/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-5.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 12:56:34,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 12:56:34,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 12:56:34,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 12:56:34,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 12:56:34,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 12:56:34,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 12:56:34,834 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf [2021-06-17 12:56:34,852 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 12:56:34,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 12:56:34,853 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 12:56:34,853 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 12:56:34,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 12:56:34,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 12:56:34,854 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 12:56:34,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 12:56:34,854 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 12:56:34,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 12:56:34,854 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 12:56:34,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 12:56:34,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 12:56:34,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 12:56:34,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 12:56:34,855 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 12:56:34,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 12:56:34,855 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 12:56:34,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 12:56:34,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 12:56:34,855 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 12:56:34,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 12:56:34,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 12:56:34,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 12:56:34,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 12:56:34,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 12:56:34,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 12:56:34,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 12:56:34,865 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-17 12:56:34,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 12:56:34,865 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 12:56:34,865 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 12:56:34,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 12:56:34,865 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 12:56:34,865 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-17 12:56:34,865 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 12:56:35,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 12:56:35,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 12:56:35,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 12:56:35,147 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 12:56:35,148 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 12:56:35,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-5.wvr.bpl [2021-06-17 12:56:35,163 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-5.wvr.bpl' [2021-06-17 12:56:35,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 12:56:35,199 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 12:56:35,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 12:56:35,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 12:56:35,200 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 12:56:35,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:56:35" (1/1) ... [2021-06-17 12:56:35,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:56:35" (1/1) ... [2021-06-17 12:56:35,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 12:56:35,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 12:56:35,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 12:56:35,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 12:56:35,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:56:35" (1/1) ... [2021-06-17 12:56:35,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:56:35" (1/1) ... [2021-06-17 12:56:35,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:56:35" (1/1) ... [2021-06-17 12:56:35,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:56:35" (1/1) ... [2021-06-17 12:56:35,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:56:35" (1/1) ... [2021-06-17 12:56:35,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:56:35" (1/1) ... [2021-06-17 12:56:35,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:56:35" (1/1) ... [2021-06-17 12:56:35,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 12:56:35,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 12:56:35,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 12:56:35,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 12:56:35,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:56:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 12:56:35,285 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 12:56:35,285 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 12:56:35,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 12:56:35,285 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 12:56:35,285 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 12:56:35,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 12:56:35,286 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 12:56:35,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 12:56:35,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 12:56:35,286 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 12:56:35,516 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 12:56:35,516 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-17 12:56:35,521 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-17 12:56:35,521 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-17 12:56:35,522 INFO L202 PluginConnector]: Adding new model unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 12:56:35 BoogieIcfgContainer [2021-06-17 12:56:35,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 12:56:35,525 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 12:56:35,525 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 12:56:35,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 12:56:35,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:56:35" (1/2) ... [2021-06-17 12:56:35,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dbf926f and model type unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 12:56:35, skipping insertion in model container [2021-06-17 12:56:35,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 12:56:35" (2/2) ... [2021-06-17 12:56:35,529 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-5.wvr.bpl [2021-06-17 12:56:35,533 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 12:56:35,533 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 12:56:35,533 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 12:56:35,533 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 12:56:35,550 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-17 12:56:35,564 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-17 12:56:35,599 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 12:56:35,599 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 12:56:35,599 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 12:56:35,600 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 12:56:35,600 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 12:56:35,600 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 12:56:35,600 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 12:56:35,600 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 12:56:35,629 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:56:35,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:56:35,632 INFO L82 PathProgramCache]: Analyzing trace with hash -1410234451, now seen corresponding path program 1 times [2021-06-17 12:56:35,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:56:35,638 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305915156] [2021-06-17 12:56:35,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:56:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:56:35,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:56:35,727 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:56:35,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305915156] [2021-06-17 12:56:35,729 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305915156] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 12:56:35,729 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 12:56:35,729 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-17 12:56:35,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073571339] [2021-06-17 12:56:35,732 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 12:56:35,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:56:35,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 12:56:35,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 12:56:35,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:56:35,745 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:56:35,747 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:56:35,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:56:35,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:56:35,777 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 12:56:35,777 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:56:35,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:56:35,780 INFO L82 PathProgramCache]: Analyzing trace with hash 731220617, now seen corresponding path program 1 times [2021-06-17 12:56:35,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:56:35,781 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229559506] [2021-06-17 12:56:35,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:56:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:56:35,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:56:35,825 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:56:35,825 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229559506] [2021-06-17 12:56:35,825 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229559506] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:56:35,825 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534083819] [2021-06-17 12:56:35,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:56:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:56:35,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-17 12:56:35,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:56:35,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:56:35,946 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534083819] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:56:35,946 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:56:35,946 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-17 12:56:35,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875405508] [2021-06-17 12:56:35,947 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-17 12:56:35,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:56:35,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-17 12:56:35,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-17 12:56:35,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:56:35,952 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:56:35,952 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:56:35,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:56:35,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:56:35,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:56:35,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:36,207 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:56:36,208 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:56:36,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:56:36,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1193727660, now seen corresponding path program 1 times [2021-06-17 12:56:36,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:56:36,209 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760820710] [2021-06-17 12:56:36,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:56:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:56:36,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 12:56:36,258 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:56:36,258 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760820710] [2021-06-17 12:56:36,258 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760820710] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:56:36,258 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020041461] [2021-06-17 12:56:36,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:56:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:56:36,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-17 12:56:36,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:56:36,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 12:56:36,315 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2020041461] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:56:36,315 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:56:36,315 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-17 12:56:36,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910841959] [2021-06-17 12:56:36,316 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 12:56:36,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:56:36,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 12:56:36,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 12:56:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:56:36,316 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:56:36,317 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:56:36,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:56:36,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:36,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:56:36,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:56:36,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:36,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:36,536 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:56:36,537 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:56:36,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:56:36,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1842713224, now seen corresponding path program 2 times [2021-06-17 12:56:36,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:56:36,538 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114970223] [2021-06-17 12:56:36,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:56:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:56:36,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 12:56:36,603 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:56:36,603 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114970223] [2021-06-17 12:56:36,603 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114970223] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:56:36,603 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966852382] [2021-06-17 12:56:36,603 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:56:36,636 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 12:56:36,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 12:56:36,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-17 12:56:36,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:56:36,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 12:56:36,712 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966852382] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:56:36,712 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:56:36,712 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-06-17 12:56:36,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595092683] [2021-06-17 12:56:36,712 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-17 12:56:36,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:56:36,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-17 12:56:36,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-17 12:56:36,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:56:36,713 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:56:36,713 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:56:36,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:56:36,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:36,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:36,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:56:36,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:56:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:36,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:56:36,957 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:56:36,957 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:56:36,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:56:36,958 INFO L82 PathProgramCache]: Analyzing trace with hash 486429228, now seen corresponding path program 3 times [2021-06-17 12:56:36,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:56:36,958 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561452666] [2021-06-17 12:56:36,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:56:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:56:37,012 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 12:56:37,013 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:56:37,013 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561452666] [2021-06-17 12:56:37,013 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561452666] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:56:37,013 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13044257] [2021-06-17 12:56:37,013 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:56:37,052 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-17 12:56:37,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 12:56:37,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-17 12:56:37,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:56:37,100 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 12:56:37,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13044257] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:56:37,101 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:56:37,101 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-17 12:56:37,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826882761] [2021-06-17 12:56:37,101 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-17 12:56:37,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:56:37,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-17 12:56:37,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-17 12:56:37,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:56:37,102 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:56:37,102 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:56:37,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:56:37,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:37,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:37,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:56:37,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:56:37,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:56:37,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:37,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:37,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:56:37,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:56:37,337 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:56:37,337 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:56:37,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:56:37,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1391298312, now seen corresponding path program 4 times [2021-06-17 12:56:37,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:56:37,339 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227971283] [2021-06-17 12:56:37,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:56:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:56:37,434 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 12:56:37,434 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:56:37,434 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227971283] [2021-06-17 12:56:37,434 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227971283] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:56:37,434 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491411559] [2021-06-17 12:56:37,434 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:56:37,460 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 12:56:37,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 12:56:37,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-17 12:56:37,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:56:37,521 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 12:56:37,521 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491411559] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:56:37,521 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:56:37,521 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-06-17 12:56:37,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077835635] [2021-06-17 12:56:37,521 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-17 12:56:37,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:56:37,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-17 12:56:37,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-06-17 12:56:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:56:37,522 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:56:37,522 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:56:37,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:56:37,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:37,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:37,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:56:37,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:56:37,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:56:37,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:56:37,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:37,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:37,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:56:37,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:56:37,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:56:37,748 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:56:37,749 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:56:37,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:56:37,749 INFO L82 PathProgramCache]: Analyzing trace with hash -622531156, now seen corresponding path program 5 times [2021-06-17 12:56:37,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:56:37,750 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008763052] [2021-06-17 12:56:37,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:56:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:56:37,789 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:56:37,789 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:56:37,790 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008763052] [2021-06-17 12:56:37,790 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008763052] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:56:37,790 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956109697] [2021-06-17 12:56:37,790 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:56:37,818 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-17 12:56:37,818 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 12:56:37,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-17 12:56:37,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:56:37,991 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 12:56:37,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-06-17 12:56:38,189 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 12:56:38,190 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 12:56:38,191 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 12:56:38,191 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-06-17 12:56:38,196 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:56:38,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956109697] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:56:38,196 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:56:38,196 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2021-06-17 12:56:38,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994665101] [2021-06-17 12:56:38,201 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-17 12:56:38,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:56:38,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-17 12:56:38,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-06-17 12:56:38,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:56:38,203 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:56:38,203 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:56:38,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:56:38,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:38,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:38,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:56:38,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:56:38,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:56:38,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:56:38,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:56:38,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:38,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:38,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:56:38,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:56:38,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:56:38,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 12:56:38,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:56:38,457 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:56:38,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:56:38,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1373264776, now seen corresponding path program 6 times [2021-06-17 12:56:38,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:56:38,458 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103513481] [2021-06-17 12:56:38,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:56:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:56:38,518 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:56:38,518 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:56:38,518 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103513481] [2021-06-17 12:56:38,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103513481] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:56:38,518 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345899256] [2021-06-17 12:56:38,518 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:56:38,543 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-17 12:56:38,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 12:56:38,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-17 12:56:38,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:56:38,594 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:56:38,594 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345899256] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:56:38,594 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:56:38,594 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-06-17 12:56:38,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140778088] [2021-06-17 12:56:38,595 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-17 12:56:38,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:56:38,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-17 12:56:38,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-06-17 12:56:38,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:56:38,595 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:56:38,595 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) [2021-06-17 12:56:38,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:56:38,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:38,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:38,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:56:38,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:56:38,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:56:38,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 12:56:38,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:56:38,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:56:38,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:38,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:38,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:56:38,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:56:38,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:56:38,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 12:56:38,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:56:38,904 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-06-17 12:56:38,905 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:56:38,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:56:38,905 INFO L82 PathProgramCache]: Analyzing trace with hash -377739891, now seen corresponding path program 7 times [2021-06-17 12:56:38,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:56:38,905 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275012821] [2021-06-17 12:56:38,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:56:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:56:38,978 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 12:56:38,978 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:56:38,978 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275012821] [2021-06-17 12:56:38,978 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275012821] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:56:38,979 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431720171] [2021-06-17 12:56:38,979 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:56:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:56:39,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-17 12:56:39,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:56:39,071 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 12:56:39,072 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431720171] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:56:39,072 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:56:39,072 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-06-17 12:56:39,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732055208] [2021-06-17 12:56:39,072 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-17 12:56:39,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:56:39,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-17 12:56:39,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-06-17 12:56:39,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:56:39,073 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:56:39,073 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:56:39,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:56:39,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:39,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:39,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:56:39,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:56:39,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:56:39,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 12:56:39,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:56:39,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:56:39,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:56:39,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:39,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:39,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:56:39,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:56:39,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:56:39,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 12:56:39,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:56:39,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:56:39,416 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:56:39,417 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:56:39,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:56:39,417 INFO L82 PathProgramCache]: Analyzing trace with hash 2026736745, now seen corresponding path program 8 times [2021-06-17 12:56:39,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:56:39,418 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066319817] [2021-06-17 12:56:39,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:56:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:56:39,527 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 12:56:39,528 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:56:39,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066319817] [2021-06-17 12:56:39,528 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066319817] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:56:39,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418764911] [2021-06-17 12:56:39,529 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:56:39,557 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 12:56:39,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 12:56:39,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-17 12:56:39,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:56:39,654 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 12:56:39,655 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418764911] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:56:39,655 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:56:39,655 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-06-17 12:56:39,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088354380] [2021-06-17 12:56:39,655 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-17 12:56:39,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:56:39,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-17 12:56:39,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-06-17 12:56:39,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:56:39,656 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:56:39,656 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:56:39,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:56:39,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:39,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:39,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:56:39,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:56:39,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:56:39,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 12:56:39,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:56:39,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:56:39,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:56:39,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:56:39,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:39,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:39,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:56:39,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:56:39,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:56:39,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 12:56:39,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:56:39,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:56:39,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 12:56:40,040 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:56:40,041 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:56:40,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:56:40,041 INFO L82 PathProgramCache]: Analyzing trace with hash -743898867, now seen corresponding path program 9 times [2021-06-17 12:56:40,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:56:40,042 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171119537] [2021-06-17 12:56:40,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:56:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:56:40,146 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 12:56:40,147 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:56:40,147 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171119537] [2021-06-17 12:56:40,147 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171119537] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:56:40,147 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277934102] [2021-06-17 12:56:40,147 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:56:40,185 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-17 12:56:40,185 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 12:56:40,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-17 12:56:40,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:56:40,285 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 12:56:40,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277934102] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:56:40,286 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:56:40,286 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-06-17 12:56:40,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507437328] [2021-06-17 12:56:40,286 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-17 12:56:40,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:56:40,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-17 12:56:40,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-06-17 12:56:40,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:56:40,287 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:56:40,287 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:56:40,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:56:40,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:40,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:40,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:56:40,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:56:40,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:56:40,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 12:56:40,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:56:40,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:56:40,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 12:56:40,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:56:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:56:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:56:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:56:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:56:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 12:56:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:56:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:56:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 12:56:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:56:40,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-06-17 12:56:40,653 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:56:40,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:56:40,653 INFO L82 PathProgramCache]: Analyzing trace with hash -734256919, now seen corresponding path program 10 times [2021-06-17 12:56:40,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:56:40,654 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122283559] [2021-06-17 12:56:40,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:56:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:56:40,761 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 12:56:40,761 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:56:40,761 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122283559] [2021-06-17 12:56:40,762 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122283559] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:56:40,762 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685222208] [2021-06-17 12:56:40,762 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:56:40,797 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 12:56:40,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 12:56:40,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-17 12:56:40,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:56:40,931 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 12:56:40,932 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685222208] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:56:40,932 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:56:40,932 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-06-17 12:56:40,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622143750] [2021-06-17 12:56:40,932 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-17 12:56:40,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:56:40,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-17 12:56:40,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2021-06-17 12:56:40,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:56:40,933 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:56:40,933 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) [2021-06-17 12:56:40,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:56:40,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:40,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:40,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:56:40,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:56:40,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:56:40,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 12:56:40,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:56:40,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:56:40,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 12:56:40,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:56:40,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:56:41,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:56:41,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:41,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:56:41,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:56:41,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:56:41,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:56:41,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 12:56:41,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:56:41,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:56:41,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 12:56:41,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:56:41,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 12:56:41,300 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-06-17 12:56:41,301 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:56:41,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:56:41,301 INFO L82 PathProgramCache]: Analyzing trace with hash -435356531, now seen corresponding path program 11 times [2021-06-17 12:56:41,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:56:41,301 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484292471] [2021-06-17 12:56:41,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:56:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:56:41,392 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:56:41,393 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:56:41,393 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484292471] [2021-06-17 12:56:41,393 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484292471] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:56:41,393 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244836519] [2021-06-17 12:56:41,393 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:56:41,422 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-17 12:56:41,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 12:56:41,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-17 12:56:41,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:56:41,819 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-17 12:56:41,819 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 12:56:41,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-06-17 12:56:42,870 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 230 [2021-06-17 12:56:43,028 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2021-06-17 12:56:43,163 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2021-06-17 12:56:43,332 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 263 [2021-06-17 12:56:43,844 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 327 [2021-06-17 12:56:44,207 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 318 [2021-06-17 12:56:44,485 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 275 [2021-06-17 12:56:45,492 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 246 [2021-06-17 12:56:45,653 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 263 [2021-06-17 12:56:45,799 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 213 [2021-06-17 12:56:47,373 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 203 [2021-06-17 12:56:47,539 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 222 [2021-06-17 12:56:47,823 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 300 [2021-06-17 12:56:48,227 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 326 [2021-06-17 12:56:49,327 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 236 [2021-06-17 12:56:49,533 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 260 [2021-06-17 12:56:49,783 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 307 [2021-06-17 12:56:50,433 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 183 [2021-06-17 12:56:50,585 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 202 [2021-06-17 12:56:50,757 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 220 [2021-06-17 12:56:50,949 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 229 [2021-06-17 12:56:51,484 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 431 [2021-06-17 12:56:52,415 WARN L205 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 806 DAG size of output: 631 [2021-06-17 12:56:53,517 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 835 DAG size of output: 670 [2021-06-17 12:56:54,979 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 969 DAG size of output: 794 [2021-06-17 12:56:56,685 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 979 DAG size of output: 806 [2021-06-17 12:56:58,712 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 1051 DAG size of output: 859 [2021-06-17 12:57:01,048 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 1150 DAG size of output: 926 [2021-06-17 12:57:01,262 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 268 [2021-06-17 12:57:01,456 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 269 [2021-06-17 12:57:01,631 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 254 [2021-06-17 12:57:02,490 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 220 [2021-06-17 12:57:02,850 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 247 [2021-06-17 12:57:03,066 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 254 [2021-06-17 12:57:04,294 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 191 [2021-06-17 12:57:04,700 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 227 [2021-06-17 12:57:04,965 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 234 [2021-06-17 12:57:05,485 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 367 [2021-06-17 12:57:06,064 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 370 [2021-06-17 12:57:06,783 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 432 [2021-06-17 12:57:10,232 WARN L205 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 1529 DAG size of output: 1137 [2021-06-17 12:57:13,695 WARN L205 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 1529 DAG size of output: 1137 [2021-06-17 12:57:17,537 WARN L205 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 1540 DAG size of output: 1148 [2021-06-17 12:57:17,681 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 1144 [2021-06-17 12:57:21,393 WARN L205 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 1146 DAG size of output: 1191 [2021-06-17 12:57:24,510 WARN L205 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 1072 DAG size of output: 1162 [2021-06-17 12:57:27,368 WARN L205 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 1062 DAG size of output: 1243 [2021-06-17 12:57:27,893 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 581 [2021-06-17 12:57:28,141 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 342 [2021-06-17 12:57:28,568 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 211 [2021-06-17 12:57:29,077 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 221 [2021-06-17 12:57:29,269 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 264 [2021-06-17 12:57:29,661 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 382 [2021-06-17 12:57:30,346 WARN L205 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 738 DAG size of output: 556 [2021-06-17 12:57:31,260 WARN L205 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 898 DAG size of output: 650 [2021-06-17 12:57:32,553 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1089 DAG size of output: 754 [2021-06-17 12:57:33,837 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1089 DAG size of output: 754 [2021-06-17 12:57:35,479 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 1094 DAG size of output: 478 [2021-06-17 12:57:35,754 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 290 [2021-06-17 12:57:35,935 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2021-06-17 12:57:36,328 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 221 [2021-06-17 12:57:36,439 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 221 [2021-06-17 12:57:36,558 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 224 [2021-06-17 12:57:36,984 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 12:57:36,985 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 12:57:36,986 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 12:57:36,986 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-06-17 12:57:36,989 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:57:36,989 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244836519] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:57:36,989 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:57:36,990 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 24 [2021-06-17 12:57:36,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619004784] [2021-06-17 12:57:36,990 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-17 12:57:36,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:57:36,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-17 12:57:36,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-06-17 12:57:36,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:57:36,991 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:57:36,991 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.52) internal successors, (38), 24 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:57:36,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:57:36,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:57:36,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:57:36,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:57:36,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:57:36,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:57:36,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 12:57:36,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:57:36,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:57:36,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 12:57:36,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:57:36,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 12:57:36,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:57:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:57:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:57:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:57:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:57:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:57:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:57:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 12:57:37,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:57:37,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:57:37,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 12:57:37,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:57:37,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 12:57:37,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:57:37,309 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-06-17 12:57:37,309 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:57:37,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:57:37,309 INFO L82 PathProgramCache]: Analyzing trace with hash 240620905, now seen corresponding path program 12 times [2021-06-17 12:57:37,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:57:37,310 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758240018] [2021-06-17 12:57:37,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:57:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:57:37,432 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 45 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:57:37,433 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:57:37,433 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758240018] [2021-06-17 12:57:37,433 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758240018] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:57:37,433 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155243602] [2021-06-17 12:57:37,433 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:57:37,466 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-17 12:57:37,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 12:57:37,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-17 12:57:37,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:57:37,521 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 55 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:57:37,521 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155243602] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:57:37,521 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:57:37,521 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2021-06-17 12:57:37,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401581506] [2021-06-17 12:57:37,522 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-17 12:57:37,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:57:37,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-17 12:57:37,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-06-17 12:57:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:57:37,523 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:57:37,523 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) [2021-06-17 12:57:37,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:57:37,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:57:37,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:57:37,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:57:37,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:57:37,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:57:37,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 12:57:37,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:57:37,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:57:37,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 12:57:37,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:57:37,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 12:57:37,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:57:37,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:57:37,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:57:37,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:57:37,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:57:37,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:57:37,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:57:37,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:57:37,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 12:57:37,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:57:37,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:57:37,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 12:57:37,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:57:37,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 12:57:37,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:57:37,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 12:57:37,888 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1520,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:57:37,890 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:57:37,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:57:37,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1129961524, now seen corresponding path program 13 times [2021-06-17 12:57:37,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:57:37,890 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156564378] [2021-06-17 12:57:37,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:57:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:57:38,036 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-17 12:57:38,036 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:57:38,036 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156564378] [2021-06-17 12:57:38,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156564378] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:57:38,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342749843] [2021-06-17 12:57:38,037 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:57:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:57:38,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-17 12:57:38,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:57:38,207 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-17 12:57:38,208 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342749843] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:57:38,208 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:57:38,208 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-06-17 12:57:38,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539746625] [2021-06-17 12:57:38,208 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-17 12:57:38,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:57:38,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-17 12:57:38,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2021-06-17 12:57:38,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:57:38,209 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:57:38,209 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:57:38,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:57:38,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:57:38,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:57:38,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:57:38,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:57:38,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:57:38,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 12:57:38,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:57:38,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:57:38,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 12:57:38,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:57:38,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 12:57:38,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:57:38,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 12:57:38,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:57:38,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:57:38,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:57:38,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:57:38,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:57:38,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:57:38,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:57:38,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 12:57:38,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:57:38,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:57:38,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 12:57:38,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:57:38,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 12:57:38,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:57:38,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 12:57:38,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 12:57:38,779 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1521 [2021-06-17 12:57:38,779 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:57:38,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:57:38,779 INFO L82 PathProgramCache]: Analyzing trace with hash -55707224, now seen corresponding path program 14 times [2021-06-17 12:57:38,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:57:38,779 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021769341] [2021-06-17 12:57:38,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:57:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:57:38,930 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-17 12:57:38,931 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:57:38,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021769341] [2021-06-17 12:57:38,931 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021769341] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:57:38,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7848036] [2021-06-17 12:57:38,931 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:57:38,963 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 12:57:38,963 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 12:57:38,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-17 12:57:38,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:57:39,132 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-17 12:57:39,132 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [7848036] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:57:39,132 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:57:39,132 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2021-06-17 12:57:39,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126778338] [2021-06-17 12:57:39,133 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-17 12:57:39,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:57:39,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-17 12:57:39,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-06-17 12:57:39,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:57:39,133 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:57:39,133 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 25 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:57:39,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:57:39,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:57:39,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:57:39,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:57:39,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:57:39,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:57:39,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 12:57:39,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:57:39,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:57:39,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 12:57:39,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:57:39,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 12:57:39,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:57:39,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 12:57:39,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 12:57:39,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:57:39,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:57:39,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:57:39,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:57:39,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:57:39,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:57:39,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:57:39,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 12:57:39,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:57:39,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:57:39,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 12:57:39,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:57:39,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 12:57:39,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:57:39,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 12:57:39,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 12:57:39,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 12:57:39,720 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1522,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:57:39,721 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:57:39,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:57:39,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1113562292, now seen corresponding path program 15 times [2021-06-17 12:57:39,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:57:39,721 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938166207] [2021-06-17 12:57:39,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:57:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:57:39,885 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-17 12:57:39,886 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:57:39,886 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938166207] [2021-06-17 12:57:39,886 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938166207] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:57:39,886 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649673509] [2021-06-17 12:57:39,886 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 12:57:39,952 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-17 12:57:39,952 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 12:57:39,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-17 12:57:39,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:57:40,182 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-17 12:57:40,182 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649673509] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:57:40,182 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:57:40,182 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2021-06-17 12:57:40,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46343119] [2021-06-17 12:57:40,183 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-17 12:57:40,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:57:40,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-17 12:57:40,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-17 12:57:40,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:57:40,183 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:57:40,184 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:57:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:57:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:57:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:57:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:57:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:57:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:57:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 12:57:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:57:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:57:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 12:57:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:57:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 12:57:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:57:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 12:57:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 12:57:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 12:57:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:57:40,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:57:40,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:57:40,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:57:40,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:57:40,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:57:40,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:57:40,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 12:57:40,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:57:40,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:57:40,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 12:57:40,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:57:40,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 12:57:40,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:57:40,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 12:57:40,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 12:57:40,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 12:57:40,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 12:57:40,839 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1523 [2021-06-17 12:57:40,839 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:57:40,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:57:40,839 INFO L82 PathProgramCache]: Analyzing trace with hash 452668968, now seen corresponding path program 16 times [2021-06-17 12:57:40,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:57:40,839 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134158175] [2021-06-17 12:57:40,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:57:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:57:41,038 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-17 12:57:41,038 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:57:41,038 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134158175] [2021-06-17 12:57:41,038 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134158175] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:57:41,038 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781180960] [2021-06-17 12:57:41,038 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 [2021-06-17 12:57:41,066 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 12:57:41,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 12:57:41,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-17 12:57:41,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:57:41,287 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-17 12:57:41,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781180960] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:57:41,287 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 12:57:41,287 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2021-06-17 12:57:41,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971574649] [2021-06-17 12:57:41,288 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-17 12:57:41,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:57:41,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-17 12:57:41,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=800, Unknown=0, NotChecked=0, Total=870 [2021-06-17 12:57:41,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:57:41,288 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:57:41,288 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 29 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 12:57:41,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:57:41,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:57:41,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:57:41,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:57:41,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:57:41,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:57:41,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 12:57:41,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:57:41,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:57:41,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 12:57:41,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:57:41,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 12:57:41,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:57:41,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 12:57:41,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 12:57:41,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 12:57:41,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 12:57:41,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:57:41,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 12:57:41,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:57:41,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 12:57:41,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 12:57:41,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 12:57:41,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:57:41,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 12:57:41,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:57:41,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:57:41,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 12:57:41,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:57:41,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 12:57:41,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:57:41,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 12:57:41,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 12:57:41,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 12:57:41,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 12:57:41,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 12:57:42,024 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1524 [2021-06-17 12:57:42,025 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 12:57:42,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:57:42,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1761197772, now seen corresponding path program 17 times [2021-06-17 12:57:42,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:57:42,025 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375612781] [2021-06-17 12:57:42,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:57:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:57:42,173 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:57:42,173 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:57:42,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375612781] [2021-06-17 12:57:42,173 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375612781] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 12:57:42,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1788895568] [2021-06-17 12:57:42,173 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 [2021-06-17 12:57:42,204 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-17 12:57:42,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 12:57:42,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 43 conjunts are in the unsatisfiable core [2021-06-17 12:57:42,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 12:57:43,238 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2021-06-17 12:57:43,238 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 12:57:43,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 29 new quantified variables, introduced 105 case distinctions, treesize of input 67 treesize of output 889 [2021-06-17 12:57:44,799 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-06-17 12:57:45,000 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 331 [2021-06-17 12:57:46,633 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 307 [2021-06-17 12:57:46,912 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 379 [2021-06-17 12:57:47,250 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 413 [2021-06-17 12:57:47,896 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 526 [2021-06-17 12:57:49,328 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 343 [2021-06-17 12:57:50,027 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 293 [2021-06-17 12:57:50,823 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 323 [2021-06-17 12:57:51,107 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 402 [2021-06-17 12:57:51,698 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 513 [2021-06-17 12:57:52,380 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 545 [2021-06-17 12:57:53,838 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 355 [2021-06-17 12:57:54,939 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 294 [2021-06-17 12:57:55,379 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 441 [2021-06-17 12:57:55,907 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 474 [2021-06-17 12:57:57,336 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1000 DAG size of output: 761 [2021-06-17 12:57:59,690 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 1330 DAG size of output: 1025 [2021-06-17 12:58:02,166 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 1340 DAG size of output: 1035 [2021-06-17 12:58:04,906 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 1371 DAG size of output: 1067 [2021-06-17 12:58:08,022 WARN L205 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 1404 DAG size of output: 1101 [2021-06-17 12:58:09,163 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 351 [2021-06-17 12:58:10,021 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 306 [2021-06-17 12:58:10,425 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 448 [2021-06-17 12:58:10,909 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 481 [2021-06-17 12:58:12,507 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 301 [2021-06-17 12:58:12,768 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 373 [2021-06-17 12:58:13,078 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 407 [2021-06-17 12:58:14,024 WARN L205 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 714 DAG size of output: 649 [2021-06-17 12:58:14,709 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 291 [2021-06-17 12:58:15,462 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 319 [2021-06-17 12:58:15,741 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 398 [2021-06-17 12:58:17,089 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 343 [2021-06-17 12:58:17,698 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 525 [2021-06-17 12:58:18,400 WARN L205 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 663 DAG size of output: 557 [2021-06-17 12:58:19,227 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 325 [2021-06-17 12:58:19,971 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 311 [2021-06-17 12:58:20,127 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 351 [2021-06-17 12:58:20,483 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 443 [2021-06-17 12:58:21,207 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 314 [2021-06-17 12:58:21,877 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 288 [2021-06-17 12:58:22,142 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 390 [2021-06-17 12:58:22,883 WARN L205 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 701 DAG size of output: 595 [2021-06-17 12:58:23,769 WARN L205 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 626 [2021-06-17 12:58:25,605 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 1116 DAG size of output: 898 [2021-06-17 12:58:28,758 WARN L205 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 1544 DAG size of output: 1253 [2021-06-17 12:58:31,978 WARN L205 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 1554 DAG size of output: 1263 [2021-06-17 12:58:35,611 WARN L205 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 1584 DAG size of output: 1293 [2021-06-17 12:58:39,785 WARN L205 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 1616 DAG size of output: 1326 [2021-06-17 12:58:48,005 WARN L205 SmtUtils]: Spent 8.21 s on a formula simplification. DAG size of input: 2667 DAG size of output: 2084 [2021-06-17 12:58:57,163 WARN L205 SmtUtils]: Spent 9.14 s on a formula simplification. DAG size of input: 2697 DAG size of output: 2115 [2021-06-17 12:59:06,326 WARN L205 SmtUtils]: Spent 9.15 s on a formula simplification. DAG size of input: 2697 DAG size of output: 2115 [2021-06-17 12:59:17,476 WARN L205 SmtUtils]: Spent 11.14 s on a formula simplification. DAG size of input: 2722 DAG size of output: 2140 [2021-06-17 12:59:44,464 WARN L205 SmtUtils]: Spent 26.97 s on a formula simplification. DAG size of input: 2142 DAG size of output: 3536 [2021-06-17 12:59:46,787 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 2084 DAG size of output: 2084 [2021-06-17 12:59:50,438 WARN L205 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 1320 DAG size of output: 1844 [2021-06-17 12:59:57,692 WARN L205 SmtUtils]: Spent 7.24 s on a formula simplification. DAG size of input: 1316 DAG size of output: 1538 [2021-06-17 13:00:06,074 WARN L205 SmtUtils]: Spent 8.37 s on a formula simplification. DAG size of input: 1306 DAG size of output: 2171 [2021-06-17 13:00:13,636 WARN L205 SmtUtils]: Spent 7.55 s on a formula simplification. DAG size of input: 1272 DAG size of output: 1665 [2021-06-17 13:00:22,458 WARN L205 SmtUtils]: Spent 8.81 s on a formula simplification. DAG size of input: 1269 DAG size of output: 1672 [2021-06-17 13:00:22,736 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 1203 DAG size of output: 1203 [2021-06-17 13:00:23,302 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 348 [2021-06-17 13:00:23,450 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 373 [2021-06-17 13:00:23,632 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 402 [2021-06-17 13:00:23,859 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 439 [2021-06-17 13:00:24,456 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2021-06-17 13:00:24,601 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 360 [2021-06-17 13:00:24,770 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 394 [2021-06-17 13:00:25,245 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 696 DAG size of output: 665 [2021-06-17 13:00:25,747 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 709 DAG size of output: 678 [2021-06-17 13:00:26,327 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 356 [2021-06-17 13:00:26,478 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 381 [2021-06-17 13:00:26,668 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 412 [2021-06-17 13:00:27,305 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 339 [2021-06-17 13:00:27,461 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 370 [2021-06-17 13:00:27,894 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 634 [2021-06-17 13:00:28,326 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 646 [2021-06-17 13:00:29,436 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1205 DAG size of output: 1143 [2021-06-17 13:00:30,289 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 395 [2021-06-17 13:00:30,473 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 406 [2021-06-17 13:00:31,473 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 421 [2021-06-17 13:00:31,684 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 433 [2021-06-17 13:00:32,168 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 693 DAG size of output: 682 [2021-06-17 13:00:33,825 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1717 DAG size of output: 1601 [2021-06-17 13:00:34,460 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 314 [2021-06-17 13:00:34,605 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 324 [2021-06-17 13:00:35,453 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 345 [2021-06-17 13:00:35,613 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 356 [2021-06-17 13:00:35,964 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 525 [2021-06-17 13:00:36,769 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 341 [2021-06-17 13:00:37,343 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 802 DAG size of output: 713 [2021-06-17 13:00:39,987 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 2072 DAG size of output: 1911 [2021-06-17 13:00:45,122 WARN L205 SmtUtils]: Spent 5.12 s on a formula simplification. DAG size of input: 1178 DAG size of output: 1596 [2021-06-17 13:00:49,279 WARN L205 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 1102 DAG size of output: 1398 [2021-06-17 13:00:52,299 WARN L205 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 1101 DAG size of output: 1312 [2021-06-17 13:00:56,473 WARN L205 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 1095 DAG size of output: 1408 [2021-06-17 13:00:56,747 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 1091 [2021-06-17 13:00:57,635 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 321 [2021-06-17 13:00:57,779 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 350 [2021-06-17 13:00:58,043 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 386 [2021-06-17 13:00:58,376 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 412 [2021-06-17 13:00:59,227 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 303 [2021-06-17 13:00:59,429 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 332 [2021-06-17 13:01:00,039 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 597 [2021-06-17 13:01:00,399 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 457 [2021-06-17 13:01:00,730 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 444 [2021-06-17 13:01:01,026 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 281 [2021-06-17 13:01:02,071 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 284 [2021-06-17 13:01:02,572 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 239 [2021-06-17 13:01:03,041 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 304 [2021-06-17 13:01:03,531 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 419 [2021-06-17 13:01:04,223 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 245 [2021-06-17 13:01:05,029 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 243 [2021-06-17 13:01:05,242 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 308 [2021-06-17 13:01:05,692 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 402 [2021-06-17 13:01:06,779 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 566 DAG size of output: 586 [2021-06-17 13:01:08,162 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 610 DAG size of output: 648 [2021-06-17 13:01:09,166 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2021-06-17 13:01:09,403 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 270 [2021-06-17 13:01:09,738 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 308 [2021-06-17 13:01:10,254 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 199 [2021-06-17 13:01:10,521 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2021-06-17 13:01:11,154 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 380 [2021-06-17 13:01:13,605 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 849 DAG size of output: 882 [2021-06-17 13:01:13,973 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 410 [2021-06-17 13:01:14,209 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 342 [2021-06-17 13:01:15,138 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 224 [2021-06-17 13:01:15,989 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 338 [2021-06-17 13:01:16,602 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 229 [2021-06-17 13:01:17,078 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 412 [2021-06-17 13:01:17,755 WARN L205 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 515 [2021-06-17 13:01:18,502 WARN L205 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 526 [2021-06-17 13:01:19,232 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 236 [2021-06-17 13:01:19,909 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 306 [2021-06-17 13:01:20,249 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 377 [2021-06-17 13:01:20,819 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 260 [2021-06-17 13:01:21,334 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 302 [2021-06-17 13:01:22,205 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 281 [2021-06-17 13:01:22,604 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 377 [2021-06-17 13:01:23,425 WARN L205 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 587 [2021-06-17 13:01:25,278 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 946 DAG size of output: 855 [2021-06-17 13:01:27,638 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 1051 DAG size of output: 957 [2021-06-17 13:01:27,789 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 278 [2021-06-17 13:01:27,933 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 290 [2021-06-17 13:01:28,063 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 285 [2021-06-17 13:01:29,066 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 252 [2021-06-17 13:01:29,266 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 316 [2021-06-17 13:01:29,550 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 389 [2021-06-17 13:01:29,906 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 405 [2021-06-17 13:01:30,548 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 267 [2021-06-17 13:01:30,763 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 320 [2021-06-17 13:01:31,344 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 281 [2021-06-17 13:01:31,720 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 401 [2021-06-17 13:01:32,550 WARN L205 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 562 [2021-06-17 13:01:33,132 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2021-06-17 13:01:33,267 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 292 [2021-06-17 13:01:34,014 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 318 [2021-06-17 13:01:34,337 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 410 [2021-06-17 13:01:35,010 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 261 [2021-06-17 13:01:35,211 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 320 [2021-06-17 13:01:35,711 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 279 [2021-06-17 13:01:35,864 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 300 [2021-06-17 13:01:36,237 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 418 [2021-06-17 13:01:37,006 WARN L205 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 566 [2021-06-17 13:01:38,792 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1051 DAG size of output: 864 [2021-06-17 13:01:40,948 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 1113 DAG size of output: 917 [2021-06-17 13:01:41,616 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 261 [2021-06-17 13:01:42,151 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 284 [2021-06-17 13:01:42,407 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 359 [2021-06-17 13:01:43,043 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 296 [2021-06-17 13:01:43,524 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 265 [2021-06-17 13:01:43,792 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 375 [2021-06-17 13:01:44,384 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 503 [2021-06-17 13:01:45,120 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 235 [2021-06-17 13:01:45,328 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 264 [2021-06-17 13:01:45,852 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 242 [2021-06-17 13:01:46,219 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 325 [2021-06-17 13:01:46,749 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 438 [2021-06-17 13:01:48,014 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 749 DAG size of output: 750 [2021-06-17 13:01:49,601 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 800 DAG size of output: 800 [2021-06-17 13:01:53,935 WARN L205 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 1555 DAG size of output: 1414 [2021-06-17 13:02:01,586 WARN L205 SmtUtils]: Spent 7.64 s on a formula simplification. DAG size of input: 2320 DAG size of output: 2079 [2021-06-17 13:02:10,658 WARN L205 SmtUtils]: Spent 9.06 s on a formula simplification. DAG size of input: 2889 DAG size of output: 2253 [2021-06-17 13:02:11,161 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 243 [2021-06-17 13:02:11,284 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 257 [2021-06-17 13:02:11,429 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 267 [2021-06-17 13:02:22,030 WARN L205 SmtUtils]: Spent 10.60 s on a formula simplification. DAG size of input: 3026 DAG size of output: 2377 [2021-06-17 13:02:22,702 WARN L205 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 514 [2021-06-17 13:02:23,511 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2021-06-17 13:02:24,431 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 209 [2021-06-17 13:02:24,668 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 271 [2021-06-17 13:02:24,999 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 311 [2021-06-17 13:02:25,556 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 380 [2021-06-17 13:02:25,760 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 316 [2021-06-17 13:02:25,911 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 323 [2021-06-17 13:02:26,042 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 303 [2021-06-17 13:02:26,735 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 243 [2021-06-17 13:02:26,879 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 305 [2021-06-17 13:02:27,468 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 256 [2021-06-17 13:02:28,015 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 312 [2021-06-17 13:02:28,432 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 436 [2021-06-17 13:02:29,284 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 256 [2021-06-17 13:02:29,478 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 306 [2021-06-17 13:02:30,276 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 300 [2021-06-17 13:02:30,684 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 430 [2021-06-17 13:02:31,597 WARN L205 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 618 [2021-06-17 13:02:31,733 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 307 [2021-06-17 13:02:32,344 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 225 [2021-06-17 13:02:32,478 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 283 [2021-06-17 13:02:32,637 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 302 [2021-06-17 13:02:33,471 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 279 [2021-06-17 13:02:33,884 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 420 [2021-06-17 13:02:34,047 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 358 [2021-06-17 13:02:34,919 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 302 [2021-06-17 13:02:35,040 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 332 [2021-06-17 13:02:35,192 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 316 [2021-06-17 13:02:35,686 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 294 [2021-06-17 13:02:35,971 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 346 [2021-06-17 13:02:36,446 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 442 [2021-06-17 13:02:37,430 WARN L205 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 734 DAG size of output: 616 [2021-06-17 13:02:39,522 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 1144 DAG size of output: 978 [2021-06-17 13:02:42,162 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 1236 DAG size of output: 1068 [2021-06-17 13:02:44,870 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 1461 DAG size of output: 976 [2021-06-17 13:02:48,372 WARN L205 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 1567 DAG size of output: 1074 [2021-06-17 13:02:48,769 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 389 [2021-06-17 13:02:49,001 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 388 [2021-06-17 13:02:49,250 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 388 [2021-06-17 13:02:49,497 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 435 [2021-06-17 13:02:49,859 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 446 [2021-06-17 13:02:50,002 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 370 [2021-06-17 13:02:50,232 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 386 [2021-06-17 13:02:50,870 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 300 [2021-06-17 13:02:51,137 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 352 [2021-06-17 13:02:51,667 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 455 [2021-06-17 13:02:51,955 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 373 [2021-06-17 13:02:52,742 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 293 [2021-06-17 13:02:53,082 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 308 [2021-06-17 13:02:53,509 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 401 [2021-06-17 13:02:54,481 WARN L205 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 774 DAG size of output: 636 [2021-06-17 13:02:54,759 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 459 [2021-06-17 13:02:55,133 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 466 [2021-06-17 13:02:55,664 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 260 [2021-06-17 13:02:56,216 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 340 [2021-06-17 13:02:56,705 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-06-17 13:02:57,243 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 497 [2021-06-17 13:02:57,553 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 393 [2021-06-17 13:02:57,681 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 347 [2021-06-17 13:02:57,872 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 348 [2021-06-17 13:02:58,469 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 261 [2021-06-17 13:02:58,704 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 319 [2021-06-17 13:02:59,168 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 408 [2021-06-17 13:03:00,179 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 831 DAG size of output: 681 [2021-06-17 13:03:02,390 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 1233 DAG size of output: 968 [2021-06-17 13:03:02,643 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 384 [2021-06-17 13:03:02,913 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 451 [2021-06-17 13:03:03,417 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 249 [2021-06-17 13:03:03,882 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 264 [2021-06-17 13:03:04,039 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 287 [2021-06-17 13:03:04,351 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 369 [2021-06-17 13:03:05,019 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 408 [2021-06-17 13:03:05,406 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 462 [2021-06-17 13:03:05,556 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 378 [2021-06-17 13:03:05,804 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 394 [2021-06-17 13:03:06,485 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 305 [2021-06-17 13:03:06,757 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 357 [2021-06-17 13:03:07,280 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 462 [2021-06-17 13:03:08,204 WARN L205 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 641 [2021-06-17 13:03:08,456 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 427 [2021-06-17 13:03:08,867 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 218 [2021-06-17 13:03:09,435 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 278 [2021-06-17 13:03:10,099 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 307 [2021-06-17 13:03:10,474 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 381 [2021-06-17 13:03:10,955 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 443 [2021-06-17 13:03:11,239 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 369 [2021-06-17 13:03:12,094 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 279 [2021-06-17 13:03:12,326 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 308 [2021-06-17 13:03:12,783 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 399 [2021-06-17 13:03:13,727 WARN L205 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 623 [2021-06-17 13:03:15,836 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 1208 DAG size of output: 945 [2021-06-17 13:03:20,623 WARN L205 SmtUtils]: Spent 4.78 s on a formula simplification. DAG size of input: 1884 DAG size of output: 1436 [2021-06-17 13:03:26,485 WARN L205 SmtUtils]: Spent 5.85 s on a formula simplification. DAG size of input: 2012 DAG size of output: 1581 [2021-06-17 13:03:27,326 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 293 [2021-06-17 13:03:27,522 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 304 [2021-06-17 13:03:34,571 WARN L205 SmtUtils]: Spent 7.04 s on a formula simplification. DAG size of input: 2189 DAG size of output: 1741 [2021-06-17 13:03:46,283 WARN L205 SmtUtils]: Spent 11.70 s on a formula simplification. DAG size of input: 3225 DAG size of output: 2355 [2021-06-17 13:04:10,291 WARN L205 SmtUtils]: Spent 23.99 s on a formula simplification. DAG size of input: 5151 DAG size of output: 3699 [2021-06-17 13:04:37,893 WARN L205 SmtUtils]: Spent 27.56 s on a formula simplification. DAG size of input: 5285 DAG size of output: 3839 [2021-06-17 13:04:38,921 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 218 [2021-06-17 13:04:39,087 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 228 [2021-06-17 13:04:39,744 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 438 [2021-06-17 13:04:40,863 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 245 [2021-06-17 13:04:41,105 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 307 [2021-06-17 13:04:41,691 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 252 [2021-06-17 13:04:42,216 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 318 [2021-06-17 13:04:42,741 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 459 [2021-06-17 13:04:43,420 WARN L205 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 514 [2021-06-17 13:04:44,011 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 338 [2021-06-17 13:04:45,057 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 701 DAG size of output: 702 [2021-06-17 13:04:45,776 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 207 [2021-06-17 13:04:46,130 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 260 [2021-06-17 13:04:46,948 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 274 [2021-06-17 13:04:47,396 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 405 [2021-06-17 13:04:47,952 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 460 [2021-06-17 13:04:48,528 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 338 [2021-06-17 13:04:49,457 WARN L205 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 635 [2021-06-17 13:04:50,573 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 659 DAG size of output: 679 [2021-06-17 13:04:53,062 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 937 DAG size of output: 1011 [2021-06-17 13:04:53,559 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 190 [2021-06-17 13:04:54,045 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 292 [2021-06-17 13:04:54,603 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 385 [2021-06-17 13:04:55,711 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2021-06-17 13:04:56,003 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 316 [2021-06-17 13:04:56,623 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 408 [2021-06-17 13:04:57,625 WARN L205 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 569 [2021-06-17 13:05:00,998 WARN L205 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 1202 DAG size of output: 1222 [2021-06-17 13:05:01,359 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 376 [2021-06-17 13:05:01,623 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 363 [2021-06-17 13:05:01,876 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 418 [2021-06-17 13:05:02,209 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 373 [2021-06-17 13:05:02,852 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 292 [2021-06-17 13:05:03,090 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 331 [2021-06-17 13:05:04,053 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 282 [2021-06-17 13:05:04,448 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 431 [2021-06-17 13:05:04,675 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 394 [2021-06-17 13:05:05,626 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 280 [2021-06-17 13:05:05,733 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 328 [2021-06-17 13:05:06,676 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 278 [2021-06-17 13:05:06,887 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 315 [2021-06-17 13:05:07,251 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 414 [2021-06-17 13:05:08,153 WARN L205 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 627 [2021-06-17 13:05:08,375 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 361 [2021-06-17 13:05:08,589 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 392 [2021-06-17 13:05:09,573 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 280 [2021-06-17 13:05:09,782 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 315 [2021-06-17 13:05:10,688 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 278 [2021-06-17 13:05:11,039 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 411 [2021-06-17 13:05:11,268 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 416 [2021-06-17 13:05:12,051 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 241 [2021-06-17 13:05:12,205 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 280 [2021-06-17 13:05:12,310 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 344 [2021-06-17 13:05:12,522 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 371 [2021-06-17 13:05:13,153 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 293 [2021-06-17 13:05:13,383 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 330 [2021-06-17 13:05:13,780 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 430 [2021-06-17 13:05:14,644 WARN L205 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 865 DAG size of output: 624 [2021-06-17 13:05:16,649 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 1154 DAG size of output: 777 [2021-06-17 13:05:19,117 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 1272 DAG size of output: 894 [2021-06-17 13:05:25,988 WARN L205 SmtUtils]: Spent 6.86 s on a formula simplification. DAG size of input: 2242 DAG size of output: 1906 [2021-06-17 13:05:26,485 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 436 [2021-06-17 13:05:26,831 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 374 [2021-06-17 13:05:27,067 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 359 [2021-06-17 13:05:27,308 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 414 [2021-06-17 13:05:27,624 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 369 [2021-06-17 13:05:28,240 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 293 [2021-06-17 13:05:28,486 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 328 [2021-06-17 13:05:29,353 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 277 [2021-06-17 13:05:29,759 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 427 [2021-06-17 13:05:29,968 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 390 [2021-06-17 13:05:30,850 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 276 [2021-06-17 13:05:31,792 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 280 [2021-06-17 13:05:31,975 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 313 [2021-06-17 13:05:32,338 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 409 [2021-06-17 13:05:33,198 WARN L205 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 862 DAG size of output: 621 [2021-06-17 13:05:33,422 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 361 [2021-06-17 13:05:33,675 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 416 [2021-06-17 13:05:34,573 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 279 [2021-06-17 13:05:34,691 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 344 [2021-06-17 13:05:34,910 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 371 [2021-06-17 13:05:35,535 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 293 [2021-06-17 13:05:35,790 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 330 [2021-06-17 13:05:36,183 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 429 [2021-06-17 13:05:36,403 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 392 [2021-06-17 13:05:37,366 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 280 [2021-06-17 13:05:37,569 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 315 [2021-06-17 13:05:38,054 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 244 [2021-06-17 13:05:38,461 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 278 [2021-06-17 13:05:38,827 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 411 [2021-06-17 13:05:39,695 WARN L205 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 865 DAG size of output: 623 [2021-06-17 13:05:41,616 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 1157 DAG size of output: 759 [2021-06-17 13:05:43,960 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 1275 DAG size of output: 876 [2021-06-17 13:05:44,471 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 183 [2021-06-17 13:05:44,927 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 285 [2021-06-17 13:05:45,431 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 380 [2021-06-17 13:05:46,679 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 253 [2021-06-17 13:05:46,957 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 304 [2021-06-17 13:05:47,361 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 399 [2021-06-17 13:05:48,295 WARN L205 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 560 [2021-06-17 13:05:49,415 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 269 [2021-06-17 13:05:50,197 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 265 [2021-06-17 13:05:50,616 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2021-06-17 13:05:51,149 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 446 [2021-06-17 13:05:51,673 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 329 [2021-06-17 13:05:52,514 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 623 [2021-06-17 13:05:53,556 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 671 DAG size of output: 675 [2021-06-17 13:05:54,556 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2021-06-17 13:05:54,786 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 307 [2021-06-17 13:05:55,313 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 241 [2021-06-17 13:05:55,910 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 300 [2021-06-17 13:05:56,419 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 431 [2021-06-17 13:05:57,066 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 484 [2021-06-17 13:05:57,595 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 329 [2021-06-17 13:05:58,585 WARN L205 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 703 DAG size of output: 681 [2021-06-17 13:06:00,913 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 960 DAG size of output: 1007 [2021-06-17 13:06:04,108 WARN L205 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 1227 DAG size of output: 1204 [2021-06-17 13:06:10,576 WARN L205 SmtUtils]: Spent 6.46 s on a formula simplification. DAG size of input: 2273 DAG size of output: 1873 [2021-06-17 13:06:24,793 WARN L205 SmtUtils]: Spent 14.20 s on a formula simplification. DAG size of input: 3626 DAG size of output: 3012 [2021-06-17 13:06:41,143 WARN L205 SmtUtils]: Spent 16.32 s on a formula simplification. DAG size of input: 3733 DAG size of output: 3114 [2021-06-17 13:06:59,647 WARN L205 SmtUtils]: Spent 18.48 s on a formula simplification. DAG size of input: 3858 DAG size of output: 3216 [2021-06-17 13:07:49,669 WARN L205 SmtUtils]: Spent 49.99 s on a formula simplification. DAG size of input: 8350 DAG size of output: 6493 [2021-06-17 13:07:52,285 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 765 DAG size of output: 1165 [2021-06-17 13:07:53,298 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 762 DAG size of output: 801 [2021-06-17 13:07:55,830 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 760 DAG size of output: 1013 [2021-06-17 13:07:57,899 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 753 DAG size of output: 864 [2021-06-17 13:07:59,317 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 283 [2021-06-17 13:08:00,135 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 261 [2021-06-17 13:08:00,532 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 383 [2021-06-17 13:08:01,352 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 259 [2021-06-17 13:08:02,352 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 284 [2021-06-17 13:08:02,733 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 381 [2021-06-17 13:08:03,586 WARN L205 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 547 [2021-06-17 13:08:03,843 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 298 [2021-06-17 13:08:04,694 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 271 [2021-06-17 13:08:05,372 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2021-06-17 13:08:05,533 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 277 [2021-06-17 13:08:05,881 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 395 [2021-06-17 13:08:06,436 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 478 [2021-06-17 13:08:07,419 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 288 [2021-06-17 13:08:08,041 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2021-06-17 13:08:08,192 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 253 [2021-06-17 13:08:08,595 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 402 [2021-06-17 13:08:09,215 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 471 [2021-06-17 13:08:10,285 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 795 DAG size of output: 747 [2021-06-17 13:08:11,589 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 828 DAG size of output: 750 [2021-06-17 13:08:12,529 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 256 [2021-06-17 13:08:13,429 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 213 [2021-06-17 13:08:13,805 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 352 [2021-06-17 13:08:14,301 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 423 [2021-06-17 13:08:14,949 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 238 [2021-06-17 13:08:15,098 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 288 [2021-06-17 13:08:15,614 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 333 [2021-06-17 13:08:16,184 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 255 [2021-06-17 13:08:16,371 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 284 [2021-06-17 13:08:16,977 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 338 [2021-06-17 13:08:17,521 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 451 [2021-06-17 13:08:18,712 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 728 DAG size of output: 652 [2021-06-17 13:08:21,557 WARN L205 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1113 [2021-06-17 13:08:24,509 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 1618 DAG size of output: 1151 [2021-06-17 13:08:27,941 WARN L205 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 1690 DAG size of output: 1217 [2021-06-17 13:08:29,321 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 265 [2021-06-17 13:08:29,979 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 231 [2021-06-17 13:08:30,320 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 365 [2021-06-17 13:08:30,816 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 468 [2021-06-17 13:08:31,421 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 489 [2021-06-17 13:08:32,182 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 292 [2021-06-17 13:08:32,765 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 240 [2021-06-17 13:08:32,905 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 274 [2021-06-17 13:08:33,215 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 396 [2021-06-17 13:08:33,885 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 242 [2021-06-17 13:08:34,028 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 280 [2021-06-17 13:08:34,755 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 294 [2021-06-17 13:08:35,075 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 402 [2021-06-17 13:08:35,794 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 550 [2021-06-17 13:08:37,316 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 842 DAG size of output: 808 [2021-06-17 13:08:38,494 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 305 [2021-06-17 13:08:39,627 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 301 [2021-06-17 13:08:40,056 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 388 [2021-06-17 13:08:41,040 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 198 [2021-06-17 13:08:41,261 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 257 [2021-06-17 13:08:41,640 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 311 [2021-06-17 13:08:42,534 WARN L205 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 545 [2021-06-17 13:08:44,593 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 1181 DAG size of output: 920 [2021-06-17 13:08:47,029 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 1221 DAG size of output: 955 [2021-06-17 13:08:53,862 WARN L205 SmtUtils]: Spent 6.82 s on a formula simplification. DAG size of input: 2494 DAG size of output: 1879 [2021-06-17 13:09:02,680 WARN L205 SmtUtils]: Spent 8.80 s on a formula simplification. DAG size of input: 2870 DAG size of output: 2341 [2021-06-17 13:09:03,273 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 406 [2021-06-17 13:09:03,678 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 423 [2021-06-17 13:09:04,522 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 237 [2021-06-17 13:09:04,711 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 278 [2021-06-17 13:09:05,283 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 337 [2021-06-17 13:09:06,269 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 250 [2021-06-17 13:09:06,461 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 290 [2021-06-17 13:09:06,749 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 355 [2021-06-17 13:09:07,409 WARN L205 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 442 [2021-06-17 13:09:08,282 WARN L205 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 548 [2021-06-17 13:09:08,604 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 311 [2021-06-17 13:09:09,156 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 279 [2021-06-17 13:09:09,291 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 304 [2021-06-17 13:09:09,568 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 377 [2021-06-17 13:09:10,126 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 269 [2021-06-17 13:09:10,293 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 292 [2021-06-17 13:09:10,719 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 467 [2021-06-17 13:09:11,875 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 356 [2021-06-17 13:09:12,186 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 432 [2021-06-17 13:09:12,557 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 454 [2021-06-17 13:09:13,468 WARN L205 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 704 DAG size of output: 669 [2021-06-17 13:09:15,529 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 993 DAG size of output: 928 [2021-06-17 13:09:16,845 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 263 [2021-06-17 13:09:17,091 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 314 [2021-06-17 13:09:18,334 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 348 [2021-06-17 13:09:18,902 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 459 [2021-06-17 13:09:19,692 WARN L205 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 579 [2021-06-17 13:09:20,790 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 356 [2021-06-17 13:09:21,131 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 383 [2021-06-17 13:09:21,718 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 259 [2021-06-17 13:09:21,887 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 285 [2021-06-17 13:09:22,452 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 480 [2021-06-17 13:09:23,418 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 593 [2021-06-17 13:09:24,388 WARN L205 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 617 [2021-06-17 13:09:26,342 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 870 DAG size of output: 884 [2021-06-17 13:09:30,726 WARN L205 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 1534 DAG size of output: 1523 [2021-06-17 13:09:36,062 WARN L205 SmtUtils]: Spent 5.33 s on a formula simplification. DAG size of input: 1662 DAG size of output: 1666 [2021-06-17 13:09:37,097 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 254 [2021-06-17 13:09:37,357 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 330 [2021-06-17 13:09:37,752 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 415 [2021-06-17 13:09:38,755 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 260 [2021-06-17 13:09:39,033 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 329 [2021-06-17 13:09:39,433 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 422 [2021-06-17 13:09:40,420 WARN L205 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 559 [2021-06-17 13:09:46,504 WARN L205 SmtUtils]: Spent 6.08 s on a formula simplification. DAG size of input: 1894 DAG size of output: 1719 [2021-06-17 13:09:54,190 WARN L205 SmtUtils]: Spent 7.16 s on a formula simplification. DAG size of input: 2009 DAG size of output: 1825 [2021-06-17 13:09:54,939 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 467 [2021-06-17 13:09:55,755 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 263 [2021-06-17 13:09:56,229 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 219 [2021-06-17 13:09:56,545 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 338 [2021-06-17 13:09:57,193 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 445 [2021-06-17 13:09:58,151 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2021-06-17 13:09:58,629 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 223 [2021-06-17 13:09:58,966 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 345 [2021-06-17 13:09:59,465 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 466 [2021-06-17 13:10:00,542 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 692 DAG size of output: 688 [2021-06-17 13:10:00,799 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 272 [2021-06-17 13:10:01,322 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 272 [2021-06-17 13:10:01,530 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 327 [2021-06-17 13:10:02,123 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 391 [2021-06-17 13:10:02,612 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 241 [2021-06-17 13:10:02,738 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 277 [2021-06-17 13:10:03,371 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 328 [2021-06-17 13:10:03,667 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 392 [2021-06-17 13:10:04,317 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 542 [2021-06-17 13:10:04,578 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 279 [2021-06-17 13:10:05,234 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 330 [2021-06-17 13:10:05,711 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 243 [2021-06-17 13:10:06,034 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 394 [2021-06-17 13:10:06,204 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 274 [2021-06-17 13:10:06,749 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 274 [2021-06-17 13:10:06,958 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 329 [2021-06-17 13:10:07,554 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 395 [2021-06-17 13:10:08,217 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 546 [2021-06-17 13:10:09,691 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 816 DAG size of output: 763 [2021-06-17 13:10:12,724 WARN L205 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 1175 DAG size of output: 1122 [2021-06-17 13:10:12,945 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 302 [2021-06-17 13:10:13,837 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 255 [2021-06-17 13:10:14,093 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 319 [2021-06-17 13:10:15,062 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 242 [2021-06-17 13:10:15,324 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 322 [2021-06-17 13:10:15,933 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 500 [2021-06-17 13:10:16,118 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 300 [2021-06-17 13:10:16,224 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 288 [2021-06-17 13:10:16,682 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 299 [2021-06-17 13:10:17,161 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 238 [2021-06-17 13:10:17,416 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 291 [2021-06-17 13:10:17,786 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 361 [2021-06-17 13:10:18,249 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 204 [2021-06-17 13:10:18,720 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 240 [2021-06-17 13:10:18,986 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 320 [2021-06-17 13:10:19,693 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 515 [2021-06-17 13:10:21,206 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 700 DAG size of output: 716 [2021-06-17 13:10:25,852 WARN L205 SmtUtils]: Spent 4.64 s on a formula simplification. DAG size of input: 1678 DAG size of output: 1384 [2021-06-17 13:10:31,503 WARN L205 SmtUtils]: Spent 5.64 s on a formula simplification. DAG size of input: 1840 DAG size of output: 1603 [2021-06-17 13:10:38,092 WARN L205 SmtUtils]: Spent 6.58 s on a formula simplification. DAG size of input: 1907 DAG size of output: 1662 [2021-06-17 13:10:53,638 WARN L205 SmtUtils]: Spent 15.53 s on a formula simplification. DAG size of input: 3341 DAG size of output: 3040 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown