:13,129 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 476 [2021-06-14 03:51:13,429 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 481 [2021-06-14 03:51:14,036 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 543 [2021-06-14 03:51:14,851 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 306 [2021-06-14 03:51:15,434 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 366 [2021-06-14 03:51:15,658 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 394 [2021-06-14 03:51:16,253 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 991 DAG size of output: 767 [2021-06-14 03:51:16,973 WARN L205 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 878 DAG size of output: 844 [2021-06-14 03:51:17,164 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 535 [2021-06-14 03:51:17,481 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 427 [2021-06-14 03:51:17,833 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 437 [2021-06-14 03:51:18,409 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 353 [2021-06-14 03:51:18,875 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 444 [2021-06-14 03:51:19,222 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 476 [2021-06-14 03:51:20,018 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 252 [2021-06-14 03:51:20,612 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 367 [2021-06-14 03:51:21,323 WARN L205 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 780 [2021-06-14 03:51:21,474 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 1635 [2021-06-14 03:51:21,641 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1078 DAG size of output: 1078 [2021-06-14 03:51:22,909 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 864 DAG size of output: 936 [2021-06-14 03:51:23,688 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 309 [2021-06-14 03:51:23,954 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 239 [2021-06-14 03:51:24,540 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 420 [2021-06-14 03:51:24,746 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 217 [2021-06-14 03:51:25,517 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 322 [2021-06-14 03:51:25,845 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 742 DAG size of output: 554 [2021-06-14 03:51:26,289 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 852 DAG size of output: 597 [2021-06-14 03:51:26,511 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 283 [2021-06-14 03:51:27,873 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 1077 DAG size of output: 747 [2021-06-14 03:51:28,009 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 789 DAG size of output: 789 [2021-06-14 03:51:28,900 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 586 [2021-06-14 03:51:29,104 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 268 [2021-06-14 03:51:30,493 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-06-14 03:51:30,875 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 265 [2021-06-14 03:51:30,992 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 285 [2021-06-14 03:51:31,209 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 371 [2021-06-14 03:51:31,581 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 521 [2021-06-14 03:51:32,120 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 842 DAG size of output: 686 [2021-06-14 03:51:33,281 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1739 DAG size of output: 1168 [2021-06-14 03:51:36,072 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 3011 DAG size of output: 2110 [2021-06-14 03:51:39,265 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 3140 DAG size of output: 2103 [2021-06-14 03:51:42,621 WARN L205 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 3230 DAG size of output: 2138 [2021-06-14 03:51:44,156 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 915 DAG size of output: 1226 [2021-06-14 03:51:44,768 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 860 DAG size of output: 802 [2021-06-14 03:51:44,908 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 783 DAG size of output: 787 [2021-06-14 03:51:45,291 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 419 [2021-06-14 03:51:45,956 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 218 [2021-06-14 03:51:46,165 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 366 [2021-06-14 03:51:46,855 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 254 [2021-06-14 03:51:47,015 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-06-14 03:51:47,763 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 350 [2021-06-14 03:51:48,131 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 387 [2021-06-14 03:51:48,719 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 276 [2021-06-14 03:51:49,120 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 269 [2021-06-14 03:51:49,624 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 283 [2021-06-14 03:51:49,824 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 223 [2021-06-14 03:51:50,215 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 462 [2021-06-14 03:51:50,917 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 239 [2021-06-14 03:51:51,817 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 332 [2021-06-14 03:51:52,603 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 703 DAG size of output: 506 [2021-06-14 03:51:53,422 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 266 [2021-06-14 03:51:53,967 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 877 DAG size of output: 605 [2021-06-14 03:51:54,712 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 208 [2021-06-14 03:51:55,389 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 307 [2021-06-14 03:51:56,282 WARN L205 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 1129 DAG size of output: 779 [2021-06-14 03:51:58,006 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1885 DAG size of output: 1200 [2021-06-14 03:52:00,207 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 1967 DAG size of output: 1278 [2021-06-14 03:52:02,670 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 2270 DAG size of output: 1279 [2021-06-14 03:52:09,776 WARN L205 SmtUtils]: Spent 7.09 s on a formula simplification. DAG size of input: 5732 DAG size of output: 3453 [2021-06-14 03:52:18,342 WARN L205 SmtUtils]: Spent 8.54 s on a formula simplification. DAG size of input: 6192 DAG size of output: 3669 [2021-06-14 03:52:28,183 WARN L205 SmtUtils]: Spent 9.81 s on a formula simplification. DAG size of input: 6843 DAG size of output: 3879 [2021-06-14 03:52:38,081 WARN L205 SmtUtils]: Spent 9.87 s on a formula simplification. DAG size of input: 6843 DAG size of output: 3879 [2021-06-14 03:52:48,486 WARN L205 SmtUtils]: Spent 10.39 s on a formula simplification. DAG size of input: 6848 DAG size of output: 3880 [2021-06-14 03:52:48,870 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 3877 [2021-06-14 03:52:56,608 WARN L205 SmtUtils]: Spent 7.72 s on a formula simplification. DAG size of input: 3879 DAG size of output: 4189 [2021-06-14 03:52:57,400 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 3822 DAG size of output: 3822 [2021-06-14 03:52:58,437 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 3416 DAG size of output: 2568 [2021-06-14 03:52:58,865 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 2117 DAG size of output: 2098 [2021-06-14 03:53:01,557 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 2004 DAG size of output: 2076 [2021-06-14 03:53:02,571 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 914 DAG size of output: 1035 [2021-06-14 03:53:02,928 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 750 DAG size of output: 699 [2021-06-14 03:53:03,530 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 458 [2021-06-14 03:53:03,696 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 364 [2021-06-14 03:53:04,300 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 843 DAG size of output: 504 [2021-06-14 03:53:05,981 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 1295 DAG size of output: 1444 [2021-06-14 03:53:06,329 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 820 DAG size of output: 797 [2021-06-14 03:53:06,847 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 804 DAG size of output: 527 [2021-06-14 03:53:07,087 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 758 DAG size of output: 733 [2021-06-14 03:53:07,450 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 249 [2021-06-14 03:53:07,850 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 1160 DAG size of output: 540 [2021-06-14 03:53:08,733 WARN L205 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 1881 DAG size of output: 912 [2021-06-14 03:53:09,673 WARN L205 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 1953 DAG size of output: 693 [2021-06-14 03:53:10,708 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 2388 DAG size of output: 967 [2021-06-14 03:53:11,272 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 590 [2021-06-14 03:53:12,615 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 2625 DAG size of output: 944 [2021-06-14 03:53:13,973 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 2991 DAG size of output: 977 [2021-06-14 03:53:15,306 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 2991 DAG size of output: 977 [2021-06-14 03:53:16,903 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 2998 DAG size of output: 770 [2021-06-14 03:53:17,101 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 385 [2021-06-14 03:53:17,478 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 251 [2021-06-14 03:53:18,100 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:53:18,103 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:53:18,104 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:53:18,104 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-06-14 03:53:18,109 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:53:18,109 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238429032] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:53:18,109 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:53:18,109 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-06-14 03:53:18,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090490200] [2021-06-14 03:53:18,109 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-14 03:53:18,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:53:18,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-14 03:53:18,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-14 03:53:18,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:53:18,110 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:53:18,110 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 27 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:53:18,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:53:18,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:53:18,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:53:18,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:53:18,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:53:18,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:53:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:53:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:53:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:53:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:53:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:53:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:53:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:53:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:53:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:53:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 03:53:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 03:53:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:53:18,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:53:18,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:53:18,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:53:18,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:53:18,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:53:18,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:53:18,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:53:18,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:53:18,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:53:18,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:53:18,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:53:18,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:53:18,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:53:18,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:53:18,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:53:18,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:53:18,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 03:53:18,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 03:53:18,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:53:18,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:53:18,533 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable320 [2021-06-14 03:53:18,533 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:53:18,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:53:18,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1490602554, now seen corresponding path program 17 times [2021-06-14 03:53:18,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:53:18,534 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834066654] [2021-06-14 03:53:18,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:53:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:53:18,687 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 21 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:53:18,687 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:53:18,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834066654] [2021-06-14 03:53:18,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834066654] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:53:18,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421587188] [2021-06-14 03:53:18,687 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:53:18,728 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-14 03:53:18,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:53:18,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-14 03:53:18,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:53:18,794 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 21 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:53:18,794 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421587188] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:53:18,794 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:53:18,794 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 19 [2021-06-14 03:53:18,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515824428] [2021-06-14 03:53:18,794 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-14 03:53:18,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:53:18,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-14 03:53:18,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2021-06-14 03:53:18,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:53:18,795 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:53:18,795 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) [2021-06-14 03:53:18,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:53:18,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:53:18,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:53:18,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:53:18,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:53:18,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:53:18,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:53:18,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:53:18,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:53:18,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:53:18,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:53:18,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:53:18,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:53:18,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:53:18,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:53:18,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 03:53:18,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 03:53:18,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:53:18,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:53:18,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:53:19,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:53:19,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:53:19,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:53:19,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:53:19,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:53:19,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:53:19,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:53:19,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:53:19,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:53:19,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:53:19,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:53:19,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:53:19,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:53:19,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:53:19,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:53:19,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 03:53:19,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 03:53:19,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:53:19,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:53:19,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 03:53:19,228 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7277 [2021-06-14 03:53:19,229 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:53:19,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:53:19,229 INFO L82 PathProgramCache]: Analyzing trace with hash 467408879, now seen corresponding path program 18 times [2021-06-14 03:53:19,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:53:19,229 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614439062] [2021-06-14 03:53:19,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:53:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:53:19,379 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 55 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:53:19,379 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:53:19,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614439062] [2021-06-14 03:53:19,379 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614439062] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:53:19,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998368872] [2021-06-14 03:53:19,379 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:53:19,414 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-14 03:53:19,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:53:19,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-14 03:53:19,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:53:19,478 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 66 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:53:19,478 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998368872] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:53:19,478 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:53:19,478 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-06-14 03:53:19,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36841340] [2021-06-14 03:53:19,479 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-14 03:53:19,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:53:19,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-14 03:53:19,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-06-14 03:53:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:53:19,480 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:53:19,480 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:53:19,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:53:19,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:53:19,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:53:19,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:53:19,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:53:19,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:53:19,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:53:19,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:53:19,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:53:19,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:53:19,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:53:19,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:53:19,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:53:19,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:53:19,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:53:19,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 03:53:19,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 03:53:19,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:53:19,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:53:19,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 03:53:19,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:53:19,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:53:19,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:53:19,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:53:19,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:53:19,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:53:19,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:53:19,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:53:19,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:53:19,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:53:19,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 03:53:19,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:53:19,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:53:19,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:53:19,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:53:19,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:53:19,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 03:53:19,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 03:53:19,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:53:19,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:53:19,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 03:53:19,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 03:53:19,948 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7278 [2021-06-14 03:53:19,948 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:53:19,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:53:19,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1627845062, now seen corresponding path program 19 times [2021-06-14 03:53:19,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:53:19,949 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506699940] [2021-06-14 03:53:19,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:53:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:53:20,062 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:53:20,062 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:53:20,062 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506699940] [2021-06-14 03:53:20,062 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506699940] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:53:20,063 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20049986] [2021-06-14 03:53:20,063 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:53:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:53:20,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 43 conjunts are in the unsatisfiable core [2021-06-14 03:53:20,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:53:20,784 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-14 03:53:20,785 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:53:20,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-06-14 03:53:22,314 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 348 [2021-06-14 03:53:22,514 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 360 [2021-06-14 03:53:22,838 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 429 [2021-06-14 03:53:23,208 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 459 [2021-06-14 03:53:23,649 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 483 [2021-06-14 03:53:24,265 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 268 [2021-06-14 03:53:24,371 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 295 [2021-06-14 03:53:24,745 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 329 [2021-06-14 03:53:24,937 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 355 [2021-06-14 03:53:25,177 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-06-14 03:53:25,867 WARN L205 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 862 DAG size of output: 614 [2021-06-14 03:53:26,957 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 363 [2021-06-14 03:53:27,165 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 459 DAG size of output: 374 [2021-06-14 03:53:27,928 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 438 [2021-06-14 03:53:28,314 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 465 [2021-06-14 03:53:28,760 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 488 [2021-06-14 03:53:29,606 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 319 [2021-06-14 03:53:29,968 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 359 [2021-06-14 03:53:30,189 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 384 [2021-06-14 03:53:30,451 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 403 [2021-06-14 03:53:31,166 WARN L205 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 863 DAG size of output: 627 [2021-06-14 03:53:32,741 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1507 DAG size of output: 1021 [2021-06-14 03:53:34,343 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1507 DAG size of output: 1021 [2021-06-14 03:53:36,226 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 1526 DAG size of output: 1040 [2021-06-14 03:53:38,201 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 1034 DAG size of output: 1145 [2021-06-14 03:53:39,691 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1003 DAG size of output: 1034 [2021-06-14 03:53:40,016 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 442 [2021-06-14 03:53:40,120 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 358 [2021-06-14 03:53:40,668 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 314 [2021-06-14 03:53:40,846 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 318 [2021-06-14 03:53:41,500 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 266 [2021-06-14 03:53:41,823 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 421 [2021-06-14 03:53:42,316 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 742 DAG size of output: 536 [2021-06-14 03:53:43,590 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 701 DAG size of output: 899 [2021-06-14 03:53:43,836 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 417 [2021-06-14 03:53:44,732 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 258 [2021-06-14 03:53:44,896 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 271 [2021-06-14 03:53:45,227 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 394 [2021-06-14 03:53:45,847 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 736 DAG size of output: 588 [2021-06-14 03:53:46,386 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 508 [2021-06-14 03:53:46,715 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 338 [2021-06-14 03:53:47,106 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 262 [2021-06-14 03:53:47,402 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 387 [2021-06-14 03:53:48,036 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 588 DAG size of output: 422 [2021-06-14 03:53:49,209 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1044 DAG size of output: 784 [2021-06-14 03:53:51,052 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1508 DAG size of output: 1047 [2021-06-14 03:53:51,777 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 618 [2021-06-14 03:53:52,298 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 510 [2021-06-14 03:53:52,464 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 319 [2021-06-14 03:53:53,127 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 286 [2021-06-14 03:53:53,426 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 414 [2021-06-14 03:53:54,294 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 427 [2021-06-14 03:53:54,614 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 412 [2021-06-14 03:53:55,162 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 264 [2021-06-14 03:53:55,393 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 329 [2021-06-14 03:53:55,748 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 422 [2021-06-14 03:53:56,214 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 242 [2021-06-14 03:53:56,463 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 277 [2021-06-14 03:53:56,723 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 346 [2021-06-14 03:53:57,280 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 418 [2021-06-14 03:53:58,031 WARN L205 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 469 [2021-06-14 03:53:59,069 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 700 DAG size of output: 573 [2021-06-14 03:53:59,236 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 390 [2021-06-14 03:53:59,503 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 365 [2021-06-14 03:54:01,308 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 325 [2021-06-14 03:54:01,634 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 410 [2021-06-14 03:54:03,097 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1063 DAG size of output: 745 [2021-06-14 03:54:06,927 WARN L205 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 2164 DAG size of output: 1501 [2021-06-14 03:54:10,724 WARN L205 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 2164 DAG size of output: 1501 [2021-06-14 03:54:13,233 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 2173 DAG size of output: 1010 [2021-06-14 03:54:14,151 WARN L205 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 487 [2021-06-14 03:54:14,683 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 478 [2021-06-14 03:54:15,271 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 400 [2021-06-14 03:54:15,450 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 203 [2021-06-14 03:54:15,864 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 209 [2021-06-14 03:54:16,198 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 337 [2021-06-14 03:54:16,653 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 372 [2021-06-14 03:54:17,497 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 299 [2021-06-14 03:54:18,108 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 446 [2021-06-14 03:54:18,244 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 260 [2021-06-14 03:54:18,463 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 212 [2021-06-14 03:54:19,060 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 436 [2021-06-14 03:54:20,789 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 771 DAG size of output: 925 [2021-06-14 03:54:21,576 WARN L205 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 643 DAG size of output: 766 [2021-06-14 03:54:22,655 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 642 DAG size of output: 712 [2021-06-14 03:54:23,048 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 499 [2021-06-14 03:54:23,537 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 464 DAG size of output: 343 [2021-06-14 03:54:24,239 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 388 [2021-06-14 03:54:24,383 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 426 [2021-06-14 03:54:24,549 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 279 [2021-06-14 03:54:25,314 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 218 [2021-06-14 03:54:25,456 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 245 [2021-06-14 03:54:26,158 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 225 [2021-06-14 03:54:26,427 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 294 [2021-06-14 03:54:26,875 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 399 [2021-06-14 03:54:27,780 WARN L205 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 879 DAG size of output: 603 [2021-06-14 03:54:28,643 WARN L205 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 623 [2021-06-14 03:54:28,932 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 400 [2021-06-14 03:54:29,180 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 359 [2021-06-14 03:54:29,708 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 248 [2021-06-14 03:54:29,918 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 288 [2021-06-14 03:54:30,439 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 331 [2021-06-14 03:54:30,602 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 432 [2021-06-14 03:54:30,710 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 218 [2021-06-14 03:54:31,416 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 367 [2021-06-14 03:54:32,078 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 764 DAG size of output: 530 [2021-06-14 03:54:33,877 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1171 DAG size of output: 815 [2021-06-14 03:54:34,268 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 477 [2021-06-14 03:54:35,587 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 258 [2021-06-14 03:54:35,767 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 280 [2021-06-14 03:54:36,020 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 313 [2021-06-14 03:54:36,578 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 471 [2021-06-14 03:54:38,837 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 1540 DAG size of output: 982 [2021-06-14 03:54:41,837 WARN L205 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 2054 DAG size of output: 1269 [2021-06-14 03:54:44,839 WARN L205 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 2054 DAG size of output: 1269 [2021-06-14 03:54:48,057 WARN L205 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 2060 DAG size of output: 1275 [2021-06-14 03:54:52,437 WARN L205 SmtUtils]: Spent 4.37 s on a formula simplification. DAG size of input: 1277 DAG size of output: 1615 [2021-06-14 03:54:56,503 WARN L205 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 1272 DAG size of output: 1852 [2021-06-14 03:54:59,700 WARN L205 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 971 DAG size of output: 1210 [2021-06-14 03:54:59,840 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 681 [2021-06-14 03:55:00,235 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 349 [2021-06-14 03:55:02,178 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 283 [2021-06-14 03:55:02,981 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 367 [2021-06-14 03:55:03,493 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 473 [2021-06-14 03:55:04,325 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 229 [2021-06-14 03:55:04,494 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 253 [2021-06-14 03:55:04,632 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 263 [2021-06-14 03:55:06,205 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 272 [2021-06-14 03:55:06,438 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 344 [2021-06-14 03:55:06,804 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 645 DAG size of output: 449 [2021-06-14 03:55:08,069 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1378 DAG size of output: 936 [2021-06-14 03:55:08,345 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 317 [2021-06-14 03:55:09,290 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 237 [2021-06-14 03:55:09,473 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 286 [2021-06-14 03:55:09,840 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 310 [2021-06-14 03:55:10,196 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 406 [2021-06-14 03:55:10,471 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 335 [2021-06-14 03:55:10,639 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 229 [2021-06-14 03:55:10,770 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 213 [2021-06-14 03:55:11,376 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 224 [2021-06-14 03:55:11,512 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 274 [2021-06-14 03:55:12,143 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 254 [2021-06-14 03:55:12,388 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 391 [2021-06-14 03:55:12,843 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 443 [2021-06-14 03:55:13,363 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 535 [2021-06-14 03:55:15,682 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 2235 DAG size of output: 1482 [2021-06-14 03:55:17,291 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 738 DAG size of output: 1055 [2021-06-14 03:55:18,393 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 593 DAG size of output: 841 [2021-06-14 03:55:19,007 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 566 [2021-06-14 03:55:19,549 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 541 [2021-06-14 03:55:19,702 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 375 [2021-06-14 03:55:20,619 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 262 [2021-06-14 03:55:21,580 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 179 [2021-06-14 03:55:21,982 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 491 [2021-06-14 03:55:22,629 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 822 DAG size of output: 661 [2021-06-14 03:55:23,248 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 429 [2021-06-14 03:55:23,371 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 310 [2021-06-14 03:55:24,232 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 228 [2021-06-14 03:55:24,349 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 229 [2021-06-14 03:55:25,192 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 380 [2021-06-14 03:55:25,641 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 516 [2021-06-14 03:55:26,871 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1331 DAG size of output: 993 [2021-06-14 03:55:27,005 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 204 [2021-06-14 03:55:27,798 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 180 [2021-06-14 03:55:28,435 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 193 [2021-06-14 03:55:28,712 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 294 [2021-06-14 03:55:29,385 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 238 [2021-06-14 03:55:29,991 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 315 [2021-06-14 03:55:31,777 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1881 DAG size of output: 1270 [2021-06-14 03:55:34,074 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 2283 DAG size of output: 1610 [2021-06-14 03:55:37,322 WARN L205 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 2774 DAG size of output: 2046 [2021-06-14 03:55:43,740 WARN L205 SmtUtils]: Spent 6.40 s on a formula simplification. DAG size of input: 4670 DAG size of output: 3185 [2021-06-14 03:55:44,109 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 1209 DAG size of output: 1209 [2021-06-14 03:55:46,252 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 704 DAG size of output: 864 [2021-06-14 03:55:47,277 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 504 DAG size of output: 723 [2021-06-14 03:55:48,246 WARN L205 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 615 [2021-06-14 03:55:49,092 WARN L205 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 415 [2021-06-14 03:55:49,446 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 337 [2021-06-14 03:55:50,552 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 224 [2021-06-14 03:55:51,181 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 194 [2021-06-14 03:55:51,450 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 368 [2021-06-14 03:55:51,795 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 374 [2021-06-14 03:55:52,280 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 507 DAG size of output: 456 [2021-06-14 03:55:53,209 WARN L205 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 462 [2021-06-14 03:55:54,354 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 202 [2021-06-14 03:55:54,505 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 238 [2021-06-14 03:55:55,517 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 342 [2021-06-14 03:55:55,935 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-06-14 03:55:56,933 WARN L205 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 940 DAG size of output: 749 [2021-06-14 03:55:58,430 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1225 DAG size of output: 982 [2021-06-14 03:55:59,793 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 543 DAG size of output: 812 [2021-06-14 03:56:00,931 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 513 DAG size of output: 709 [2021-06-14 03:56:02,056 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 409 DAG size of output: 503 [2021-06-14 03:56:02,554 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 400 [2021-06-14 03:56:02,806 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 377 [2021-06-14 03:56:03,005 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 190 [2021-06-14 03:56:04,719 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 293 [2021-06-14 03:56:05,257 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 437 [2021-06-14 03:56:05,711 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 460 [2021-06-14 03:56:06,366 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 598 [2021-06-14 03:56:07,557 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 468 DAG size of output: 598 [2021-06-14 03:56:08,060 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 415 [2021-06-14 03:56:08,245 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 407 [2021-06-14 03:56:08,404 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 200 [2021-06-14 03:56:08,731 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 194 [2021-06-14 03:56:09,053 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 183 [2021-06-14 03:56:09,224 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 246 [2021-06-14 03:56:09,899 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 248 [2021-06-14 03:56:10,566 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 360 [2021-06-14 03:56:11,258 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 742 DAG size of output: 578 [2021-06-14 03:56:11,885 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 579 [2021-06-14 03:56:12,765 WARN L205 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 957 DAG size of output: 743 [2021-06-14 03:56:14,023 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1605 DAG size of output: 939 [2021-06-14 03:56:15,952 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 1966 DAG size of output: 1257 [2021-06-14 03:56:19,369 WARN L205 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 2926 DAG size of output: 1674 [2021-06-14 03:56:20,543 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 281 [2021-06-14 03:56:20,770 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 402 [2021-06-14 03:56:21,530 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 270 [2021-06-14 03:56:22,008 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 260 [2021-06-14 03:56:22,303 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 396 [2021-06-14 03:56:22,836 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 784 DAG size of output: 575 [2021-06-14 03:56:22,984 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 266 [2021-06-14 03:56:23,094 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 211 [2021-06-14 03:56:23,856 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 272 [2021-06-14 03:56:23,986 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 273 [2021-06-14 03:56:25,037 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 292 [2021-06-14 03:56:25,373 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 425 [2021-06-14 03:56:25,533 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 257 [2021-06-14 03:56:26,044 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 232 [2021-06-14 03:56:26,677 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 229 [2021-06-14 03:56:26,881 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 302 [2021-06-14 03:56:27,618 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 211 [2021-06-14 03:56:28,085 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 416 [2021-06-14 03:56:28,754 WARN L205 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 968 DAG size of output: 625 [2021-06-14 03:56:29,748 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 281 [2021-06-14 03:56:31,347 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1592 DAG size of output: 1122 [2021-06-14 03:56:31,778 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 354 [2021-06-14 03:56:32,050 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 343 [2021-06-14 03:56:32,229 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 269 [2021-06-14 03:56:32,400 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 239 [2021-06-14 03:56:33,050 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 256 [2021-06-14 03:56:33,265 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 237 [2021-06-14 03:56:34,009 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 240 [2021-06-14 03:56:34,343 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 387 [2021-06-14 03:56:34,798 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 585 DAG size of output: 455 [2021-06-14 03:56:35,617 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 222 [2021-06-14 03:56:35,782 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 271 [2021-06-14 03:56:36,010 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 349 [2021-06-14 03:56:36,784 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 862 DAG size of output: 622 [2021-06-14 03:56:37,693 WARN L205 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 494 [2021-06-14 03:56:38,662 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 177 [2021-06-14 03:56:38,814 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 207 [2021-06-14 03:56:39,858 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 191 [2021-06-14 03:56:39,987 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 186 [2021-06-14 03:56:40,533 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 294 [2021-06-14 03:56:40,851 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 338 [2021-06-14 03:56:41,705 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 820 DAG size of output: 502 [2021-06-14 03:56:42,180 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 400 [2021-06-14 03:56:42,342 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 170 [2021-06-14 03:56:43,443 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 201 [2021-06-14 03:56:43,646 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 244 [2021-06-14 03:56:43,834 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 185 [2021-06-14 03:56:44,435 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 194 [2021-06-14 03:56:45,270 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 159 [2021-06-14 03:56:45,486 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 230 [2021-06-14 03:56:46,004 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 426 [2021-06-14 03:56:46,750 WARN L205 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 555 [2021-06-14 03:56:48,167 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1434 DAG size of output: 786 [2021-06-14 03:56:56,184 WARN L205 SmtUtils]: Spent 8.00 s on a formula simplification. DAG size of input: 6059 DAG size of output: 3448 [2021-06-14 03:57:11,022 WARN L205 SmtUtils]: Spent 14.81 s on a formula simplification. DAG size of input: 9707 DAG size of output: 5567 [2021-06-14 03:57:28,405 WARN L205 SmtUtils]: Spent 17.34 s on a formula simplification. DAG size of input: 10149 DAG size of output: 5578 [2021-06-14 03:57:45,720 WARN L205 SmtUtils]: Spent 17.27 s on a formula simplification. DAG size of input: 10149 DAG size of output: 5578 [2021-06-14 03:58:04,836 WARN L205 SmtUtils]: Spent 19.09 s on a formula simplification. DAG size of input: 10154 DAG size of output: 5584 [2021-06-14 03:58:05,594 WARN L205 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 5580 [2021-06-14 03:58:20,846 WARN L205 SmtUtils]: Spent 15.22 s on a formula simplification. DAG size of input: 5582 DAG size of output: 5633 [2021-06-14 03:58:24,248 WARN L205 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 2598 DAG size of output: 1699 [2021-06-14 03:58:24,831 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 536 [2021-06-14 03:58:25,252 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 183 [2021-06-14 03:58:25,430 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 273 [2021-06-14 03:58:25,967 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 206 [2021-06-14 03:58:28,377 WARN L205 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1362 [2021-06-14 03:58:28,748 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 872 DAG size of output: 835 [2021-06-14 03:58:29,332 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 550 [2021-06-14 03:58:29,922 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 228 [2021-06-14 03:58:30,116 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 296 [2021-06-14 03:58:30,692 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 268 [2021-06-14 03:58:30,954 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 367 [2021-06-14 03:58:31,253 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 393 [2021-06-14 03:58:32,202 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 832 DAG size of output: 538 [2021-06-14 03:58:33,106 WARN L205 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 671 DAG size of output: 745 [2021-06-14 03:58:33,597 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 177 [2021-06-14 03:58:33,825 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 658 [2021-06-14 03:58:34,782 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 205 [2021-06-14 03:58:35,023 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 334 [2021-06-14 03:58:35,578 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 499 [2021-06-14 03:58:36,278 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 719 DAG size of output: 570 [2021-06-14 03:58:37,053 WARN L205 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 1365 DAG size of output: 716 [2021-06-14 03:58:38,010 WARN L205 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 1808 DAG size of output: 858 [2021-06-14 03:58:42,439 WARN L205 SmtUtils]: Spent 4.41 s on a formula simplification. DAG size of input: 3583 DAG size of output: 2046 [2021-06-14 03:58:44,722 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 1115 DAG size of output: 1391 [2021-06-14 03:58:45,811 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 886 DAG size of output: 886 [2021-06-14 03:58:46,155 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 872 DAG size of output: 851 [2021-06-14 03:58:46,408 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 281 [2021-06-14 03:58:46,784 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 230 [2021-06-14 03:58:47,341 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 248 [2021-06-14 03:58:47,503 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 296 [2021-06-14 03:58:47,752 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 364 [2021-06-14 03:58:48,491 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 814 DAG size of output: 485 [2021-06-14 03:58:48,901 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 494 [2021-06-14 03:58:49,098 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 703 DAG size of output: 696 [2021-06-14 03:58:49,668 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 380 [2021-06-14 03:58:50,390 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 269 [2021-06-14 03:58:50,772 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 317 [2021-06-14 03:58:51,271 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 500 [2021-06-14 03:58:52,256 WARN L205 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 1347 DAG size of output: 839 Received shutdown request... [2021-06-14 03:58:54,048 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 2210 DAG size of output: 1271 [2021-06-14 03:58:57,161 WARN L205 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 3759 DAG size of output: 1901 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown